Lenses -> Pentax 55mm F1.4 DA* SDM Lens
Designed specifically for Pentax's digital SLR cameras, the 55mm f1.4 DA* SDM Lens is an ideal portrait or still life lens and offers an equivalent focal length of around 85mm (in 35mm film terms) which is perfect for flattering portrait shots. The f1.4 maximum aperture produces soft graduation in out-of-focus areas of your images and also provides superb low-light performance, allowing the photographer to get the best out of available light sources. The SDM focus system incorporated in the Pentax 55mm f1.4 Lens results in a smoother, quieter auto-focus operation using a built-in supersonic motor, while the Pentax Quick-Shift Focus System allows instant switching from autofocus to manual focus operation. With its SP (Super Protect) lens coating that repels dust, water & grease and its weather-resistant construction that matches the weather-proofing of Pentax's DSLR bodies, the Pentax 55mm f1.4 DA* SDM lens is a truly top class piece of glass.
|Specification / Feature||Value||Scores *||Rank **|
|Number of Lens Elements||9|
|Number of Lens Groups||8|
|Optical Zoom ||1.00||0.00||75|
|Max Aperture Wide ||1.4||92.09||6|
|Max Aperture ||1.4||92.09||6|
|Max Aperture Tele ||1.4||81.80||6|
|Focal Length Wide ||55 (or 82.5 in full frame equiv.)||46.64||59|
|Focal Length Tele ||55 (or 82.5 in full frame equiv.)||53.36||41|
|Min Aperture ||22|
|Magnification Ratio ||0.17x||2.42||30|
|Min Focus Distance ||0.5m||92.99||37|
|Aperture Blades ||9||25.81||7|
|Autofocus Motor ||SDM|
|Sensor Format ||APS-C|
|1st/3rd Party ||1st party|
|Lens Type ||Telephoto Prime|
|Image Stabilisation ||No|
|Video Lens ||No|
|Tilt Shift ||No|
|Weather Resistant ||Yes|
|MF switch ||Yes|
|Included Accessories||Lens hood, Lens cap, Rear lens cap, Soft case|
|Filter Thread Size (mm) ||58mm|
|Size (DxL) ||0mm|
|Lens Mount ||Pentax K (DA)|
|UK Price ||£749.00 at Wex Photo Video (affiliate link)||40.19||232|
* - 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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