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  2. Nikon 1-mount - Wikipedia

    en.wikipedia.org/wiki/Nikon_1-mount

    3. The Nikon 1-mount is a type of interchangeable lens mount developed by Nikon for its Nikon CX format mirrorless interchangeable-lens cameras. The 1-mount was first introduced on the Nikon 1 series in 2011, and features a bayonet mount. Nikon 1 V1 with Nikkor VR 10-100mm f/4.5-5.6 PD-Zoom and ME-1 stereo microphone in HD-video use.

  3. Pentax K-mount - Wikipedia

    en.wikipedia.org/wiki/Pentax_K-mount

    electrical pins, drive shaft for focus. The Pentax K-mount, sometimes referred to as the "PK-mount", is a bayonet lens mount standard for mounting interchangeable photographic lenses to 35 mm single-lens reflex (SLR) cameras. It was created by Pentax in 1975, [1] and has since been used by all Pentax 35 mm and digital SLRs and also the MILC ...

  4. Fisheye lens - Wikipedia

    en.wikipedia.org/wiki/Fisheye_lens

    A fisheye lens is an ultra wide-angle lens that produces strong visual distortion intended to create a wide panoramic or hemispherical image. [4][5]: 145 Fisheye lenses achieve extremely wide angles of view, well beyond any rectilinear lens. Instead of producing images with straight lines of perspective (rectilinear images), fisheye lenses use ...

  5. Nikonos - Wikipedia

    en.wikipedia.org/wiki/Nikonos

    They are, a 50mm f / 2.8 macro, 28mm wide, 13mm fisheye, and the world's first underwater zoom lens, a 20-35mm. The body features considerable automation, with a built-in motor drive for film advance and rewinding, an autofocus system with multiple modes, DX film speed detection, and an aperture-priority autoexposure mode.

  6. Nikon F-mount - Wikipedia

    en.wikipedia.org/wiki/Nikon_F-mount

    Specialty low-light lens designed for maximum sharpness at the widest aperture setting. The name has been applied to the Noct-Nikkor 58mm f / 1.2 and the Nikkor Z 58mm f / 0.95 S Noct. OP — Orthographic Projection. A fisheye lens that produces an orthographic rather than the equidistant image used on other fisheye lenses.

  7. Pentax F 17-28mm lens - Wikipedia

    en.wikipedia.org/wiki/Pentax_F_17-28mm_lens

    The smc Pentax-F 17–28mm Fish-eye f / 3.5–4.5 is the first fisheye zoom lens, manufactured by Pentax for single-lens reflex cameras (SLRs) with a K lens mount.At its widest setting of 17mm, it affords a 180° diagonal angle of view images for all K-mount full-frame SLR cameras; at 28mm, the diagonal angle of view is reduced to 90° on the diagonal.

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