Canon Filter Protect 77mm

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  • Interferes with the autofocus, slight loss in sharpness  

    Canon Filter, Protect Filter 77mm (optional)
    For high-quality lenses to screw a protective filter is recommended on a regular basis. Often, a skylight is used, because the influence of the picture is low and (allegedly) interfering UV shares are filtered. Who once the camera or a valuable lens
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  • easier Backfocus  

    Canon Filter, Protect Filter 77mm (optional)
    I bought this filter for my Canon 2.8 / 70-200 IS II and unfortunately had to notice a decline in image quality. I've done several tests without filters, with a Hoya and this Canon. With the Canon filter I had a slight back focus and image quality (s
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  • Dust brake  

    Canon Filter, Protect Filter 77mm (optional)
    Have the filter dust as brake for my Canon 17-55 2.8 IS USM. Subjectively, I sometimes have a feeling that's not quite as accurate in the low mass of the AF with the filter on the lens. Handling makes no problems.
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