Do scratches on your lens affect performance? Barely, says Lensrentals, but keep your glass protected: Digital Photography Review
Help: Will these scratches in the lens affect the image quality or anything else? If yes, what and how much? : r/canon
How Much Does a Scratch Affect the Quality of a Lens? | PetaPixel
Lens front element scratch, What do I do?: Canon SLR Lens Talk Forum: Digital Photography Review
Lens Rentals | Blog
Markus Keinath - Photo Lens Scratch Repair
Torture Test: Do Small Scratches in Lenses Prevent Sharp Images? We Gouge a Zoom to Find Out | Shutterbug
I forgot to put lens protector on my new camera lenses. My lenses are full of scratches and spots. How do I get rid of them? - Quora
I DESTROYED this lens. Will it still work?! | Scratched Lens Test - YouTube
Lens Rentals | Blog
Anything to do for a scratched lens? - PentaxForums.com
17-55 front element replaced!: Canon SLR Lens Talk Forum: Digital Photography Review
Anything to do for a scratched lens? - PentaxForums.com
image quality - Lens with small scratches on the front element - how do they affect IQ? - Photography Stack Exchange
How Much Does a Scratch Affect the Quality of a Lens? | PetaPixel
Spots and scratches in an old lens... - PentaxForums.com
equipment damage - Will many tiny scratches on lens front element affect my photos? - Photography Stack Exchange
EEEK! Scratched front element!: Canon SLR Lens Talk Forum: Digital Photography Review
Lens Scratch, Disaster or No Big Deal? - Canon Community
How Badly Do You Have to Damage a Lens Before It's Too Damaged to Use? | Fstoppers
The Flashlight Test
Markus Keinath - Photo Lens Scratch Repair
Does a Dirty Lens Affect Image Quality? Fungus, Scratches, Haze & More! – Kamerastore
question for lens experts (scratch front element): Fujifilm X System / SLR Talk Forum: Digital Photography Review
