Flat lens offers a perfect image - flat optical lenses

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Catadioptric

SY Chen · 2007 · 20 — A vision sensor is the robot's eye to perceive its environment, but the perception performance can be significantly affected by illumination conditions.

This means that if the sagittal and meridional curves are closer to each other on an MTF chart, then the images will have more even image performance on both ...

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Unique to the X-Cite NOVEM, its spectral coverage extends from UV to IR. Researchers can image Fura-2 using the 340/385nm LEDs for ratiometric calcium imaging, powerful excitation for Cy7, and for the first time, IR800 and other emerging far-red fluorophores.

Catadioptric telescope meaning

X-Cite NOVEM provides researchers with new fluorophore imaging options never before available. Available in four standard configurations, the X-Cite NOVEM tailors to the needs of specific applications to reduce complexity while optimizing cost versus performance.

The X-Cite NOVEM has it all. With high power output, a wide spectral range, convenient design features, and whisper-quiet operation, this nine-channel LED illuminator does everything but compromise.

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Catadioptric telescope diagram

With nine individually controllable channels, the X-Cite NOVEM is bright enough to rival arc lamps in microscopy applications. Reduced sample exposure and scanning times will translate to improved image quality and productivity in most applications. Each channel can be set to its own intensity, in 1% increments, providing full control and flexibility together with exceptional uniformity and stability.

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Catadioptric Telescope Price

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Cassegrain telescope

These hybrids combine elements of both refractors (lens) and reflectors (mirror) providing high performance in a smaller package. Examples are Maksutov Newtonian, Maksutov Cassegrain and Schmidt Cassegrain.

2020513 — If you are using the lens as a magnifying glass the standard formula 1u−1v=1f, where u and v are the distances from the lens to the object ...

Excelitas respects your privacy. Periodically we would like to keep you informed of products, services and developments across the wide array of photonic technologies which you can engage in your applications and systems.

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GET TO KNOW SAM AND ELLA! If you have not met Sam and Ella, the X-Cite microbes, watch the video episodes below to catch up on their adventures.

“I am very pleased with the performance of the X-Cite NOVEM 9-channel LED illumination system. I am using it for fast wavelength switching between 340 nm and 380 nm for Fura-2 ratiometric imaging. It is a well-engineered instrument with a compact footprint so it easily fits into my workspace. Standard 25 mm diameter cleanup filters are easily inserted into the light path for precise control of the output wavelengths. It is easy to regulate the percent power to the LEDs to control the intensity of the excitation light and the device is compatible with MetaFluor real-time imaging software. Since it covers all wavelengths, I only need one illuminator for all my imaging needs from UV to far red. The technical support from Excelitas is top notch.“ Bob Petroski, Neuroservices-Alliance

Catadioptric telescope how it works

Catadioptric pronunciation

Lens focal length tells us the angle of view—how much of the scene will be captured—and the magnification—how large individual elements will be ...

Dobsonian telescope

“The X-Cite NOVEM allows us to utilize the ratiometric advantages of FURA-2 (quantitation and ability to correct for bleaching) but with the speed and economy of use of single color ratiometric probes.” Callen T. Wallace, Center for Biologic Imaging, University of Pittsburgh

The award-winning X-Cite NOVEM™ is our next generation of LED light sources delivering the brightest and most powerful LED Illumination ever. This nine-wavelength, fast-switching system includes spectral coverage from Fura-2 all the way to IR800. Leveraging our patented LaserLED Hybrid Drive® to effortlessly fill the green gap in the challenging 500 – 600nm range, X-Cite NOVEM features high excitation power for fluorescence applications across the UV-visible-NIR spectrum. With four configuration options and pre-installed clean-up filters, researchers can choose the combination best suited to their existing and future imaging applications.

2020512 — These are the most important numbers when considering a lens for property photography. These numbers refer to the focal length of the lens.

Longer lifetimes - UV LED lights last for 25,000 hours or more, and do not "burn out" like a fluorescent lamp - their UV light output gradually diminishes over ...

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Focal length is the distance from the center of the lens to the imaging point (focal plane) where the light for the image is collected. When a lens is described ...

Verbatim LED backlit panel 3CCT UGR19. SKU: Verbatim-LED-backlit-panel-3CCT-UGR19. High quality diffuser for uniform light distribution; High efficacy, 90lm ...