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The Olympus PRF-ZD77 Pro Lens Filter is a 77mm protection filter especially suited for the M.Zuiko Digital ED 300mm f/4.0 IS PRO. To reduce flares and ghosts due to reflections, Zero Coating is used in addition to black-edged glass, and a satin finish on the black alunite/aluminium frame removes glossiness to prevent unwanted reflections.
Key Features of the Olympus PRF-ZD77 Pro Lens Filter
ZERO Coating
The Zuiko Extra-low Reflection Optical, or ZERO, coating features a thin-coating technology works to produce a clear and high contrast image due to reduced reflection on its surface. The coating also benefits from the vacuum deposition method to prevent scratches to ensure stable low-reflective performance.
Construction
The optical glass filter is set within a one-piece matte black anodized aluminium ring, which lessens the likelihood of vignetting if used on a wide-angle lens. There is also a black coating on the glass edge to reduce reflections. Knurling can be found on the frame that makes the filter easy to attach and remove. Additionally, the ring features front threads for attaching additional filters or lens caps.
The Olympus PRF-ZD77 Pro Lens Filter is a 77mm protection filter especially suited for the M.Zuiko Digital ED 300mm f/4.0 IS PRO. To reduce flares and ghosts due to reflections, Zero Coating is used in addition to black-edged glass, and a satin finish on the black alunite/aluminium frame removes glossiness to prevent unwanted reflections.
Key Features of the Olympus PRF-ZD77 Pro Lens Filter
ZERO Coating
The Zuiko Extra-low Reflection Optical, or ZERO, coating features a thin-coating technology works to produce a clear and high contrast image due to reduced reflection on its surface. The coating also benefits from the vacuum deposition method to prevent scratches to ensure stable low-reflective performance.
Construction
The optical glass filter is set within a one-piece matte black anodized aluminium ring, which lessens the likelihood of vignetting if used on a wide-angle lens. There is also a black coating on the glass edge to reduce reflections. Knurling can be found on the frame that makes the filter easy to attach and remove. Additionally, the ring features front threads for attaching additional filters or lens caps.
Filter Type | Clear |
---|---|
Filter Size | 77mm |
Filter Factor | 1 (0 stop) |
Multi-Coated | ZERO coating |
Effect | Protects front element of lens |
Construction | Optical glass Aluminum filter ring |
Front Filter Thread | 77mm |
Front Lens Cap Size | 77mm |