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  2. Mirror mount - Wikipedia

    en.wikipedia.org/wiki/Mirror_mount

    The mount itself has to avoid deformation of the mounted optics. Stress from mounting can introduce aberration in the light reflected from a mirror, or photoelasticity inside a lens. In some lasers the mirrors have to be easily replaced, in which case the mount needs to be designed to allow the mirror to be removed and replaced without losing ...

  3. Optical cage system - Wikipedia

    en.wikipedia.org/wiki/Optical_cage_system

    A typical optical cage system mounts each optical element in a plate. Thin rods inserted through holes in the plates allow several plates to be mounted in series, with the optical elements aligned along a common axis. A variety of hardware supports more complex designs, including optical paths that turn corners and adjustable elements.

  4. Rimless eyeglasses - Wikipedia

    en.wikipedia.org/wiki/Rimless_eyeglasses

    Rimless glasses lenses are held in place (or "mounted") by way of a series of screws, or hollow plastic double rivets (called "bushings" or "compression plugs") that fit into two holes in the lens. When bushings are used, the temples and bridge have barbed metal pins that lock into the bushings, creating a pressure seal that holds the lenses in ...

  5. Canon RF lens mount - Wikipedia

    en.wikipedia.org/wiki/Canon_RF_lens_mount

    Canon full-frame cameras have used the EF lens mount since 1987. In comparison with that mount, the RF mount's inner diameter is the same at 54 mm. [1] The RF mount's flange focal distance at 20 mm is much shorter than that of the Canon EF and EF-S mounts at 44 mm. The EF-M mount has a flange focal distance of 18 mm.

  6. Flange focal distance - Wikipedia

    en.wikipedia.org/wiki/Flange_focal_distance

    Diagram illustrating the flange focal length of an SLR–type and a mirrorless–type camera. For an interchangeable lens camera, the flange focal distance (FFD) (also known as the flange-to-film distance, flange focal depth, flange back distance (FBD), flange focal length (FFL), back focus [1] or register, depending on the usage and source) of a lens mount system is the distance from the ...

  7. Fujifilm X-mount - Wikipedia

    en.wikipedia.org/wiki/Fujifilm_X-mount

    The Fujifilm X-mount is a lens mount for Fujifilm interchangeable lens mirrorless cameras in its X-series, designed for 23.6mm x 15.6mm APS-C sensors. Various lens manufacturers use this mount, such as Fujifilm's own XF and XC lenses, Carl Zeiss AG (Touit lenses), Samyang Optics, Handevision, SLR Magic

  8. Leica SL (Typ 601) - Wikipedia

    en.wikipedia.org/wiki/Leica_SL_(Typ_601)

    The L-Mount can hold lenses made for APS-C and for full frame sensor formats. The SL version of this mount is dust- and spray-water proof. Lenses of TL and SL are compatible. There are several adapters for other lens mounts and lens makers that can be used on both TL and SL camera systems.

  9. Optical mount - Wikipedia

    en.wikipedia.org/wiki/Optical_mount

    An optical mount is a device used to join a normal camera and another optical instrument, such as a microscope or telescope.The optical mount is generally attached to the camera as a lens would on one end, and fastened to the other instrument in a similar fashion.

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