Sigma WR Ceramic Protector 77mm
Sigma WR Ceramic Protector 77mm
The highly protective Sigma WR Ceramic Protector filter features the high transmittance required of optical devices whilst combining greater hardness than chemically strengthened glass
The highly protective Sigma WR Ceramic Protector filter features the high transmittance required of optical devices whilst combining greater hardness than chemically strengthened glass and greater flexibility than sapphire crystal glass. Constructed from Clear Glass Ceramic extremely tough crystallized glass the Sigma WR Ceramic Protector filter delivers outstanding strength.
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