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Old 9th July 2018
MikeOxon MikeOxon is offline
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Re: m4/3 lenses for IR

Originally Posted by Petrochemist View Post
............... it seems even my full spectrum converted model isn't sensitive to UV. So the difference won't be seen by the camera.

The glass types used for making most photographic lenses are, themselves, pretty opaque to UV. I've never really understood the need for a special filter, unless its cut-off extends into the short wavelength end of the visible spectrum, to reduce a blue cast in snow scenes.

I've started some experiments with the Schott WG and GG filters and will report on the results in another thread.
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