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M12Wide AngleLens

The purpose of an eyepiece is to magnify the focal plane of the telescope. All telescopes form what is known as a real image at their focal ...

M12 lenses are useful for a wide variety of applications where a rugged, lightweight camera is desirable. Their compact size also makes it easy to integrate into a variety of devices, which makes them an excellent choice for applications such as compact sports cameras and IoT devices.

M12ZoomLens

Diamond-like-carbon (DLC) coatings are a particular area of expertise for Richter Precision Inc. Among PVD & PaCVD coating compositions and technology, DLC coatings stand out as a distinctive category. These coatings exhibit a desirable combination of a low coefficient of friction and high micro-hardness, making them extremely effective in many tribological and wear applications.

Equally, narrow aperture means a small opening, which is measured in f-stops with a large number, such as f/32. Wide aperture is useful for low-light scenarios ...

LensmountM12meaning

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The dimension with tol is a feature of size, the flatness further tightens the range. A max of .210 will be .205-.210, and a min of .200-.205.

M12 Lensthread

DLC films are generally amorphous (i.e have no dominant crystalline lattice structure) and consist of a mixture of sp2 (graphite) & sp3 (diamond) phases. Control of film properties is strongly dependent on the flux characteristics of the chosen deposition technique (PVD sputter or evaporation and Pa-CVD), metal and hydrogen content within the film, sp2:sp3 ratio, substrate bias voltage, ion energy and ion density as well as substrate temperature. DLC film friction coefficient against steel generally ranges from 0.05-0.20, whilst film hardness and sp3 content can be tailored for specific applications. Metal and hydrogen containing DLC (Me-DLC or a-C:H:Me) exhibit hardness in the range 500-2000HV with 35% sp3, metal free DLC (C-DLC or a-C:H) typically 1500-4000HV and up to 75% sp3 , whilst tetrahedral amorphous carbon (ta-C) can be 4000-9000HV with 80-85% sp3.

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S-mountlens

With a large selection of brands and options available, you’re sure to find the right M12 diameter board mount lens for your requirements here.

An M12 lens is a miniature, screw mount lens with M12 diameter threads, commonly called a “board mount” or “S-mount” lenses. M12 lenses typically have a fixed aperture, and are screwed and are focused by screwing them into the mount and locking them in place – usually with a bead of UV-cured glue. Similar miniature lenses are available in M10, M8, and M6 diameter thread sizes, but M12 lenses are the most commonly used size, since their image circle provides good coverage for a wide variety of image sensors.

M12Macrolens

M12 lenses are typically affixed to the image sensor component board with a standard M12 lens mount, which is why they are sometimes called “board mount lenses”. Camera systems that use board mount lenses are generally less complex and expensive to manufacture than camera systems that use other lens mount technologies. However, the lens mount needs to be accurately aligned with the image sensor to ensure that the image circle is in focus over the entire sensor surface.

DLC coatings are formed when ionized and decomposed carbon or hydrocarbon species land on the surface of a substrate with energy typically 10-300eV. DLC films may possess exceptional mechanical (high hardness), optical (high optical band gap), electrical (high electrical resistivity), chemical (inert) and tribological (low friction and wear coefficient) properties and can be deposited at low substrate temperatures (~200°C).

M12 lenses are also designed to be extremely versatile, with a wide range of focal lengths and aperture options available. M12 lenses are available in a variety of focal lengths from fisheye lenses through telephoto lenses, and with special optics optimized for SWIR (short-wave infrared), and ToF (Time-of-Flight) image sensors.

If you are looking for the right lens for your project, a good place to start your selection process is with our whitepaper “How to Choose the Right Lens”. This paper is a great way started in selecting the right M12 lens for your image sensor. Download this whitepaper to learn how to select the right lens to get the best results for your chosen image sensor.

M12 LensMount dimensions

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M12 lenses also need to be matched to the sensor size and desired working distance of the camera system you are developing.

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Aug 29, 2023 — The prescription for astigmatism is written in a specific format that includes both the spherical and cylindrical powers, as well as the axis.

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M12 LensHolder

Richter Precision Inc. offers a complete range of DLC phase compositions, and hence the widest possible range of selectable mechanical and physical properties. The characteristics of the tools and/or application will determine which DLC coating structure would be best suited. Please see the table below for a complete listing of our available DLC coating compositions.

M12 lenses are used in a variety of applications, including machine vision systems for robotics, embedded vision systems, streaming cams for content creators, automotive systems including back-up cameras, and surveillance cameras.