Pentax 10-17mm F3.5-4.5 ED HD DA Fisheye Lens

PentaxSKU: 027075301252

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Sale price£499.00

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Product Description

Pentax 10-17mm F3.5-4.5 ED HD DA Fisheye Lens

  • HD Coating to enhance imaging power
  • Zoom range covering the fish-eye angle
  • New exterior design to match the latest digital SLR models
  • SP Coating to repel stains

The high-grade, multi-layer HD Coating has been applied to the optical elements for high-contrast images with edge-to-edge sharpness and free of flare and ghost images. The exterior has been totally redesigned to match the design of the latest PENTAX K-mount digital SLR models, and also to make its lens hood removable. When mounted on a PENTAX K-1 or PENTAX K-1 Mark II camera body, the photographer can remove the lens hood to produce nearly circular fish-eye images.

HD Coating to Enhance Imaging Power
After a thorough review of lens coatings, PENTAX applied a High Definition Coating ” PENTAX™s latest multi-layer coating ” to the lens. Compared to conventional multi-layer coatings, this high-performance, multi-layer coating reduces average reflectance in the visible light range by more than 50 percent and improves light transmittance, to minimise the adverse effects of flare and ghost images even in demanding lighting conditions such as backlighting. This zoom lens also incorporates an Extra-low Dispersion (ED) glass element to effectively compensate for chromatic aberration for extra-clear, high-contrast images.

Zoom Range Covering the Fish-Eye Angle
When mounted on a PENTAX digital SLR camera body, this zoom lens provides a 180-degree diagonal angle of view in the APS-C format at a focal length of 10mm to deliver eye-catching fish-eye images. Since the angle of view shifts dramatically with a slight change of focal length, the photographer can easily create visual expressions typical of an ultra-wide-angle lens, such as exaggerated perspective, deformed subjects and a pan-focus effect to capture the entire image field in focus.

New Exterior Design to Match the Latest Digital SLR Models.
While retaining the overall size of the original smc PENTAX DA 10-17mm F3.5-4.5 ED (IF), this zoom lens features a totally new exterior design, similar to that of the latest DA- and D FA-series lenses. This new appearance also makes it a perfect partner for the newest K-series digital SLR models. Although it is an ultra-wide-angle zoom lens, it has been designed to be extremely compact and lightweight. The removable lens hood allows for nearly circular fish-eye images to expand the range of photographic expressions when mounted on a PENTAX K-1 or PENTAX K-1 Mark II camera body.

SP Coating to Repel Stains.
SP (Super Protect) Coating, highly repellent to water, grease and dirt, has been applied to the lens™s front surface using a PENTAX-exclusive fluorine deposition process, making it easy to wipe off any stains such as a fingerprint. This frees the photographer from worries in outdoor photography.

Other Features
Quick-Shift Focus System, to provide instant shift to manual-focus operation after locking the subject in focus during AF operation by pressing the shutter-release button halfway down; usable at any time during AF operation.

A minimum focusing distance of 14 centimetres, allowing the photographer to move in as close as approximately 2.5 centimetres from the front end of the lens to the subject, for ultra-close-up photography

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Focal Length 10-17mm
Maximum Aperture F3.5-4.5
Minimum Aperture F22-32
Lens Construction 10 elements in 8 groups
Angle of View (Diagonal) 180-100°
(when attached to PENTAX APS-C size DSLR cameras)
Mount KAF
Minimum Focusing Distance 0.14m (0.46ft.)
Maximum Magnification 0.39x
Filter Diameter N/A
Diaphragm Control Fully automatic
Number of Diaphragm Blades 6
Aperture Ring N/A
Tripod Mount N/A
Lens Hood PH-RBA60 (included)
Lens Cap O-LW70A (included)
Lens Case S80-120 (included)
Maximum Diameter x Length approx. 67.5mm x 70mm (approx. 2.7in. x 2.8in.)
Weight approx. 317g / with hood approx. 323g
(approx. 11.2oz./ with hood approx. 11.4oz.)
Temperature -10°C~40°C (14°F~104°F)
Humidity 85% or less
(no condensation)
Included Accessories Lens Hood PH-RBA60,
Lens Cap O-LW70A,
Lens Mount Cap K,
Lens Case S80-120
Others HD Coating
SP (Super Protect) Coating
Quick-shift Focus System (QFS/A)

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Understanding: Aperture

Aperture is the opening in a camera lens that controls how much light enters the camera. It's measured in f-stops like f/2.8 or f/8. Lower f-stop numbers mean wider openings, letting in more light and creating a shallow depth of field (blurry background). Higher f-stop numbers mean smaller openings, letting in less light and creating a larger depth of field (more of the scene in focus). Aperture also affects the quality of out-of-focus areas in the image (bokeh).

Understanding: Lens Types

Different lenses have different purposes to achieve different styles of images, some popular ones include:
Prime Lens: Fixed focal length, sharp images, great for portraits and dark settings.
Zoom Lens: Variable focal length, versatile for different shots and everyday use..
Wide-Angle Lens: Captures wide scenes like landscapes.
Telephoto Lens: Magnifies distant subjects, ideal for sports & wildlife.
Macro Lens: Perfect for close-up photography of small subjects.
Fisheye Lens: Ultra-wide perspective, creates unique images.

Understanding: Lens Mounts

Different camera brands use different lens mounts, which are like connectors that attach lenses to camera bodies. Each mount is specific to a particular brand and camera series. For example, Canon uses the EF and RF mounts, Nikon uses the F mount, Sony uses the E mount for its mirrorless cameras. These mounts dictate which lenses are compatible with which cameras. Some brands offer adapters to use lenses from other systems, but it's essential to ensure compatibility for proper functionality and autofocus performance.

Understanding: Manual and Autofocus

Manual focus and autofocus are two ways to adjust the sharpness of a camera lens. With manual focus, you turn a ring on the lens to bring the subject into focus yourself, giving you full control over what appears sharp in the image. Autofocus, on the other hand, relies on the camera's built-in technology to automatically adjust the focus for you, usually by detecting contrast or phase differences in the scene. Autofocus can be convenient, especially for fast-moving subjects or when you need to capture a quick shot, whereas manual focus allows for precise adjustments and creative control over the final image.

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