Sigma 46mm Drop-in Multi-Coated Normal Rear UV Filter for APO Telephoto Lenses, Sigma 46mm Drop-in Multi-Coated Normal Rear UV Filter for APO Telephoto Lenses,S

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Sigma 46mm Drop-In Multi-Coated Normal Rear UV Filter - Plastic Filter Case - Sigma 1 Year Limited Warranty
Compatibility: APO Telephoto Lenses
Filter Factor: 1 (0 Stop)
Shape: Circle
Circular Size: 46mm

Brands:

Sigma

Product Code:

B01EY5MN38

Availability:

In Stock

Comprises UV filters, which reduce ultraviolet light.

Product information Product Dimensions 0.39 x 5.91 x 5.91 inches Item Weight 0.704 ounces ASIN B01EY5MN38 Item model number A00531

I bought a Sigma 300 mm lens and this item was missing. I've tested the lens with this in place and it appears to improve focus.