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  2. Fisheye lens - Wikipedia

    en.wikipedia.org/wiki/Fisheye_lens

    Sigma 15 mm f /2.8 EX DG Diagonal Fisheye; TTArtisan 11mm f /2.8 Fisheye (notable as the first fisheye lens marketed, among others, in Leica M rangefinder mount and for Fuji GFX (the lens does not cover the full GFX frame, though!). An expert found it is actually 15 mm in focal length and has an angle of view of only 176°.

  3. Fujifilm X-mount - Wikipedia

    en.wikipedia.org/wiki/Fujifilm_X-mount

    60 mm f/2.8 macro lens (mark 1 and 2) TTArtisan Lenses (as of may 2024) ... 8 mm f/2.8 UMC Fisheye; 8 mm F2.8 UMC Fisheye II (black and silver versions)

  4. Fujifilm G-mount - Wikipedia

    en.wikipedia.org/wiki/Fujifilm_G-mount

    Fujinon GF 63mm f/2.8 R WR standard prime lens. The crop factor compared to the 35 mm format as a reference is 0.79. Ratio of the reference frame's diagonal (35 mm format) to the diagonal of the image sensor in question (Fujifilm GFX): + () + ()

  5. List of third-party Sony E-mount lenses - Wikipedia

    en.wikipedia.org/wiki/List_of_third-party_Sony_E...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

  6. List of Micro Four Thirds lenses - Wikipedia

    en.wikipedia.org/wiki/List_of_Micro_Four_Thirds...

    On Jan 9, 2012 Sigma announced its first two lenses for Micro Four Thirds, the "30mm f / 2.8 EX DN and the 19mm f / 2.8 EX DN lenses in Micro Four Thirds mounts". [58] In a press release posted on January 26, 2012, Olympus and Panasonic jointly announced that "ASTRODESIGN, Inc., Kenko Tokina Co., Ltd. and Tamron Co., Ltd. join[ed] the Micro ...

  7. Samyang 14mm f/2.8 IF ED UMC Aspherical - Wikipedia

    en.wikipedia.org/wiki/Samyang_14mm_f/2.8_IF_ED...

    While the lens has some level of mustache distortion, it is able to offer superior levels of resolution compared to the Nikon AF-S 14-24mm f / 2.8G. [3] Also, while it has a fair level of vignetting like most other wide angle lenses, it manages to keep chromatic aberration levels to a minimum.

  8. Micro Four Thirds system - Wikipedia

    en.wikipedia.org/wiki/Micro_Four_Thirds_system

    The image sensor of Four Thirds and MFT measures 18 mm × 13.5 mm (22.5 mm diagonal), with an imaging area of 17.3 mm × 13.0 mm (21.63 mm diagonal), comparable to the frame size of 110 film. [4] Its area, ca. 220 mm 2 , is approximately 30% less than the APS-C sensors used in other manufacturers' DSLRs ; it is around 9 times larger than the 1/ ...

  9. DxOMark - Wikipedia

    en.wikipedia.org/wiki/DxOMark

    The DXOMARK Lens Score provides ratings for camera lenses, as tested using its proprietary tool-set in combination with various camera models. [ 8 ] [ 10 ] [ 17 ] As with the DxOMark Sensor Score , the DXOMARK Lens Score is an aggregation of five separate sub-scores; namely: sharpness, distortion , vignetting , transmission, and chromatic ...