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Jul 20, 2023 — Anti-glare (AG) or anti-reflective (AR) lens coatings are specific coatings designed to decrease the amount of reflective light in your lenses.

Collecting 1,000 btus onto a few square inches of surface [it seems wise to channel the energy a bit more spread out rather than the laser point that melts everything] with several cubic meters of insulated mass below might work out.

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Roberto pokachinni wrote: Collecting 1,000 btus onto a few square inches of surface [it seems wise to channel the energy a bit more spread out rather than the laser point that melts everything] with several cubic meters of insulated mass below might work out.  That's more of what I had in mind.  It could focus on a rock, or clay tile, or rammed earth in a slightly more diffused pattern so that it was not melting everything and anything under it's laser gaze.

Lenticular means the correction in the lens does not extend all the way to the outer edge of the lens. Since most people can’t see this part of the lens this ...

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"Never doubt that a small group of thoughtful, committed citizens can change the world; indeed, it's the only thing that ever has."-Margaret Mead "The only thing worse than being blind, is having sight but no vision."-Helen Keller

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Each Nikon microscope objective is precision-crafted to provide the highest level of clarity and overall optical performance. World-class Nikon objectives, ...

Collecting 1,000 btus onto a few square inches of surface [it seems wise to channel the energy a bit more spread out rather than the laser point that melts everything] with several cubic meters of insulated mass below might work out.

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It occurs when information is displaced geometrically, and while it changes the shape of an image will not result in image blur. Distortion correction can be ...

Holographic Diffraction Gratings. Typical holographic diffraction gratings are produced on soda lime and fused silica glass substrates from high quality ...

A reflectivity of 65 to. 75 per cent is obtainable in this way. With increasing efficiency in the design of lighting fixtures and the study of lighting ...

"Never doubt that a small group of thoughtful, committed citizens can change the world; indeed, it's the only thing that ever has."-Margaret Mead "The only thing worse than being blind, is having sight but no vision."-Helen Keller

Cleaning Cloth part number PREMATEX Binder free; entangled fiber wiping cloth, highly absorbent, very low linting, and compatable with most cleaning ...