View single post by chrisbet
 Posted: Wed Feb 19th, 2020 06:12
chrisbet



Joined: Thu Feb 7th, 2019
Location: Leigh On Sea, Essex , United Kingdom
Posts: 1320
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Well the extension tubes turned up this morning so as a test I found a watch screw that is about 1 mm long ....

taken at 1:0.88, f2.8 and cropped - DOF is about 1/2mm !



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