Customers most agreed on the following attributes:
Just buy it if you dont have one to protect your lense already! (From breakage or UV rays)
Be careful when you purchase this item. The description states that the filter is a sharp cut filter which in fact is not. These filters were discontinued by Canon a few years ago and are hard to come by. As I did, you'll be receiving the ordinary UV filter. The sharp cut filter is thinner and has better glass. Its made with stronger materials and worth the extra price if you can find it. Just a word of caution.
The Canon 77mm UV (Ultra Violet) Glass Filter (L-39 Sharp Cut) by Canon feels very high quality. Fits perfectly on my Canon 77mm Lens. No scratches or smear on the filter. My Canon 30D-shoot pictures just fine with no focus issue. The lens cap will snaps on top of the Canon’s filter for more protection.
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Tags: Using Product
Overall, this filter does what it was designed to do. It fit on the Canon lense well and the Canon lense cap fit into the filter well. (Which is a nice touch.) Overall, I am very happy with the purchase.