Comments on: Your dSLR’s Automatic Diaphragm: Understanding how it works https://alphatracks.com/dslr-photography-basics/auto-diaphragm/ Sony and Minolta SLR Weblog Fri, 13 May 2022 20:57:03 +0000 hourly 1 https://wordpress.org/?v=6.7.2 By: Lenses: How to tell an A-Mount and Rokkor Lens Apart | Alphatracks https://alphatracks.com/dslr-photography-basics/auto-diaphragm/#comment-6236 Fri, 17 Dec 2010 13:14:52 +0000 http://alphatracks.com/dslr-photography-basics/auto-diaphragm/#comment-6236 […] last difference between the A-mount and the a Rokkor lenses is the mechanical automatic diaphragm mechanism. On the Rokkor optics, the auto-diaphragm is controlled by a cylindrical post that […]

]]> By: Your SLR Camera’s Automatic Diaphragm - The Facts You Need to Know | SLR Camera CA https://alphatracks.com/dslr-photography-basics/auto-diaphragm/#comment-6235 Thu, 30 Jul 2009 17:45:27 +0000 http://alphatracks.com/dslr-photography-basics/auto-diaphragm/#comment-6235 […] Visit the basic photography area at Alphatracks.com to see photos and information detailing how the auto diaphragm operates. […]

]]> By: Sony Alpha: inexpensive lenses with a M42 adapter | Alphatracks https://alphatracks.com/dslr-photography-basics/auto-diaphragm/#comment-6234 Tue, 05 May 2009 04:40:23 +0000 http://alphatracks.com/dslr-photography-basics/auto-diaphragm/#comment-6234 […] Not having an automatic diaphragm is more troubling. On the other hand, I am using my M42 lens when I want a fast telephoto. This means when I use this lens, I am nearly always shooting wide open. This negates any concern about the auto diaphragm, since the lens is usually open to the maximum aperture. […]

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