Quote Originally Posted by neuroanatomist


I'm doubtful that a UV filter would fix a bluish cast. That would probably be true for film, but dSLR sensors are basically insensitive to UV wavelengths, so a UV filter is functionally equivalent to a clear protection filter (but UV filters are often slightly cheaper than their clear equivalent and also usually more widely available).
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Thanks for this John, this sort of tech detail helps. I've read the B&amp;H reviews and it is just more confusing.


I have just orgainsed a lend of a 100-400 and a 400, so I will have a play over the next week. See which one suits me.