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…

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

What is the difference between a fast and a slow lens? - Quora

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

What camera is better than the P1000? - Quora

That is good information!. The focal length for creating more DOF…, by Chuck Haacker

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

Understanding Perspective “Distortion” in Photography, by Chuck Haacker, Counter Arts, Jan, 2024

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

Why Camera Gear Matters — Maybe.. Dietrich Ruehlmann writes that camera…, by Chuck Haacker, Counter Arts

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How well do old manual focus lenses work on your mirrorless camera? - Quora

At what shutter speed do you need image stabilization? - Quora

Light Emitting Diodes (LEDs) in Photography, by Chuck Haacker

Why do smartphone cameras stick out? - Quora

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