Sigma 70mm f/2.8 Macro L-Mount working distance?

[Elliot Harper]

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I saw a good deal of this lens and want to try it out on my SL2-S to scan the film negatives.

My current setting for scanning is a Nikon Zf with an F to Z adapted 60mm Micro lens using ES-2 kit.

I am thinking what the working distance is for Sigma lens, that is the lens front side to the subject when on magnification 1:1. I did some research and calculation, it seems to be in the range of 10-15cm. I measured ES-2 tubes, it's about 8-10cm so I am 5cm short in worst case scenario.

The ES-2 is having 62mm thread, and Sigma lens is 49mm filter size. So I am thinking if I can use bunch of step-up and then step-down rings to extend tube size, or I need to buy a Macro extension tube.

Has anyone tried Multi-shot function in SL2-S to scan the films? Getting 96 mega pixels is really interesting, but is it useful for negative scanning?

Thanks in advance.

Edited March 24 by Elliot Harper

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