Crop Factor with ISO & Aperture: How Sony, Olympus & Panasonic Cheat You

Here’s my PSA for today – if you buy one of those small sensor mirror less digital cameras or any other crop factor sensor camera then you really need to pay attention to the math & logic in this video before you buy any expensive lenses. If you don’t you can get really screwed.

Crop Factor with ISO & Aperture: How Sony, Olympus & Panasonic Cheat You – YouTube.