Camera Lenses: “Fast” vs. “Slow”. Does lens “speed” really matter that…, by Chuck Haacker, Counter Arts

A lens’s adjustable aperture — its iris diaphragm — controls the amount of light coming through the lens over time (controlled by the shutter). The wider its maximum opening, the “faster” any lens is…

Which is more important on a digital camera, more megapixels or better lenses? - Quora

So is a Smartphone a Real Camera?, by Chuck Haacker, Counter Arts

Hand-held Light Meters in the Digital Age, by Chuck Haacker, Counter Arts

The Secret Language of Photography, by Chuck Haacker, Counter Arts

Can a slower lens perform as well as a fast lens at the same f-stop? - Quora

Camera Lenses: “Fast” vs. “Slow”. Does lens “speed” really matter that…, by Chuck Haacker, Counter Arts

Barbie, Chanteuse. And Now for Something New and Entirely…, by Chuck Haacker, Counter Arts

Old Photographers Never Die — They Just Lose Their Eyesight, by Chuck Haacker, Counter Arts

Reviewing the Raynox DCR-250 Supplemental Macro Lens, by Chuck Haacker, Counter Arts

The Benton Museum of Art at Pomona College - Irvine Ranch 1968

Absolutism in Photography — Primes v. Zooms, by Chuck Haacker, Counter Arts

This is Why I Always Use Autofocus, by Chuck Haacker, Counter Arts

Hand-held Light Meters in the Digital Age, by Chuck Haacker, Counter Arts