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…
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
How to take a photo with everything in focus with my DSLR - Quora
Is Canon's 70-200mm f2.8 lens worth $1K more than the f4 version? - Quora
My Journey from Analog to Digital Photography, by Chuck Haacker, Counter Arts
Camera Lenses: “Fast” vs. “Slow”. Does lens “speed” really matter that…, by Chuck Haacker, Counter Arts
Don't Leave Home Without It. 2023 update — little has changed since…, by Chuck Haacker, Full Frame
How to easily tell if a camera performs well in low light? Is there a specification I should look for - Quora
Why do so many standard lenses for digital camera systems have f/3.5-5.6? - Quora
Camera Lenses: “Fast” vs. “Slow”. Does lens “speed” really matter that…, by Chuck Haacker, Counter Arts
Don't Leave Home Without It. 2023 update — little has changed since…, by Chuck Haacker, Full Frame
Photographers, Synchronize Your Cameras, by Chuck Haacker, Counter Arts
Absolutism in Photography — Primes v. Zooms, by Chuck Haacker, Counter Arts
