by PA Howarth · 1986 · Cited by 187 — Abstract. The human eye suffers from longitudinal chromatic aberration, and this has been thought to average approximately 1.75 D between 420 and 660 nm. In ...

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Simtrum is proud to release TRICHROME  SD-OCT which provides unprecedented spatial resolutions and tissue contrast. It is the highest resolution Optical Coherence Tomography device for preclinical use and is equipped with the unique capability of detecting collagen fiber by capturing their natural colour.

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Mar 27, 2015 — The NA of an objective is the simply the ability of the lenses to collect light at a fixed distance from the sample which you are viewing. When ...

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Wondering how to calculate the field of view of a camera? This web-based camera FoV Calculator provides the field of view from a sensor and camera lens.

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Micrometers are precision measuring instruments used for accurate and precise measurement of small distances or dimensions. They are commonly used in ...

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Optical coherence tomography (OCT) is a non-invasive imaging technology, that provides real-time and cross-sectional images or fast 3D images of samples. OCT works similar to B-mode ultrasonic imaging. However, spatial resolutions of OCT can be as good as 1-2 μm, which is two orders of magnitude higher than those of ultrasound. The penetration depth of OCT is in the range of 2-3 mm. The non-contact and non-invasive nature makes OCT a perfect tool for diagnosing diseases in mucosa and surface inspection of products.

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The flange distance for C-mount lenses varied depending on what lens and cameras they were designed for. I have about 4 different C-mount to MFT ...

Summary: anti-reflective glasses are designed to reduce reflections and glare from electronic screens and artificial lighting, while anti-glare glasses are ...

The trifocal constraint represents the trifocal geometry (nearly) without singularities. It only fails is when the cameras are collinear and the 3-D point is on ...