USB-C - usb 3.1 cable

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MTF

A photodiode is one type of light detector, used to convert the light into current or voltage based on the mode of operation of the device. It comprises optical ...

Modulation transfer function

Great for home, classroom, or home-school use, this kit includes all the essential items you’ll need to begin exploring the wonders of the microscopic world.

Essentially a compound microscope is a high magnification microscope that uses 2 lenses to compound (multiply) the level of magnification. The first lens is ...

Field of view

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On the trail, at the job site, in the classroom, or simply sitting at home relaxing – the Celestron Elements ThermoTank 3 will keep your hands toasty.

LensMTF

This rugged, 3-in-1 device features a true tactical 3-mode flashlight, a hand warmer, and a portable power bank for recharging your personal electronics on the go.

In addition to the basic MTF measurements, OptiShop measures other lens parameters such as: EFL, BFL, FFL, distortion and field curvature.

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Sep 12, 2022 — 3, and for reflection of light, as on butterfly wings and the Australian opal in Figure 4.5.4a. Natural diffraction gratings also occur in the ...

FOV and focal length

MTFtesting Mastercard

Depth of Field (DoF) refers to the distance between the closest and farthest objects that appears acceptably sharp in a photograph.

NUMERICAL APERTURE definition: a measure of the resolving power of a microscope , equal to the index of refraction of... | Meaning, pronunciation ...

The integration of CI Systems’ standard METS Collimator in OptiShop, makes OptiShop a one-stop modular, cost-effective optical test bench for measuring all the optical properties of a UUT across the entire imaging spectrum.

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CI Systems has developed a diffraction-limited, chromatically-corrected microscope objective for the SWIR, MWIR and LWIR MTF tests, delivering a reliable test, free of distortion caused by the UUT optics.

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The MTF Test Station (OptiShop) is a modular, optical test bench for measuring the Modulation Transfer Function (MTF) and Transmittance of optical components across wide spectral ranges, including Visible, SWIR, MWIR and LWIR.

ImageJMTF

This rugged, 3-in-1 device features a true tactical 3-mode flashlight, a hand warmer, and a portable power bank for recharging your personal electronics on the go.

A microscope’s resolution is its ability to form separate images of lines or dots. It’s defined in terms of the actual distance between details on the object. The wave nature of light puts a practical and theoretical limit on the resolution of a white-light microscope as about half a wavelength of visible light, about 250 nanometers or a quarter-micron. This also limits the highest useful magnifications to the range of 1000x-2000x. Resolution depends solely on the objective lens, as the eyepiece just magnifies light from the objective.The numerical aperture of a microscope lens is a measure of the increase in resolution due to the lens being able to gather a wider cone of light from the specimen. This depends on how close the lens is to the specimen and also if oil or another fluid is used between the lens and the specimen. Both increase the numerical aperture and the microscope’s resolving power.Numerical aperture is higher for higher-power objectives because they are used very close to the specimen. Its value for the objective is usually engraved on the barrel and runs between 0.04 for very low-power objectives and 1.4 for very high-power objectives. A typical 40x objective that will be used at 400x with a typical 10x eyepiece has a numerical aperture of 0.65.A condenser’s numerical aperture should equal or exceed that of the objective lens to effectively illuminate the specimen. Higher powers will need condensers with higher numerical apertures, meaning the condenser lens is closer to the specimen. Condensers with numerical apertures of 1.2 are typical for objectives delivering magnifications of 400x.

OptiShop supports both testing methods: Video Capture MTF and Slit Scan MTF.Whereas the Slit Scan MTF Testing Method is the cost effective way of measuring optical systems’ MTF, now using the Video Capture MTF Testing method, modern digital cameras from visible to far IR spectral ranges can be tested in significantly greater throughput rates. The Video Capture MTF Testing allows for real-time measurement of optical components as well as multi camera systems.