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Has anyone tried adding a filter holder to lens adapters?

Started Dec 31, 2018 | Questions thread
ProfHankD
ProfHankD Veteran Member • Posts: 9,147
No, but trivial to do with 3D printing

petrochemist wrote:

I've recently seen several lens adapters with built in ND filters.

Haven't tried it, but it would take no more than an hour or two to insert a filter mount or filter tray in any of my 3D-printed adapters.

Of course, filter thickness will degrade optical quality.

Honestly, I haven't found filters all that useful with digital cameras except for special purposes. I suppose a polarizer might be worthwhile... but 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.

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