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Pentax HD PENTAX-FA 31mm f1.8 Limited Lens
HD PENTAX-FA 31mmF1.8 Limited - The wide-angle lens of the series is very versatile. The large aperture allows you to play with the depth of field, which can be a valuable design tool for landscape or street photography. An exceptional lens that delivers sharp, high-contrast, well-defined images that faithfully depict the ambience of the scene — even to the very tips of a bare tree’s branches in winter. This lens has a 31mm focal length, which provides a slightly broader angle of view than more conventional 35mm lenses, to expand the possibilities of wide-angle photography. Click here to view all available colour variants>
High-Grade Optical Components
This lens inherits the proven optics of the SMC PENTAX-FA 31mm F1.8AL Limited and incorporates high-grade optical components — such as glass-moulded, aspherical elements and high-refraction, low-dispersion glass elements — to deliver sharp, well-defined images of small subjects, such as the very tips of a bare, leafless tree’s branches in winter.
HD Coating
To further improve imaging power, it also features a newly applied HD coating to produce clear, crisp images even under demanding conditions, and a completely round-shaped diaphragm to deliver a natural, beautiful bokeh (defocus) effect from open aperture to F3.5.
SP Coating
While retaining the outstanding optical performance of the SMC PENTAX-FA 31mm F1.8AL Limited, PENTAX has upgraded the imaging power by paying meticulous attention to the details that can’t simply be measured in numbers alone, and also by applying the SP coating to the front optical element to improve the water/grease-repellent and scratch-resistant performance for easier maintenance.
Features
A high-grade lens with superb image rendition and beautiful texture
While inheriting the design concept of the Limited series, this lens was designed through a series of mechanical and numerical evaluations, as well as a human assessment of test-shooting samples, to deliver an image rendition unmatched by other models.
The barrel, hood and cap are all made of high-grade aluminium, meticulously machined for an attractive appearance and beautiful texture. It also features a mount pointer with a shippoyaki (cloisonné) finish, which lets the user effortlessly and quickly mount the lens to a camera body.
HD coating for exceptional image rendition
This lens is treated with PENTAX-original HD coating.* Compared with conventional multi-layer coatings, this high-grade coating assures higher light transmittance and lower reflectance to deliver sharp, clear images free of flare and ghost images, even under such adverse lighting conditions as backlight. It elevates the imaging performance a further step up.
* HD stands for High Definition.
Round-shaped diaphragm for a beautiful bokeh effect
This lens features a completely round-shaped diaphragm, which produces a natural, beautiful bokeh (defocus) effect in the images captured while optimizing the imaging performance of the distinctive Limited-series optics contained within.
SP coating to repel dust and protect the lens surface
Applied to the front optical element, the PENTAX-developed SP (Super Protect) coating effectively repels water and grease to keep the lens surface free of dust, water and oily substances. This coating is also highly resistant to abrasion and scratches, keeping the lens scratch-free.
Other features
The black model is marked with serial numbers starting with 0000001, while the silver model starts with 1000001. The lens also features an aperture ring to make the best use of the range of functions featured in K-mount film-format cameras.
Product Specifications
Click here to download our Pentax HD PENTAX-FA 31mm f1.8 Limited Specifications PDF
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