Pentax FA 645 SMC 300mm f/4 ED IF Lens
This zoom lens offers a wide coverage of the telephoto range with a f/5.6 to f/45 aperture and a 35mm equivalent focal length of 118.5mm to 236mm.The minimum shooting distance is 2m throughout the entire zoom range, and the maximum shooting magnification is 0.18X (at 300mm).
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.
- The f/4 maximum aperture
- Autofocusing telephoto prime lens with a 35mm-equivalent focal length of 200mm
- Treated with Pentax's Super Multi Coating (SMC) for sharp, high-contrast images
- Extra-low Dispersion (ED) lens elements assure high image quality by minimizing chromatic aberrations
- Inner Focus (IF) mechanism minimizes lens extension when focusing, maintaining good balance and assuring smoother focus ring operation and a closer minimum focus distance of 2.2m
- Developed using computer-assisted optical design technology for a high degree of precision
Lens Mount |
PENTAX 645AF2 bayonet |
Model No. |
26505 |
Focal Length |
300mm (Equivalent to 236mm in 35mm format) |
Angle of View |
13.5° |
Lens Construction(group/elements) |
8 elements (2x ED) in 8 groups |
Min. Aperture (f) |
f/4 |
Min. Focusing Distance |
2.2m |
Filter Size |
77mm |
Weight (g) |
1,490g |
Number of Diaphragm Blades |
8 |
Hood |
PH-RBE77 |
Brand: Pentax |
Code: 26505
APN: 0027075042537 |
Supplier Code: 26505
Brand: Pentax |
Code: 26505
APN: 0027075042537 |
Supplier Code: 26505
At a glance
This zoom lens offers a wide coverage of the telephoto range with a f/5.6 to f/45 aperture and a 35mm equivalent focal length of 118.5mm to 236mm.The minimum shooting distance is 2m throughout the entire zoom range, and the maximum shooting magnification is 0.18X (at 300mm).