Please help me diagnose a lens issue
Please help me diagnose a lens issue Hello, I'm seeing some blurriness on the right side of this lens that I just got from MPB. It's a Sigma 10-20mm f/4-5.6D EX DC HSM on a D3400. I bought it in Excellent condition with no issues. Please excuse my messy back yard. I was taking some test shots after noticing some consistent right side blurriness from this lens. This one was at 15mm,...