Are reverse lens mounts only for use with prime lenses? I was wondering if I could use my zoom lens with a reverse mount.
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2\$\begingroup\$ Hi Sahan — welcome to the site. No need to apologize for questions like this — they're exactly what the site is for. You may find, though, that an existing question already has the answer you're looking for (although perhaps phrased differently). In this case, take a look at photo.stackexchange.com/questions/10401/… — does that help? \$\endgroup\$– mattdmCommented Apr 16, 2011 at 19:04
2 Answers
From a mechanical viewpoint, you can reverse a zoom just as well as a prime -- you're using the lens' filter ring, so the type of lens makes little difference.
From an optical viewpoint, at least when I've tried it the results didn't impress me much. In fairness, however, reversing lenses tends to be a bit hit or miss, so I might have just had rather bad luck.
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\$\begingroup\$ The filter mount on some zooms rotates, right? Would that present an issue with reverse mounting? \$\endgroup\$– SeanCommented Apr 16, 2011 at 21:42
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\$\begingroup\$ Yes, on quite a few. At least when I tried it, that wasn't much of an issue though. \$\endgroup\$ Commented Apr 16, 2011 at 21:45
Reverse mount are intended for the filter thread of a lens. With that in mind, it is clear that you can mount a zoom lens as well as a prime, reversed on the mount (as long as it has the matching filter diameter, of course). Note that there are rings that let you mount a lens onto the body mount (say EF mount for Canon), and rings that will let you mount a reversed lens to the filter ring of a straight mounted lens.