Pentax DA 10-17mm i s designed to perfectly match the 23.5mm x 15.7mm size of the CCD used in PENTAX digital SLRs. The lens offers fish-eye (180° diagonal angle of view at a focal length of 10mm) to super wide-angle performance in a single unit. (Download Brochure)
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Pentax DA 10-17mm Reviews
Photozone reviews the Pentax DA 10-17mm and writes;
“The Pentax SMC DA 10-17mm f/3.5-4.5 ED[IF] Fisheye is certainly sharp enough for its purpose and the high degree of barrel distortion is naturally a feature to enjoy and not a bug. However, the Pentax lens clearly has some downsides. The bokeh (out-of-focus blur) is very harsh..That all said, it is lots of fun to go out there and play with the Pentax SMC DA 10-17mm Fisheye … “
PopPhoto reviews the Pentax DA 10-17mm and writes;
“At its uniform close-focusing distance of 5.25 inches, maximum magnification ratios ranged from 1:4.6 at 10mm to an impressive 1:2.6 at 17mm. Due to the unusual nature of this lens, we were unable to perform optical bench or wall-target tests, including the SQF and DxO Analyzer distortion and vignetting tests. You can expect a fair amount of both — it’s a fisheye, after all.”
Amazon customer reviews the Pentax DA 10-17mm Fish-Eye and writes;
“Every bit as advertised. A most unusual lense. It takes a while getting use to the lack of an apature ring but the lense is everybit worth it. If you are in a small room and need to take in the whole room this is the lense for you. The Lense is as sharp as all of the other pentax lenses that I have and the depth of field is tremendous”
Pentax DA 10-17mm Samples
Pentax DA 10-17mm Press Release
Golden, CO. (November 30, 2005) – PENTAX Imaging Company has announced the smc PENTAX DA FISH-EYE 10-17mm F3.5-4.5 ED [IF] lens. Designed exclusively for use with the PENTAX line of digital SLRs, this interchangeable lens offers fish-eye (180° diagonal angle of view at a focal length of 10mm) to super wide-angle performance in a single unit.
Mounted on the PENTAX *ist D series of digital SLRs, the new PENTAX lens will capture fish-eye imagery with a 180 degree angle of view and a focal length of 10mm as well as super wide-angle performance that allows photographer to make use of dramatic angles-of-view resulting from slight changes in focal length. This super wide-angle capability also will capture images with an expanded perspective including creative deformation of subjects and sharp pan focus that extends throughout the entire frame.
The image circle of this new lens will match the image recording area (23.5mm x 15.7mm) of the *ist D series to ensure precise optical performance ideally suited to the camera’s digital imaging characteristics. The smc PENTAX DA FISH-EYE 10-17mm F3.5-4.5 ED [IF] lens design also features lightweight, compact dimensions compared with 35mm format, SLR interchangeable lenses with equivalent specifications.
The new lens will ship in January 2006 with an anticipated price of $579.95 US.
Specification smc PENTAX-DA FISH-EYE 10-17mm F3.5-4.5 ED(IF)
Lens mount: PENTAX KAF mount
Lens construction: 10 elements in 8 groups
Angle of view: 180° – 100° (wiith *ist D series)
Diaphragm control: Fully Automatic
Number of aperture blades: 6
Minimum aperture: F22-32
Metering system: TTL open-aperture metering
Minimum focusing distance: 0.14m (0.46 ft.)
Filter size: Without Filter (not available to attach)
Maximum magnification: 0.39X
Dimensions: (diameter x length) 68mm x 71.5mm (2.7 inch x 2.8 inch)
Weight: 320g (11.3 oz.)