What's problem with brand new lenses ? ballon or dust inside
Is this amount of internal dust enough to have an effect on photos? It's visible clearly through the aperture from both sides of the lens. : r/AskPhotography
that 'SPECK' of dust inside the glass of your lens. -- Canon Lenses in photography-on-the.net forums
How to Clean Dust inside Lens: Complete Guide
Dust or air bubbles inside lens (with picture) - PentaxForums.com
Speck of dust inside RF 24-105mm F4 L IS USM purches on 05/2020 which is now out of warranty by 3 months. Is there anything I can do? I have barely used
Dust inside my 27mm | FujiX-Forum
Dust in zoom lens: Beginners Questions Forum: Digital Photography Review
The Effect of Dust on Lens Bokeh
What is Camera Lens Fungus? (And How to Get Rid of It)
Dust Particles Inside Camera Lens Closeup Shot with Selective Focus and Blur. Stock Photo - Image of element, macro: 153313980
The Flashlight Test
repair - Is this lens fungus or just a speck of dust? - Photography Stack Exchange