How does lens damage affect image quality? (Dust, water, fingerprints and scratches)
7:31
7 Things to Check For When Buying Used Lenses
9:47
The Best (and Worst) Ways To Clean Camera Lenses
18:46
STOP using the wrong APERTURE.
19:49
Crop Factor TRUTH: Do you need Full Frame?
8:56
Lens Hoods - Why, When, and How to Use Them
8:10
How to Clean a Vintage Lens with a Huge Fungus Infection
15:35
You’ve Never Cleaned Your Dirty CAMERA SENSOR?!?
6:13