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  2. Lens adapter - Wikipedia

    en.wikipedia.org/wiki/Lens_Adapter

    This lens adapter is a passive adapter designed for mounting a Nikon F-mount lens to a Micro Four Thirds camera. Active lens adapter: Canon EF to Sony E. In photography and videography, a lens adapter is a device that enables the use of camera and lens combinations from otherwise incompatible systems. The most simple lens adapter designs ...

  3. Lens mount - Wikipedia

    en.wikipedia.org/wiki/Lens_mount

    Male mount of Minolta MC-Rokkor 58mm 1:1.4 lens with female lens mount of an Minolta XD-7 Lenses sold per year by mount type. A lens mount is an interface – mechanical and often also electrical – between a photographic camera body and a lens.

  4. Pentacon Six mount - Wikipedia

    en.wikipedia.org/wiki/Pentacon_Six_mount

    The Kiev 88СМ is a later version of the Kiev 88 manufactured with a P6 mount from the factory. Like the earlier Kiev 88 modifications, the lens is recessed in the front of the camera body. However it returns to the breach-lock origins of the mount. It has an "internal collar" that is turned by a tab accessible from the front of the camera. [3]

  5. Depth-of-field adapter - Wikipedia

    en.wikipedia.org/wiki/Depth-of-field_adapter

    A DOF adapter focuses an image onto a translucent screen (similar to how one would look at a focused image through a system camera's viewfinder) located between an external lens and the camera's main lens. The camcorder can frame this intermediate screen by focusing in macro mode. The principle is similar to pointing a video camera at a movie ...

  6. Canon RF lens mount - Wikipedia

    en.wikipedia.org/wiki/Canon_RF_lens_mount

    The EF-M mount has a flange focal distance of 18 mm. An EF-EOS R lens adapter enables Canon EF, EF-S, TS-E and MP-E lenses to be used on cameras that have the RF mount. [9] The three adapters have differing features: [10] Mount Adapter EF-EOS R; Control Ring Mount Adapter EF-EOS R – the Mount Adapter EF-EOS R with a lens control ring

  7. T-mount - Wikipedia

    en.wikipedia.org/wiki/T-mount

    The T-mount is a standard lens mount for cameras and other optical assemblies. The usual T-mount is a screw mount using a male 42×0.75 (42 mm diameter, 0.75 mm thread pitch) metric thread on the lens with a flange focal distance of 55 mm and a mating female 42mm thread on a camera adapter or other optical component.

  8. USB hardware - Wikipedia

    en.wikipedia.org/wiki/USB_hardware

    The original USB specification detailed standard-A and standard-B plugs and receptacles. The connectors were different so that users could not connect one computer receptacle to another. The data pins in the standard plugs are recessed compared to the power pins so that the device can power up before establishing a data connection.

  9. Framework Computer - Wikipedia

    en.wikipedia.org/wiki/Framework_Computer

    In its base form, the laptop is equipped with recessed slots containing USB-C ports that can be used directly. These slots can be attached with an assortment of interchangeable cards that add features such as USB-C (passthrough), USB-A , DisplayPort 1.4 , HDMI 2.0b , MicroSD , 2.5-gigabit Ethernet, and 3.5 mm headphone jack , as well as form ...