Pentax DA* 300mm F4 ED (IF) SDM Lens

This is a fast high-performance DA* series lens uses ultrasonic focus motor to guarantee extremely fast and silent operation. High-quality ED lens elements provide for brilliant image quality. Its objective is furnished with a tripod mount collar. The inner focusing design suggests convenient and easy operation. It is also completely sealed so dirt and splashes will not contaminate the lens, and the special PENTAX SP coating further protects the front lens element against foreign objects. The lens’ maximum aperture is f/4.0 and its focal length of 300mm is equivalent to 450mm in the 35mm format. It also features PENTAX-original Quick-Shift Focus System that allows instant switching from autofocus to manual focus operation. It is compatible only with APS-C DSLR Cameras.

Product Features in Detail

High-performance telephoto lens
The smc PENTAX DA Star 300mm F4 ED (IF) SDM is a high-performance telephoto lens.

Quick-Shift Focus System
The PENTAX-original Quick-Shift Focus System allows instant switching from autofocus to manual focus operation.

SDM focus system
The SDM focus system incorporated in this lens results in a smoother, quieter autofocusing operation using a built-in supersonic motor.

Focal length is equivalent to 450mm in the 35mm
The focal length is equivalent to 450mm in the 35mm format.

Tightly sealed
The tightly sealed, weather-resistant and dust-resistant construction enhances durability for use in both rainy and dusty conditions, making the DA Star 300mm F4 ED (IF) SDM lens a perfect companion for the weather-resistant PENTAX DSLR bodies.

SP (Super Protect) coating
The PENTAX-original SP (Super Protect) coating repels dust, water and grease to keep your lens clean and your image quality at its peak.

Extra-low Dispersion (ED) elements
The Extra-low Dispersion (ED) elements compensate for chromatic aberration.

For PENTAX digital SLR cameras
Developed specifically for PENTAX digital SLR cameras.