{"id":416,"date":"2021-05-13T19:36:04","date_gmt":"2021-05-13T17:36:04","guid":{"rendered":"http:\/\/www.dieferbers.de\/wordpress\/?p=416"},"modified":"2023-02-20T20:46:16","modified_gmt":"2023-02-20T19:46:16","slug":"could-not-resist-the-laowa-macro-2-5-5-0","status":"publish","type":"post","link":"http:\/\/www.dieferbers.de\/wordpress\/2021\/05\/13\/could-not-resist-the-laowa-macro-2-5-5-0\/","title":{"rendered":"Could not resist the Laowa  macro 2.5-5.0"},"content":{"rendered":"\n<p>&#8230; the final conclusion in my last macro article &#8222;finally, I will wait for the arrival of the Nikkor Z 105mm Micro S in 2021&#8220;. Hence, <a href=\"https:\/\/nikonrumors.com\/2021\/05\/02\/nikon-is-asleep-again.aspx\/\">Nikon did not release any new Z lens the last 7 months<\/a>! Even though the lens line-up is way behind Sony and Canon mirrorless &#8211; what a &#8222;\u00a7#*+&#8220;<\/p>\n\n\n\n<p>Since the <a href=\"https:\/\/www.photokina.com\/\">(very last) photokina 2019 show in K\u00f6ln<\/a> I was aware of Laowa&#8217;s exotic lens collection. At their booth I had a look but did not test any lens as I did not have the FTZ for my Nikon Z7 with me. But as there a great videos and articles about macro out there<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.allanwallsphotography.com\/blog\">Allan Walls great in depth blog and videos<\/a><\/li><li><a href=\"http:\/\/extreme-macro.co.uk\">Johan J Ingles-Le Nobel extreme macro learning site<\/a> <\/li><li><a href=\"https:\/\/ferdychristant.com\/my-journey-into-extreme-macro-8ddef548e9f3\">Ferdy Christant macro journey <\/a>&#8211; very similar to my <\/li><li><a href=\"https:\/\/www.renke-bienert.de\">Renke Bienert web page<\/a> and advise <\/li><li><a href=\"https:\/\/www.youtube.com\/channel\/UC1WO8hZv8OqLILMcXYY12iw\">Stewart Wood macro videos<\/a> &#8211; just <a href=\"https:\/\/youtu.be\/gK5lwQ0qtVw\">released his Laowa review<\/a><\/li><li><a href=\"https:\/\/www.newsshooter.com\/2021\/01\/25\/laowa-25mm-f-2-8-2-5-5x-ultra-macro-lens-review\/\">Matthew Allards test <\/a><\/li><\/ul>\n\n\n\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51139576255\/in\/album-72157712530452613\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51139576255_885068aa30_z.jpg\" alt=\"2021-04-25_18-54-36__DSC7892_DSC7918\" width=\"640\" height=\"408\" \/><\/a>\n<\/div><figcaption>29 stacked pictures with Laowa 25mm m=4.5 1\/200 f2.8 ISO100<\/figcaption><\/figure>\n\n\n\n<p>You can order your Laowa at their <a href=\"https:\/\/www.venuslens.net\">venus optics shop<\/a> in Hong-Kong or as I did here in <a href=\"https:\/\/www.laowa.de\/\">Germany via the distributor Brenner <\/a>and tested the Laowa 100mm macro and this Laowa 25mm in the <a href=\"https:\/\/www.photouniversal.de\/\">Photo Universal shop <\/a>under corona rules. Now, let&#8217;s start&#8230;<\/p>\n\n\n\n<!--more-->\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How much magnification?<\/h2>\n\n\n\n<p>I did my square counting test for measuring the real magnification in 6 different settings: directly mounted on Z7, mounted on bellow at minimum 48mm and maximum 208mm distance, at Laowa lens magnification minimum 2.5 and maximum 5.0.  <\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51176634318\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51176634318_d19ea74f38_z.jpg\" alt=\"2021-04-23_17-55-51__DSC7751.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51175733582\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51175733582_3942d19faa_z.jpg\" alt=\"2021-04-23_17-50-32__DSC7749.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51176002152\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51176002152_790910e81b_z.jpg\" alt=\"2021-04-23_17-49-05__DSC7748.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51176634658\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51176634658_39962a1287_z.jpg\" alt=\"2021-04-23_17-57-13__DSC7752.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51177502545\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51177502545_d343f299d9_z.jpg\" alt=\"2021-04-23_17-46-53__DSC7747.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51177502045\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51177502045_58751e50ac_z.jpg\" alt=\"2021-04-23_17-43-47__DSC7746.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-table aligncenter\"><table class=\"\"><tbody><tr><td><strong>Magnification<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>no bellows<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Nikon PB-6 bellow<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td><strong>Lens<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>@48mm<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>@208mm<\/strong><\/td><\/tr><tr><td>Laowa 25mm f2.8 m=2.5<\/td><td class=\"has-text-align-center\" data-align=\"center\">2.6<\/td><td class=\"has-text-align-center\" data-align=\"center\">4.6<\/td><td class=\"has-text-align-center\" data-align=\"center\">11.2<\/td><\/tr><tr><td>Laowa 25mm f2.8 m=5.0<\/td><td class=\"has-text-align-center\" data-align=\"center\">4.8<\/td><td class=\"has-text-align-center\" data-align=\"center\">6.8<\/td><td class=\"has-text-align-center\" data-align=\"center\">13.4<\/td><\/tr><tr><td><em>compared to <\/em><\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td>Nikkor 50mm f1.8D min focus<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.2<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.1<\/td><td class=\"has-text-align-center\" data-align=\"center\">4.3<\/td><\/tr><tr><td>Nikkor 105mm f2.8 min focus<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.0<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.7<\/td><td class=\"has-text-align-center\" data-align=\"center\">4.0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Although the Laowa does not reach the 5.0 magnification, it shows enough details with 4.8 and reaches up to incredible 13.4 on the bellows. How useful this is I will test later, but getting enough light will be a challenge.  <\/p>\n\n\n\n<p>The distance between sensor and the front of lens is 155mm at 1:2.5 and extends to 210mm at 1:5.0. The distance between lens and object is between 40-45mm in all cases and therefore, there is enough space for light positioning.<\/p>\n\n\n\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51211077368\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51211077368_c958498383_z.jpg\" alt=\"2021-05-19_21-35-40__DSC8354-DSC8375_helicon-B-8-4\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><figcaption>37 pictures stacked 1\/200 f4 ISO100<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How much DoF?<\/h2>\n\n\n\n<p>The next natural question is, which aperture is appropriate for which situation. I observed defraction with m=2.5 at f8 and above, with m=5.0 it starts already at f5.6. But sharpness is a wicked thing here. The following test will show how subjective measurements can get. I used a ruler with 0.25mm resolution to estimate DoF<\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:0%\">\n<p>f<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<p class=\"has-text-align-center\">m=2.5<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<p class=\"has-text-align-center\">m=5.0<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-4 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:0%\">\n<p>2.8<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51177504050\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51177504050_83f95481ac_z.jpg\" alt=\"2021-05-09_18-20-54__DSC8187.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51176416441\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51176416441_16a6973a8e_z.jpg\" alt=\"2021-05-09_18-27-53__DSC8196.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-5 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:0%\">\n<p>4.0<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51176414786\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51176414786_e74c492277_z.jpg\" alt=\"2021-05-09_18-21-37__DSC8188.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51175737217\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51175737217_a649702dc4_z.jpg\" alt=\"2021-05-09_18-28-33__DSC8197.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-6 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:0%\">\n<p>5.6<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51176635583\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51176635583_c994e436f8_z.jpg\" alt=\"2021-05-09_18-22-03__DSC8189.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51175737537\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51175737537_d870d6edac_z.jpg\" alt=\"2021-05-09_18-28-39__DSC8198.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:0%\">\n<p>8<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51176415296\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51176415296_a278fe0fa3_z.jpg\" alt=\"2021-05-09_18-22-09__DSC8190.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51177506995\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51177506995_e6c05cc88f_z.jpg\" alt=\"2021-05-09_18-28-44__DSC8199.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:0%\">\n<p>11<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51177202259\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51177202259_30f36bed18_z.jpg\" alt=\"2021-05-09_18-22-14__DSC8191.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51176417561\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51176417561_bdee30cccc_z.jpg\" alt=\"2021-05-09_18-28-48__DSC8200.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:0%\">\n<p>16<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51175736277\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51175736277_bc6a963c92_z.jpg\" alt=\"2021-05-09_18-22-24__DSC8192.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51177204509\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51177204509_26ce9b0929_z.jpg\" alt=\"2021-05-09_18-28-54__DSC8201.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-10 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:0%\">\n<p>18<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51176416171\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51176416171_d89f6ac951_z.jpg\" alt=\"2021-05-09_18-23-02__DSC8193.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-embed-flickr wp-block-embed is-type-photo is-provider-flickr\"><div class=\"wp-block-embed__wrapper\">\n<a href=\"https:\/\/www.flickr.com\/photos\/stefferber\/51176638728\/in\/album-72157714670430956\/\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/live.staticflickr.com\/65535\/51176638728_8b60c873d6_z.jpg\" alt=\"2021-05-09_18-29-15__DSC8202.jpg\" width=\"640\" height=\"427\" \/><\/a>\n<\/div><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p>Measuring the real Depth-of-Field (DoF) from the above pictures is not straight forward, as I positioned the rule 45\u00b0 from the lens plane. To calculate the DoF <strong>a <\/strong>we need to correct the measured distance <strong>c<\/strong> with <strong>cos 45\u00b0<\/strong> as depicted in the chart<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"897\" src=\"http:\/\/www.dieferbers.de\/wordpress\/wp-content\/uploads\/2021\/05\/cosinus-1024x897.png\" alt=\"\" class=\"wp-image-434\" srcset=\"http:\/\/www.dieferbers.de\/wordpress\/wp-content\/uploads\/2021\/05\/cosinus-1024x897.png 1024w, http:\/\/www.dieferbers.de\/wordpress\/wp-content\/uploads\/2021\/05\/cosinus-300x263.png 300w, http:\/\/www.dieferbers.de\/wordpress\/wp-content\/uploads\/2021\/05\/cosinus-768x673.png 768w, http:\/\/www.dieferbers.de\/wordpress\/wp-content\/uploads\/2021\/05\/cosinus-1536x1346.png 1536w, http:\/\/www.dieferbers.de\/wordpress\/wp-content\/uploads\/2021\/05\/cosinus-2048x1794.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>and compare this to the theoretical DoF  <a href=\"https:\/\/zerenesystems.com\/cms\/stacker\/docs\/tables\/macromicrodof\">calculated based on Zerene table and formula<\/a> without considering diffraction.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>f <\/strong><br><strong>@ m=2.5<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>f<br>effective<\/strong><\/td><td class=\"has-text-align-right\" data-align=\"right\"><strong>c<\/strong><\/td><td class=\"has-text-align-right\" data-align=\"right\"><strong>DoF<br>measured<\/strong><\/td><td class=\"has-text-align-right\" data-align=\"right\"><strong>DoF<\/strong><br><strong>Laowa<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">2.8<\/td><td class=\"has-text-align-center\" data-align=\"center\">9.8<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.250<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.177<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.090<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">4.0<\/td><td class=\"has-text-align-center\" data-align=\"center\">14<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.500<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.354<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.129<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">5.6<\/td><td class=\"has-text-align-center\" data-align=\"center\">19.6<\/td><td class=\"has-text-align-right\" data-align=\"right\">1.000<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.707<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.180<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">8<\/td><td class=\"has-text-align-center\" data-align=\"center\">28<\/td><td class=\"has-text-align-right\" data-align=\"right\">1.000<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.707<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.257<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">11<\/td><td class=\"has-text-align-center\" data-align=\"center\">38,5<\/td><td class=\"has-text-align-right\" data-align=\"right\">1.000<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.707<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.354<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">16<\/td><td class=\"has-text-align-center\" data-align=\"center\">56<\/td><td class=\"has-text-align-right\" data-align=\"right\">1.500<\/td><td class=\"has-text-align-right\" data-align=\"right\">1.061<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.514<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">18<\/td><td class=\"has-text-align-center\" data-align=\"center\">63<\/td><td class=\"has-text-align-right\" data-align=\"right\">1.750<\/td><td class=\"has-text-align-right\" data-align=\"right\">1.237<\/td><td class=\"has-text-align-right\" data-align=\"right\">&#8211;<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-right\" data-align=\"right\"><\/td><td class=\"has-text-align-right\" data-align=\"right\"><\/td><td class=\"has-text-align-right\" data-align=\"right\"><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"\"><tbody><tr><td><strong>f @ m=5.0<\/strong><\/td><td class=\"has-text-align-right\" data-align=\"right\"><strong>c<\/strong><\/td><td class=\"has-text-align-right\" data-align=\"right\"><strong>DoF<br>measured<\/strong><\/td><td class=\"has-text-align-right\" data-align=\"right\"><strong>DOF<br>Laowa<\/strong><\/td><\/tr><tr><td>2.8<\/td><td class=\"has-text-align-right\" data-align=\"right\">&lt;0.250<\/td><td class=\"has-text-align-right\" data-align=\"right\">&lt;0.177<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.050<\/td><\/tr><tr><td>4.0<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.250<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.177<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.071<\/td><\/tr><tr><td>5.6<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.500<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.354<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.100<\/td><\/tr><tr><td>8<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.500<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.354<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.143<\/td><\/tr><tr><td>11<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.750<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.530<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.196<\/td><\/tr><tr><td>16<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.750<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.530<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.286<\/td><\/tr><tr><td>18<\/td><td class=\"has-text-align-right\" data-align=\"right\">1.000<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.707<\/td><td class=\"has-text-align-right\" data-align=\"right\">&#8211;<\/td><\/tr><tr><td><\/td><td class=\"has-text-align-right\" data-align=\"right\"><\/td><td class=\"has-text-align-right\" data-align=\"right\"><\/td><td class=\"has-text-align-right\" data-align=\"right\"><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Looks like I am too optimistic with DoF wide open. The photo stacking distance will show how much DoF is required to get sharp results.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>&lt;more to come &#8211; next weekend ;-)&gt;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8230; the final conclusion in my last macro article &#8222;finally, I will wait for the arrival of the Nikkor Z 105mm Micro S in 2021&#8220;. Hence, Nikon did not release any new Z lens the last 7 months! Even though the lens line-up is way behind Sony and Canon mirrorless &#8211; what a &#8222;\u00a7#*+&#8220; Since &hellip; <a href=\"http:\/\/www.dieferbers.de\/wordpress\/2021\/05\/13\/could-not-resist-the-laowa-macro-2-5-5-0\/\" class=\"more-link\"><span class=\"screen-reader-text\">Could not resist the Laowa  macro 2.5-5.0<\/span> weiterlesen<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-416","post","type-post","status-publish","format-standard","hentry","category-photography"],"_links":{"self":[{"href":"http:\/\/www.dieferbers.de\/wordpress\/wp-json\/wp\/v2\/posts\/416","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.dieferbers.de\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.dieferbers.de\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.dieferbers.de\/wordpress\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.dieferbers.de\/wordpress\/wp-json\/wp\/v2\/comments?post=416"}],"version-history":[{"count":24,"href":"http:\/\/www.dieferbers.de\/wordpress\/wp-json\/wp\/v2\/posts\/416\/revisions"}],"predecessor-version":[{"id":563,"href":"http:\/\/www.dieferbers.de\/wordpress\/wp-json\/wp\/v2\/posts\/416\/revisions\/563"}],"wp:attachment":[{"href":"http:\/\/www.dieferbers.de\/wordpress\/wp-json\/wp\/v2\/media?parent=416"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.dieferbers.de\/wordpress\/wp-json\/wp\/v2\/categories?post=416"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.dieferbers.de\/wordpress\/wp-json\/wp\/v2\/tags?post=416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}