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Characterized by its uniquely durable construction, the 95mm WR Ceramic Protector Filter from Sigma is a clear filter designed to guard the front of a lens from impacts, scratching, and other elements.

Able to absorb ultraviolet light and prevent bluish tones from ruining photos captured in sunny shooting conditions, the Sigma 72mm WR UV Filter will not add any additional colouration or contrast. This

Its outstanding protective capability is leading to high reliability. By combining much greater hardness than chemically strengthened glass and greater flexibility than sapphire crystal glass. Clear glass ceramic is the ideal material for

The Sigma USB dock works in conjunction with Sigma Optimization Pro software in order to connect a photographers lens to their personal computer to update firmware and other parameters such as focus,