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<blockquote data-quote="Clovishound" data-source="post: 825567" data-attributes="member: 50197">Another issue is that at extremely high magnification, depth of field becomes razor thin. Even with small apertures, it is going to be challenging. If you don't go the bellows route a focusing rail may help. If image quality is a priority, I would look at a prime lens vs a zoom kit lens. Also longer focal length lenses require subsequently longer extension. A rule of thumb is to achieve 1:1 magnification with a non macro lens, use extension equal to the focal length. IE, a 100mm lens will require around 100mm of extension to achieve 1:1, but a 50mm lens will only need 50mm of extension. You might want to look at some microphotography setups. Here is one:<a href="https://www.instructables.com/DSLR-Microphotography/" target="_blank">DSLR Microphotography</a>A little research on the web about the subject should give you some ideas and options.</blockquote>

[QUOTE="Clovishound, post: 825567, member: 50197"] Another issue is that at extremely high magnification, depth of field becomes razor thin. Even with small apertures, it is going to be challenging. If you don't go the bellows route a focusing rail may help. If image quality is a priority, I would look at a prime lens vs a zoom kit lens. Also longer focal length lenses require subsequently longer extension. A rule of thumb is to achieve 1:1 magnification with a non macro lens, use extension equal to the focal length. IE, a 100mm lens will require around 100mm of extension to achieve 1:1, but a 50mm lens will only need 50mm of extension. You might want to look at some microphotography setups. Here is one: [URL='https://www.instructables.com/DSLR-Microphotography/']DSLR Microphotography[/URL] A little research on the web about the subject should give you some ideas and options. [/QUOTE]

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