Key Features
- HD coating
- Lightweight pancake style design
- Stylish Limited lens design
- Round-shaped 9-bladed diaphragm
- Premium quality made with Aluminium Alloy
- Super Protect coating
HD PENTAX-DA 40mm f/2.8 Limited Lens Black
Designed as a special HD PENTAX-DA 40mm f/2.8 Limited Lens Black sets this apart from other  in the range, with a unique design and stylish casing. As with other limited lenses it features a high-grade HD coating and 9-bladed round-shaped diaphragm to produce high quality results with pleasing out of focus rendering. An equivalent focal width in full frame format of 61mm makes this prime lens suitable for a range of subjects for Pentax camera users including portraits and general everyday shooting.
Limited Lenses are renowned for having a meticulous finish in every detail with outstanding image rendition to the high-quality, hand-machined aluminium body, which is apparent with this 40mm f/2.8 Limited Lens. You will see better optical performance than the original Limited Lens-series models too. The HD coating assures much higher light transmittance than conventional multi-layer coatings to deliver sharp, clear images free of flare and ghost images, even under such demanding conditions as backlight. They also feature a completely round-shaped diaphragm to produce a natural, beautiful bokeh (out-of-focus) effect in the foreground and background when combined with interchangeable lens .
HD PENTAX-DA 40mm f/2.8 Limited Lens Black In more detail
High-grade HD coating for exceptional image rendition
All lenses are treated with HD coating,* a high-grade multi-layer lens coating that assures higher light transmittance and lower reflectance than conventional multi-layer coatings. As the result, they produce sharp, clear images free of flare and ghost images, even under such adverse lighting conditions as backlight.
Round-shaped diaphragm for beautiful out-of-focus renditionÂ
All lenses feature a completely round-shaped diaphragm to optimise the performance of their distinctive optics. This diaphragm produces a natural, beautiful bokeh (out-of-focus) effect, while minimising the streaking effect of point light sources.
Premium quality of the Limited Lens-series
While inheriting the design concept of the Limited Lens series, these lenses were designed by combining a series of mechanical and numerical evaluations with human assessment of test-shooting samples to assure the ultimate in image reproduction. Their optical design has been optimised for digital photography to deliver sharp, clear images with outstanding contrast, even at the maximum aperture. In addition, their lens barrel, hood and cap are all made of a high-grade aluminium material, hand-machined for perfect proportions and beautiful texture.
HD PENTAX-DA 40mm f/2.8 Limited Lens Black Specifications
| FOCAL LENGTH EQUIVALENT TO 35 MM FORMAT | 61mm |
| APERTURE RANGE | F2.8 – F22 |
| NUMBER OF DIAPHRAGM BLADES | 9 |
| ANGLE OF VIEW | 39° |
| CONSTRUCTION | 5 elements in 4 groups |
| SMALLEST OBJECT DISTANCE/MAGNIFICATION | 0.4m |
| MAGNIFICATION | 0.13x |
| FILTER SIZE | 30.5mm or 49mm |
| MOUNT | K MOUNT |
| WEIGHT | 89 g |
| DIMENSIONS (LENGTH X DIAMETER) | 63mm x 15mm |
What’s in the Box
- HD PENTAX-DA 40mm f/2.8 Limited Lens Black for K Mount
- Lens hood: MH-RE49
- Lens cap: Exclusive Cap
- Lens case: Exclusive Case
| Offers: N/A |
| Offer Category: Camera Lenses |
| Offer Product Type: Pentax Lenses K mount |
| Autofocus: Yes |
| Aperture ring: N/A |
| Constant Aperture: Yes |
| Lens CIPA Image stabilization rating: N/A |
| Colour: N/A |
| Diameter (mm): 63 |
| Length (mm): 15 |
| Weight (g): 19595 |
| Distance scale: Yes |
| DoF scale: N/A |
| Elements: 5 |
| Environmental Sealing: N/A |
| Focus distance limiter: N/A |
| Focal length: 40 mm |
| Focus method: N/A |
| Filter Thread: N/A |
| Full time manual: Yes |
| Groups: 4 |
| Hood supplied: Yes |
| Lens Image stabilization: N/A |
| Lens mount: N/A |
| Lens Materials: N/A |
| Maximum focal length: 40 |
| Maximum magnification: 0.13 |
| Maximum aperture (number): 2.8 |
| Maximum aperture (text): N/A |
| Max Format size: N/A |
| Minimum focal length: 40 |
| Lens Minimum focus distance (m): 0.4 |
| Minimum aperture (number): 22 |
| Minimum aperture (text): N/A |
| Motor type: N/A |
| Number of diaphragm blades: 9 |
| Power zoom: N/A |
| Special elements / coatings: High-grade multi-layer HD (High Definition) Coating |
| Tripod collar: N/A |
| Lens type: N/A |
| Wide/Tele: N/A |
| Lens Level: N/A |
| Best For: N/A |
| Best For Holiday and Landscape: Yes |
| Best For Interior and Architecture: N/A |
| Best For Fashion and Portrait: N/A |
| Best For Macro and Still Life: Yes |
| Best For Astro: N/A |
| Best For Street: Yes |
| Best For Wildlife and Sport: N/A |
| Zoom lock: N/A |
| Zoom method: N/A |
| Notes: N/A |












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