HD Pentax-D FA 100mm F2.8 ED AW Macro Lens

Product Code: 20320

£699.00 (Inc. VAT)

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A macro lens for use with PENTAX digital SLR cameras, featuring a new optical design for greatly improved imaging power

Dustproof, weather-resistant AW construction for exceptional outdoor shooting reliability

This is the first macro lens to feature dustproof, weather-resistant AW (All Weather) construction to prevent the intrusion of dust and moisture into its interior, using six sealing parts to optimize the airtight performance. When mounted on a dustproof, weather-resistant PENTAX digital SLR camera body, it creates a highly dependable, durable imaging system that performs superbly in demanding shooting settings — even in rain or mist, or at locations prone to splashing or spraying water.

Exceptional imaging performance

The lens features one ED (Extra-low Dispersion) glass optical element and two Anomalous Dispersion glass optical elements to minimize the generation of the unwanted purple fringe effect. Coupled with the high-grade HD (High Definition) Coating and the FREE (Fixed Rear Element Extension) focusing system, it effectively reduces the generation of flare and ghost images over the entire focus range — from minimum focusing distance to infinity — and delivers clear, crisp, high-quality images. It also provides life-size images in close-range shooting. Because it assures a greater working distance than a 50mm macro lens, it is very effective in the shooting of unapproachable subjects.

HD Coating to enhance imaging performance

The lens incorporates the PENTAX-developed, multi-layer HD (High Definition) Coating. Compared with conventional multi-layer coatings, it improves light transmittance while reducing average reflectance in the visible ray spectrum. This means that it can deliver clear, well-defined images with minimal flare and ghost images, even under demanding lighting conditions such as backlighting.

Rounded diaphragm to produce a beautiful bokeh effect
Featuring a rounded diaphragm from open aperture to F5.6, the lens produces a natural, beautiful bokeh (defocus) effect while minimizing the streaking effect of point light sources.

High-grade aluminium lens barrel and outstanding operability
The lens is stylishly designed, with a lens barrel meticulously machined from high-grade aluminium. It also provides a smooth, comfortable focusing action during manual-focus shooting.
The lens hood is made of plastic.

SP Coating
The front optical element has been treated with SP (Super Protect) Coating to keep the front surface free of dust or stains, improving imaging performance and reliability in outdoor settings.

Quick-Shift Focus System
This innovative focus system allows the photographer to instantly shift the focus mode from auto to manual: all that is needed is a single rotation of the focus ring after the subject has been captured in focus by the camera’s autofocus system. This single-action operation eliminates the need for a troublesome, multi-step focus-mode switching manoeuvre during fast-action outdoor shooting.

Focal length 100mm  - equivalent to 135mm in 35mm format (when attached to PENTAX APS-C size DSLR cameras)
Maximum Aperture F2.8
Minimum Aperture F32
Lens construction 10 elements in 8 groups
Angle of View (Diagonal) 24.5° (16° when attached to PENTAX APS-C size DSLR cameras)
Mount KAF
Minimum Focusing Distance 0.303m (1ft.)
Maximum Magnification 1x
Filter Diameter 49mm
Diaphragm Control Fully automatic
Number of Diaphragm Blades 8 (Rounded diaphragm / 100mm:F2.8-5.6)
Maximum Diameter x Length approx. 65mm x 80.5mm (approx. 2.6in. x 3.2in.)
Weight approx. 348g / with hood approx. 387g
Weather Protection: AW (All Weather Resistant) construction using six sealing parts to optimize airtight performance
Special Features: HD Coating, SP (Super Protect) Coating, Quick-shift Focus System (QFS/M)
Lens body machined from high-grade aluminium

Included Accessories

Lens Hood PH-RBE49
Lens Cap O-LC49
Lens Mount Cap K
Lens Case S80-120

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