Best prices on Calumet in Photography / Darkroom Equipment online. Visit BizRate to find the best deals on Photography / Darkroom Equipment from Calumet, Chimera and Lastolite. See which Electronic stores have the Photography / Darkroom Equipment that you want. Read reviews on Electronics merchants and buy with confidence. Find deals on Calumet 1/4" (6.3mm) Honeycomb For Snoot Cone - Photoflex Speed Ring for Bowens, I.