Lenses -> Pentax 20-40mm F2.8-4 DA ED Limited DC WR Lens - Black
The Pentax 20-40mm f2.8-4 DA ED Limited DC WR Lens Black is a wide-angle zoom lens ideal for shooting a variety of subjects, including landscapes, group shots, interior work and night shots. Equipped with multi-layer HD coating, the Pentax 20-40mm lens reduces reflectance in the visible light spectrum and ensures crisp, high-contrast images with minimal flare and ghosting, even under demanding light conditions. This Limited Series lens with weather-resistant construction features seven special seals to prevent intrusion of water, moisture and dust. Its large F2.8-4 aperture and rounded diaphragm blades produce stunning bokeh and the direct current (DC) focus motor provides quiet and smooth autofocus.
|Specification / Feature||Value||Scores *||Rank **|
|Number of Lens Elements||9|
|Number of Lens Groups||8|
|Optical Zoom ||2.00||4.71||63|
|Max Aperture ||2.8||77.96||17|
|Max Aperture Wide ||2.8||77.96||17|
|Max Aperture Tele ||4||32.53||27|
|Focal Length Wide ||20 (or 30 in full frame equiv.)||66.97||29|
|Focal Length Tele ||40 (or 60 in full frame equiv.)||46.96||49|
|Min Aperture ||32|
|Min Focus Distance ||0.28m||96.14||21|
|Aperture Blades ||9||25.81||7|
|Autofocus Motor ||Yes|
|Sensor Format ||APS-C|
|1st/3rd Party ||1st party|
|Lens Type ||Standard Zoom|
|Image Stabilisation ||No|
|Video Lens ||No|
|Tilt Shift ||No|
|Weather Resistant ||Yes|
|Filter Thread Size (mm) ||55mm|
|Included Accessories||Lens hood MH-RA55, Lens cap O-LW65A, Lens mount cap, Lens soft case P70-150|
|Size (DxL) ||0mm|
|Lens Mount ||Pentax K (DA)|
|UK Price ||£599.00 at Wex Photo Video (affiliate link)||44.92||201|
* - Scores are calculated by comparing numerical specifications with other cameras. The highest ranking camera for a specification acheives a score of 100. The lowest ranking camera is scored as 0 and all the other cameras are scored in between 0 and 100 according to their merit.
** - Rank is calculated by ordering the scores for all cameras in descending order. The best scoring camera for a particular feature / specification will have a rank of 1.
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