Mamiya 7 lenses Because rangefinder design eliminates the large, bulky mirror box of SLR design, lenses can be designed simply and rear elements can easily recess towards the film plane. The result is the possibility of ideal lens designs, which Mamiya s computer-aided optical R&D department crafts with the utmost pride and unsurpassed precision of any medium format system. The Mamiya 210mm f/8 lens is a compact 17 ounce, 4.9 inch lens designed to meet the needs of Mamiya 7II owners who like travel, backpacking and desire a lightweight telephoto to capture distant landscapes. This lens in not coupled to the rangefinder, and must be set for the estimated distance of the subject. Item Specifications: Product Description: Mamiya telephoto lens - 210 mm Lens System: Telephoto lens Intended For: Medium format Lens Aperture: F/8.0 Focal Length: 210 mm Min Focus Range: 23 ft Focus Adjustment: Manual Lens Construction: 5 group(s) / 7 element(s) Special Functions: Tele Filter Size: 58 mm Compatibility: Mamiya 7 Length: 4.9 in Weight: 16.9 oz