How to make an adapter that is effectively a 40.5mm - 77mm & 40.5 - 52mm step-up ring in one. Great for mounting a 77mm lens hood that encloses the filters. [...]
Tags: Stepping Ring Posted in Photography Tutorials | 2 Comments » Last updated 2015/01/04 by Dave Kennard
A review of three Zomei Infrared filters - 680nm, 760nm, and 850nm, and how they compare to various other infrared filters. [...]
Tags: Hitech 85 Infrared filter, Hoya 25A Red HMC filter, Infrared Photography, Lee Infrared Polyester Filter, Zomei Posted in Reviews and info | 13 Comments » Last updated 2015/04/13 by Dave Kennard