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Has anyone tried adding a filter holder to lens adapters?

Started Dec 31, 2018 | Questions thread
hindesite Veteran Member • Posts: 4,893
Re: No, but trivial to do with 3D printing

ProfHankD wrote:

SmoothOperator wrote:

Gato Amarillo wrote:

Since we're mainly adapting to mirroless cameras which focus from the sensor image focus shift should be accounted for and not be a problem - the one problem being if the shift prevented the lens reaching infinity focus.

Gato

The adapter should take that into account, drop-in filters in telephotos are included as part of the optical formula.

As I said in my post that started this sequence,

if the adapter is designed to have a filter with a specific optical thickness, you'd need one even for clear to keep the same rear focus distance, which would still degrade IQ a bit.

In practical terms, I've never noticed this with m4/3 - I have several long telephoto lenses (500 and 800) with rear filters, and all will achieve infinity focus with room to spare with and without out any filters on any adapter combination I've used.

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