The highly-quality 300mm f/4 ED lens from Pentax is ideal for shooting sports and portraits. It features a focal length of equivalent to 450mm, making it suitable for various applications. This lens features an oil- and water-repellent coating, and it can be cleaned easily if the lens is accidentally contaminated with cosmetics or fingerprints. The 300mm f/4 ED lens from the DA-series is designed for digital cameras. It features an image circle that perfectly matches the dimensions of the CCD used in the cameras. This design helps minimize the weight and production cost of the lenses compared to 35mm-format versions. The DA-series lenses from Pentax are equipped with a dust-resistant and tightly sealed construction that helps them endure harsh environmental conditions.

Autofocus Lens for Digital SLR

Pentax K Compatiblity, and APS- Lens Format Coverage

77mm Filter Size 

8 Elements in 6 Groups 

9 Diaphragm Blades 

The lens of the DA-series from Pentax is also equipped with a special coating that's designed to help it resist various types of water and oil. This coating is made of a special compound fluoride. The DA-series lens from Pentax also features a Quick-Shift focus system, which allows users to automatically switch to manual focus mode when they want. The DA-series lenses are also equipped with an additional-low dispersion glass lens element that's designed to help minimize the effects of chromatic aberration.

The DA* and DA-Star zoom lenses from K10D have a built-in Super Digital Motor (SDM) system, which provides quieter and smoother auto-focusing when used with a supersonic motor. 

When paired with a K10D digital camera body, this feature automatically turns on the focus mode to SDM.

On older models, the conventional mode is selected using a motor mounted to the body.

Like all Pentax lenses, it is treated with a smc coating.

This ensures that it can deliver high-quality images with excellent light transmission.

In addition, a protective coating known as SP has been applied to the lens' front surface.

This process is carried out through evaporation.

Limited 1-Year Manufacturer Warranty