Pentax smc P-DA* 50-135mm f/2.8 ED AL (IF) SDM Lenses (English page)

Explanation of IT Terms

**Introduction to Pentax smc P-DA* 50-135mm f/2.8 ED AL (IF) SDM Lens**

What is the Pentax smc P-DA* 50-135mm f/2.8 ED AL (IF) SDM Lens?

The Pentax smc P-DA* 50-135mm f/2.8 ED AL (IF) SDM Lens is a high-quality telephoto zoom lens designed for Pentax digital SLR cameras. It belongs to the Pentax Star (*) series, which represents the highest level of optical and mechanical excellence in Pentax lenses.

This lens offers a focal length range of 50-135mm, making it ideal for a variety of photography genres, including portraits, sports, wildlife, and landscapes. With a wide maximum aperture of f/2.8 throughout the zoom range, it allows for impressive low-light performance and beautiful background blur.

Features and Specifications

– **Optical Design**: The lens features a sophisticated optical design with various lens elements, including Extra-low Dispersion (ED) elements, to minimize chromatic aberrations and distortions, resulting in outstanding image quality.

– **Built-in Motor**: The SDM (Supersonic Direct-drive Motor) ensures fast and smooth autofocus performance, allowing photographers to capture sharp and accurate images quickly, even in challenging shooting conditions.

– **Weather-sealed Construction**: The lens is constructed with weather-resistant seals, making it resistant to dust and moisture. This feature enhances its durability and reliability, enabling photographers to shoot in various weather conditions without any worries.

– **Quick-Shift Focus System**: The lens is equipped with a Quick-Shift Focus System, allowing instant switching between autofocus and manual focus modes. This feature enables photographers to make precise focus adjustments without the need to switch the AF/MF button.

– **Aperture Control**: The lens has a rounded diaphragm with nine aperture blades, providing smooth and pleasing out-of-focus areas, commonly referred to as bokeh.

– **Compatibility**: The Pentax smc P-DA* 50-135mm f/2.8 ED AL (IF) SDM Lens is specifically designed for Pentax digital SLR cameras. It is compatible with both APS-C and full-frame sensor cameras, offering versatility to photographers using different camera models.

Availability and Pricing

The Pentax smc P-DA* 50-135mm f/2.8 ED AL (IF) SDM Lens was first released in 2007. It quickly gained popularity among professional and enthusiast photographers for its exceptional image quality and robust build.

As for the pricing, it may vary depending on the region and availability. However, at the time of its release, it was priced around $1,200, positioning it as a premium lens option for serious photographers.

In Conclusion

The Pentax smc P-DA* 50-135mm f/2.8 ED AL (IF) SDM Lens is a highly regarded telephoto zoom lens with excellent optical performance and advanced features. It offers photographers the flexibility to capture stunning images across various genres, from portraits to action shots. Its weather-sealed construction and quick autofocus make it a reliable tool even in challenging shooting conditions.

If you are a Pentax user looking for a top-tier telephoto lens, the Pentax smc P-DA* 50-135mm f/2.8 ED AL (IF) SDM Lens is definitely worth considering for its exceptional quality and versatility.

Reference Articles

Reference Articles

Read also

List of cameras(English page)