Posted: Tue Mar 20, 2012 2:54 pm Post subject: C mount adapter NEX wide enough for Tevidons |
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dickb wrote:
Most C mount to NEX adapters are too narrow for lenses like the C mount Tevidons to mount properly. I already found one adapter, an Optix C-NEX adapter that also has a m42 thread, but it was relatively expensive and I can't find it for sale anymore. I like having a spare adapter so I could use the Optix for another experiment. I ordered a few cheap C-NEX adapters that I thought might be wide enough. I've just received a C-mount to NEX adapter from Roxsen Click here to see on Ebay.de which took only 7 days to arrive in the Netherlands, and it does mount the Tevidons correctly.
Near mount diameter in mm:
39.0 No Name standard C mount adapter (some are even narrower)
40.8 Roxsen
41.0 Optix C/m42
To mount a c mount Tevidon you need at least 40.0mm.
I'll report about the other C-NEX adapters when they arrive. |