Pentax FA 645 300mm f4 EDIF LensPentax 645 Mount35mmEquivalent Focal Length 200mmAperture Range f4 45Internal FocusingExtraLow Dispersion GlassSuper Multi Coating Thesmc FA 645 300mm f4 ED IF Lens fromPentax is a medium format manual and autofocusing telephoto prime lens with a 35mmequivalent foca
The smc FA 645 300mm f/4 ED (IF) Lens from Pentax is a medium format, manual and autofocusing telephoto prime lens with a 35mm-equivalent focal length of 200mm. The surface is treated with Pentax's Super Multi Coating for sharp, high-contrast images. Extra-low Dispersion (ED) lens elements assure high image quality by minimizing chromatic aberrations. The Inner Focus (IF) mechanism minimizes lens extension when focusing, maintaining good balance and assuring smoother focus ring operation and a closer minimum focus distance. The lens was developed using computer-assisted optical design technology for a high degree of precision.
Focal Length | 300 mm |
Aperture | Maximum: f/4 |
Camera Mount | Pentax 645 |
Angle of View @ Infinity | 13.5° |
Minimum Focus Distance | 7.22' (2.2 m) |
Elements/Groups | 7 / 7 |
Autofocus | Yes |
Filter Thread | 67 mm |
Dimensions | Approx. 7.22 x 2.95" (183.5 x 75 mm) |
Weight | 1.76 lb (.8 kg) |
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