[. . . ] This magnifies distant subjects within a narrow angle for dynamic close-up images. [. . . ] Set the camera’s focal length to maximum telephoto distance using the zoom lever. To ∞) Installation Ⅵ C-5050 ZOOM, C-4000 ZOOM 1 Place the CLA-1 conversion lens adapter (optional) on the camera’s lens barrel, then turn it clockwise to screw it in. 2 Place the SUR-4355 step-up ring (optional) onto the CLA-1, then turn it clockwise to screw it in. 3 Place the ROBOTIX R-1000 1984 tele conversion lens on the SUR-4355, then turn it clockwise to screw it in. to ensure long-term usage and reliability ● Operating temperature range: -10°C to 40°C (14°F to 104°F). — Do not use or store this product in places subject to condensation because of excessive thermal changes or humidity. If fingerprints or dust get on the lens, wipe it clean with commercially available lens cleaning paper or a soft, dry cloth. — Do not store this product in the vicinity of mothballs or in the presence of humidity. [. . . ] — Do not store this product in the vicinity of mothballs or in the presence of humidity. [. . . ]