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  2. Through-the-lens metering - Wikipedia

    en.wikipedia.org/wiki/Through-the-lens_metering

    Leica later used a variation of this system, as did Pentax with their Integrated Direct Metering (IDM) in the LX camera. A variation of this "OTF" system was used on early Olympus E-Series digital cameras to fine-tune the exposure just before the first curtain was released; for this to work, the first curtain was coated in a neutral grey colour.

  3. Porro prism - Wikipedia

    en.wikipedia.org/wiki/Porro_prism

    Porro prisms are most often used in pairs, forming a double Porro prism. A second prism rotated 90° with respect to the first, is placed such that light will traverse both prisms. The net effect of the prism system is a beam parallel to but displaced from its original direction, with the image rotated 180°. A double Porro system provides four ...

  4. 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 ...

  5. Polarimeter - Wikipedia

    en.wikipedia.org/wiki/Polarimeter

    Nowadays a camera system can help to monitor the sample and accurate filling conditions in the sample cell. Furthermore, features for automatic filling introduced by few companies are available on the market. When working with caustic chemicals, acids, and bases it can be beneficial to not load the polarimeter cell by hand.

  6. Mamiya RZ67 - Wikipedia

    en.wikipedia.org/wiki/Mamiya_RZ67

    The RZ67 is a modular camera system, meaning the lenses, viewfinders, ground glass, film winders and film backs designed for the system are all interchangeable. The RZ67's Sekor lenses have built-in electronic leaf shutters which are cocked and triggered from the body. Focusing is performed with a set of bellows .

  7. Canon New F-1 - Wikipedia

    en.wikipedia.org/wiki/Canon_New_F-1

    The New F-1 is an expandable system. It includes interchangeable viewfinders, focusing screens, motor drives, and alternate backs, all of which are specific to the New F-1. All other Canon components, such as the FD lens series, close up accessories (bellows, extension tubes, etc.), and Canon A and T Speedlights (except the 300TL) are also ...

  8. System camera - Wikipedia

    en.wikipedia.org/wiki/System_camera

    A system camera or camera body is a camera with interchangeable components that constitutes the core of a system. Early representatives include Leica I Schraubgewinde (1930), Exakta (1936) and the Nikon F (1959). System cameras are often single-lens reflex (SLR) or twin-lens reflex (TLR) but can also be rangefinder cameras or, more recently ...

  9. Exposure compensation - Wikipedia

    en.wikipedia.org/wiki/Exposure_compensation

    Exposure compensation. Exposure compensation is a technique for adjusting the exposure indicated by a photographic exposure meter, in consideration of factors that may cause the indicated exposure to result in a less-than-optimal image. Factors considered may include unusual lighting distribution, variations within a camera system, filters, non ...

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