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The Pentax HD PENTAX-DA AF Rear Converter 1.4X AW is a compact, high-performance rear converter that not only extends the focal length of the main lens by 1.4 times, but also accommodates the flawless autofocus operation of the main lens, and features a dependable weather-resistant, dustproof construction for all-weather shooting.
By mounting this rear converter between the camera body and main lens, the user can extend the focal length by 1.4 times. Measuring only 20 millimeters long, its compact, lightweight design allows the user to more easily reach out to distant subjects. The minimum focusing distance of the main lens is retained despite the extended focal length, providing for the capture of larger, more detailed images of the subject in close-up shooting. When this rear converter is mounted, the lens maximum aperture will be smaller (darker) by 1 step.
When coupled with an AF lens, the autofocus operation can be performed by the main lens. This rear converter works perfectly with both the camera-driven AF system and the lens-driven AF system (such as the SDM- and DC- series lenses). The camera’s firmware must be updated to the latest version before using the autofocus function. Compatible camera bodies are: K-S1, K-3, K-50, K-500, K-30, K-5 II, K-5 II s, K-5, K-01, K-7, and K-r. Autofocus is possible with a Pentax lens having maximum aperture of f/4 or brighter.
Equipped with three airtight seals, this model is the first Pentax rear converter with a weather-resistant, dustproof construction. By combining it with Pentax’s weather-resistant, dustproof camera body and lens, the user can assemble a dependable digital imaging system that performs superbly even under harsh outdoor conditions, such as in the rain or in a cloud of dust or sand.
Thanks to its state-of-the-art optical design, this rear converter assures the exceptional optical performance that optimizes the potential of the main lens. With the application of Pentax-developed HD coating - a high-grade, multi-layer coating designed to minimize reflectance inside the lens while optimizing light transmittance - it lets the user capture crisp, high-contrast images free of flare and ghost images, even under such adverse lighting conditions as backlight.
|Warranty Period||2 Years|
The HD PENTAX-DA 55-300mm ED WR is a versatile telephoto zoom lens for Pentax K-mount