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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…
How well do old manual focus lenses work on your mirrorless camera? - Quora
Absolutism in Photography — Primes v. Zooms, by Chuck Haacker, Counter Arts
Camera Lenses: “Fast” vs. “Slow”. Does lens “speed” really matter that…, by Chuck Haacker, Counter Arts
Light Emitting Diodes (LEDs) in Photography, by Chuck Haacker
How to take a photo with everything in focus with my DSLR - Quora
Why do smartphone cameras stick out? - Quora
Camera Lenses: “Fast” vs. “Slow”. Does lens “speed” really matter that…, by Chuck Haacker, Counter Arts
So is a Smartphone a Real Camera?, by Chuck Haacker, Counter Arts
Why Camera Gear Matters — Maybe.. Dietrich Ruehlmann writes that camera…, by Chuck Haacker, Counter Arts
Can a slower lens perform as well as a fast lens at the same f-stop? - Quora
How much does a good camera cost? It starts from $200 and goes way up. Does MP matter? I don't have a big budget. Suggest a camera around $500. I like to
Camera Lenses: “Fast” vs. “Slow”. Does lens “speed” really matter that…, by Chuck Haacker, Counter Arts
How many cameras should you take when traveling? - Quora
Photography Has Nothing to do with Cameras.” — Lucas Gentry, by Chuck Haacker, Counter Arts