FTZ length - adds 80mm to the length?!

Started 3 months ago | Discussions thread
shuncheung Senior Member • Posts: 2,044
Re: FTZ length - adds 80mm to the length?!
7

Qbalion wrote:

Could you please confirm how long is F to Z adapter? Would it be possible it is as long as 80mm?!

The flange-to-sensor distance for the F mount is 46.5mm while that for the Z mount is 16mm. The FTZ fills the gap 46.5 - 16 = 30.5mm.

https://en.wikipedia.org/wiki/Flange_focal_distance

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