Pentax DA 40mm f/2.8 XS

no photoThis unifocal standard lens offers a focal length equivalent to 61mm in the 35mm format, and measures a mere 9.2 mm in length, making it the worldÂ’s thinnest interchangeable lens. Thanks to its super-thin design, it is highly portable and easy to store and carry. Its optics were designed based on those of the acclaimed smc PENTAX-DA 40mm F2.8 Limited lens. Its maximum aperture of F2.8 produces sharp, bright images in a wide range of photographic situations, including snapshots, scenic photos, portraits, and even low light indoor shooting.
Availability
Discontinued more info No Contribute
Year announced No Data Contribute
General
Lens Mounts
  • Pentax K
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Focal Type Standard Contribute
Lens
Focal Length more info 40mm Contribute
Angle of View more info 39° Contribute
Max Aperture more info f/2.8 Contribute
Min Aperture more info f/22 Contribute
Filter Size more info 27mm Contribute
Stabilised No Contribute
35mm equivalent 61mm Contribute
Internal focusing more info No Contribute
Maximum magnification more info No Data Contribute
Focusing
Min Focus 40cm Contribute
Macro more info No Data Contribute
Focusing modes more info
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    Construction
    Blades 9 Contribute
    Elements 5 Contribute
    Groups 4 Contribute
    Weather-sealed more info No Data Contribute
    Box Contents
    Box Contents more info Lens Caps Contribute
    Dimensions
    Weight 52g Contribute
    Height 9.2mm Contribute
    Diameter 62.9mm Contribute
    MTF Data
    Effective focal length No Data Contribute
    Weighted MTF No Data Contribute
    Average Weighted MTF No Data Contribute
    Weighted MTF 10 lp/mm No Data Contribute
    Weighted MTF 20 lp/mm No Data Contribute
    Weighted MTF 40 lp/mm No Data Contribute
    Distortion No Data Contribute
    Grade No Data Contribute
    Photodo MTF Score No Data Contribute

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