Lenses -> Pentax 300mm F4 DA* Lens
This new fast telephoto from Pentax is not only optically astounding but also supports the ultrasonic autofocus drive system for fast and quiet operation. Special optical glass including ED glass elements, aspherical lens elements and outstanding lens coating provide for excellent contrast characteristics, a consistent edge-to-edge sharpness and a particularly clear rendition of fine details.
|Specification / Feature||Value||Scores *||Rank **|
|Number of Lens Groups||6|
|Number of Lens Elements||8|
|Optical Zoom ||1.00||0.00||75|
|Angle of view ||5.4 degrees|
|Max Aperture ||4||70.68||26|
|Max Aperture Wide ||4||70.68||26|
|Max Aperture Tele ||4||32.53||27|
|Focal Length Wide ||300 (or 450 in full frame equiv.)||12.54||81|
|Focal Length Tele ||300 (or 450 in full frame equiv.)||87.46||6|
|Min Aperture ||32|
|Magnification Ratio ||0.24x||3.84||23|
|Min Focus Distance ||1.4m||80.11||57|
|Aperture Blades ||9||25.81||7|
|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|
|Filter Thread Size (mm) ||77mm|
|Included Accessories||Front cap, Rear cap, Lens hood, Soft case, Tripod mount|
|Lens Mount ||Pentax K (DA)|
|UK Price ||£1149.00 at Wex Photo Video (affiliate link)||31.13||306|
* - 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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