Tags Posts tagged with "lens focal length"

Tag: lens focal length

Sigma Lens Workshops Provide Education & Inspiration to Local Photo Communities

Ronkonkoma, NY—Sigma Corporation of America launched the Sigma Lens Workshops initiative last month. The program is held in collaboration with Sigma dealers around the...

Hoya Solas NDX Variable Neutral Density Filter

Las Vegas, NV—The engineers at Hoya developed a premium variable neutral density filter that’s engineered to be sharp, glare-free and maintain consistent color throughout...

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