Quote:
Originally Posted by Saturn488
I have a crop sensor and clip in would be handy as I don’t see how you can attach a 2” filter on a 135mm lens. I’ve read that you can use step down threads but that can cause vignetting so clip in would be the way to go.
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Which make and model of 135mm lens do you have? What is its front filter thread diameter? It is possible that something MIGHT be possible without too much compromise depending on your lens aperture.
Depending on the lens performance you may even like the lens stopped down a little. In that case the restricted circular aperture offered by front mounted filters would be better than stopping down the lens via its normal aperture blades as there would be no attendant diffraction spikes induced by the aperture blades of your lens if stopped down.
Best
JA