Category Archives: Tech Tips

photograph of 77mm UV filter held up to the sky © 2012 thorley. All rights reserved.

Are you using UV filters for the right reasons ? Such contrasty opinions and endless debate have inspired me to publish a comparison. You think twice about your filter choice.

An excellent follow up for this lens filter test would be to compare results using flash into the lens. The modelling lam used in the video has 150 watts and was placed less than a meter from the lens. It … Continue reading