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  2. Panasonic Leica D Vario-Elmarit 14-50mm f/2.8-3.5 ASPH Mega ...

    en.wikipedia.org/.../2.8-3.5_ASPH_Mega_OIS

    There are some variations in lens markings, depending on which camera it was bundled with initially; engraved on the ring around the front element for the version bundled with the Panasonic DMC-L1, the brand ("LEICA") is by itself on one side, opposite the lens name and data ("D VARIO-ELMARIT 1:2.8–3.5/14-50 ASPH.

  3. Prism correction - Wikipedia

    en.wikipedia.org/wiki/Prism_correction

    A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. Thus a prism of 1 Δ would produce 1 cm visible displacement at 100 cm, or 1 metre. This can be represented mathematically as: = ⁡ where is the amount of prism correction in prism dioptres, and is the angle of deviation of the light.

  4. Aspheric lens - Wikipedia

    en.wikipedia.org/wiki/Aspheric_lens

    An aspheric biconvex lens. An aspheric lens or asphere (often labeled ASPH on eye pieces) is a lens whose surface profiles are not portions of a sphere or cylinder. In photography, a lens assembly that includes an aspheric element is often called an aspherical lens . The asphere's more complex surface profile can reduce or eliminate spherical ...

  5. Esophoria - Wikipedia

    en.wikipedia.org/wiki/Esophoria

    Esophoria is an eye condition involving inward deviation of the eye, usually due to extra-ocular muscle imbalance. It is a type of heterophoria. Cause. Causes include: Refractive errors; Divergence insufficiency; Convergence excess; this can be due to nerve, muscle, congenital or mechanical anomalies.

  6. Panasonic Leica D Vario-Elmar 14-150mm F3.5-5.6 Asph Mega OIS

    en.wikipedia.org/wiki/Panasonic_Leica_D_Vario...

    2007. References. [1] The Panasonic Leica D Vario-Elmar 14-150mm F3.5-5.6 Asph Mega OIS is an interchangeable camera lens announced by Panasonic on March 7, 2007. [1] Since it has been released, it was only produced in small quantities, which makes this product quite special. [2] It features the Four Third Systems to assure its compatibility ...

  7. Elmar (lens) - Wikipedia

    en.wikipedia.org/wiki/Elmar_(lens)

    These lenses were derived from a 50 mm f/3.5 Elmax lens first produced in 1925. The name is a combination of Ernst Leitz and Max Berek. Description. Elmar lenses have a maximum aperture ranging between f/2.8 and f/4. Current Elmar lenses have a maximum aperture of f/3.8 or f/4, as in the Elmar-M 24 mm f/3.8 and Tri-Elmar-M 16-18-21 mm f/4.

  8. List of Leica lenses - Wikipedia

    en.wikipedia.org/wiki/List_of_Leica_lenses

    Leica R lenses. Leica 15 mm f/3.5 Super- Elmar -R – 1980 (Carl Zeiss design) Leica 15 mm f/2.8 Super- Elmarit -R ASPH – 2001. Leica 16 mm f/2.8 Fisheye-Elmarit-R – 1970 (Minolta design and glass production) Ernst Leitz Canada Elmarit R19/2.8. Leica 19 mm f/2.8 Elmarit-R 1st version.

  9. Micro Four Thirds system - Wikipedia

    en.wikipedia.org/wiki/Micro_Four_Thirds_system

    The Micro Four Thirds system ( MFT or M4/3 or M43) (マイクロフォーサーズシステム, Maikuro Fō Sāzu Shisutemu) is a standard released by Olympus Imaging Corporation and Panasonic in 2008, [1] for the design and development of mirrorless interchangeable lens digital cameras, camcorders and lenses. [2] Camera bodies are available ...

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