Zeiss Touit 50mm f2.8 macro F/L clarification

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Paul Goelz Forum Member • Posts: 65
Zeiss Touit 50mm f2.8 macro F/L clarification

Got a question. This should be simple but I am reading conflicting / confusing descriptions of some macro lenses.

I have been using my 18-135 zoom on an a6500 with macro rings for insect shots and getting good results. However, I'm looking for an actual macro lens so I don't have to change rings if I want a different focus distance (like infinity). Since I'm currently using a zoom, I looked at the EXIF data in all my existing macro shots to see what might be a good compromise focal length. Many of my shots were around 70-100mm, which gave me an acceptable magnification and working distance.

The little 50mm Zeiss f2.8 Tuit caught my eye as a nice small lightweight package, at an attractive price on the used market. But I am unsure how to compare its stated 50mm focal length with the results I am getting using my 18-135 zoom and macro rings. The Zeiss is specifically stated to be a 50mm APS-C design (ie., not full frame), but I see multiple mentions in reviews of a 1.5X crop factor on an APS-C camera making it an equivalent 75mm lens. Is this correct? Or would its stated 50mm f/l give me the same magnification and working distance I would get with my APS-C 18-135mm zoom set to 50mm? If so, I'll try shooting for a while exclusively at 50mm and see if that f/l is long enough but I suspect that if it really is a 50mm equivalent on my a6500 that it is probably a little short.

Also, if anyone has this lens I would appreciate some words about your experience with it. I assume that since it is an internal focus design, the front does not extend? Is the focus mechanical or focus by wire? If mechanical, is the focus overly touchy close to infinity? Anything else I should know?

Paul

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