Reconciling the Thick Lens Model with P2P Optical Bench

Started 2 months ago | Discussions thread
OP Garry2306 Regular Member • Posts: 108
Re: Reconciling the Thick Lens Model with P2P Optical Bench

Mark Scott Abeln wrote:

It's not just macro photography.

Internal focus lenses—from what I understand—change in focal length with focus, even for non-macro photography. In some lenses this effect is quite strong, even for portrait photography, and is quite obvious.

Mark

Yes I understand that, what I was trying to do was to see if I could get a ‘better’ match between the split, thick lens model and the ‘CAD model’. 
As I said, I stick with what I’ve got

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