How to find filter size of lens?

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abruzzi

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Any store that sells digital SLRs with interchangeable lenses will have a good supply of filters in many sizes (I don't know if that's a "real camera store," rather electronics/photo). I don't think you need to go to B&H to find a filter selection. Maybe a larger city, though...

Not really. Like I said, Best Buy is the only cameras store in my city of 200k, they sell basic low end DSLRs but I've never seen filters there. I looked online, filtered by in-stock at my local Best Buy, and they list 3 UV and one CPL in the following sizes: 52, 58 (the CPL), 72, and 77. Thats not a very useful selection for testing size.
 

eli griggs

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Buy gels, like the Kodak Wratten 50mm, 75mm or 100mm sizes, with Kodak metal filter frames and, using inexpensive hole saws and .5" or 12.7 mm thick hobby artic birch plywood, cut out a center out of the plywood, either, inside a square, hexagon or circle shaped section.

Add a few, small super magnets, such as the pin like 1/8th inch by 1/4 inch sized type, and place these evenly around the lens side of the interior of the camera, to gently hold it wood form to the barrel.

Take some 1/4 inch super magnets and place them on the back side of the wood fixture, in an arrangement that will allow a Kodak metal filter holder to 'snap' into place, when a filter is called for.

The advantages of an interior mounted gel filter are for others to relate to you, but you can use larger gel filters for several of your lenses, instead of bothering with buying glass or plastic filters for each size optic.

IMO, this is the simplest setup that will work for view cameras and if you do no use wood, you can layer matboard or foam boards to make a wood free version
 
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