smc PENTAX-DA★ 300mm F4 ED[IF] SDM
Designed to produce powerful telephoto images, the smc PENTAX-D★ 300mm F4 ED[IF] SDM is a uni-focal super-telephoto lens with a focal length equivalent to 460mm in the 35mm format. It minimizes chromatic aberrations by incorporating ED (Extra-low Dispersion) optical elements in its second and fifth lens. It also offers a minimum focusing distance of 1.4 m (4.6ft). Featuring advanced technologies, such as special optical glass elements and PENTAX-original lens coatings, it is designed to assure exceptional optical performance and deliver clear, high-contrast images, even at image-field edges.

| smc PENTAX-DA★ 300mm F4 ED[IF] SDM | |
| Lens Mount | PENTAX KAF2 mount |
| Focal Length | 5.4° |
| Lens Construction(group/elements) | 8 elements in 6 groups |
| Min. Aperture (f) | F32 |
| Min. Focusing Distance | 1.4m |
| Max. Magnification (macro range) | 0.24X |
| Filter Size | 77mm |
| Diameter & Length (mm) | 83mm x 184mm (3.3″ x 7.2″) |
| Weight (g) | 1070g (37.7 oz.) w/o hood 1160g (40.9 oz) w/hood |
| Model No. | 21760 |


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