Pentax 21mm F3.2 HD DA AL Limited Lens

Revised Content:

New HD Coating: The latest generation of multi-coating technology has been adopted, reducing the amount of conventional multi-coatings in the visible light range by more than 50%. This helps to minimize flares and ghosting, even in challenging backlit conditions, resulting in clearer and more contrasted images.

Circular Aperture Design: The lens features a circular aperture that creates a soft, circular blur effect on point light sources, such as illumination and water reflections, for a more pleasing visual aesthetic.

Wide-Angle Lens: With a 32mm focal length equivalent to the 35mm format, this lens is well-suited for everyday snapshots, providing a wide-angle perspective.

Compact, Solid Construction: The lens body has a sleek, all-aluminum design, with the barrel, hood, and cap all crafted from precision-machined aluminum shavings. This gives the lens a solid, high-quality feel and texture.

Unique Optical Design: The lens employs a hybrid aspherical element and a floating mechanism, which together deliver high-contrast, three-dimensional portraits and clear images with excellent edge-to-edge sharpness across the entire focus range.

Designed for DSLR Cameras: This lens is specifically designed to cover the CCD image circle size of 23.5mm x 15.7mm, making it an ideal companion for DSLR cameras.

Protective Coatings: The lens features a special coating that is water and oil repellent, providing effective protection for the lens surface and making it easy to clean.

Seamless Autofocus and Manual Focus: The Quick-Shift Focus System allows for smooth and seamless transitions between autofocus and manual focus, without the need to switch between the two modes.

Flexible Filter Compatibility: The lens can accommodate 43mm filters by attaching them to the inside of the hood, maintaining the overall length of the lens. Alternatively, a 49mm filter can be directly attached to the lens.

In-Body Stabilization Support: When used with a Pentax DSLR camera in the K series, the lens can take advantage of the camera's in-body image stabilization system, expanding the possibilities for handheld photography.

The revised content maintains the original meaning while enhancing the reading experience through improved sentence structure, clarity, and cohesion. The word count remains within the 500-word limit.

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