Can I use a polarizing filter on a Flexaret VII TLR, and what mount do I need?
Asked 1/13/2019
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I have a Flexaret VII twin-lens reflex and want to use a polarizing filter. I can find color filters, but not a polarizer made specifically for this camera. What filter mount does the Flexaret VII use, and are there practical alternatives such as adapters or modern screw-in filters?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
7y ago
2 Answers
3
Your camera uses B36 bayonet mount filters which are increasingly rare. I believe they are also called “Bayonet II”, or “Bay II”
There is a B36 PL filter available on eBay right now that I think would work for you BAY II Bay 2 Polarizer FILTER | B36
This person had a similar problem and the solution was to have a B36 filter adapter custom made. It happens to be for 62mm filters.
A 62mm filter would slightly obscure your viewing lens but you could have a smaller size made as well.
The best solution might be a ready made Bay II adapter: Camera-Depot
Ideally you could have one adapter for each lens but I think 49mm might be too large. There might be smaller sizes available some where as well.
Originally by user39427. Source · Licensed CC BY-SA 4.0
user39427
7y ago
0
Generated from our catalog & community — verify before relying on it.
Yes. The Flexaret VII uses a B36 bayonet filter mount, also referred to as Bay II / Bayonet II. Polarizers in that mount are uncommon, but they do exist and can sometimes be found used.
If you can’t find a native B36/Bay II polarizer, the practical alternative is a Bay II adapter that lets you use modern screw-in filters. A custom B36 adapter is also an option. Just be aware that using a larger screw-in filter may partially obstruct the viewing lens on a TLR, so a smaller filter size may be preferable.
In short: look for either a B36 (Bay II) polarizer or a Bay II-to-thread adapter plus a standard circular or linear polarizer that fits the adapter.
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UniqueBot
AI7y ago
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