What is the relationship between numerical aperture and ... - na of a lens
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Macro lenses can be classified into three focal-length categories: short (35-60mm), midrange (80-105mm), and long (150-200mm). The short macro lens (35-60mm).
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EdmundScientific catalog
Oct 3, 2024 — Collimator, device for changing the diverging light or other radiation from a point source into a parallel beam. This collimation of the ...
In association with Avantes' new AS-7010 electronics, the AvaSpec ... price. In addition to the high speed communication options, the EVO series ...
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When carrying the microscope, hold its arm securely with both hands. · When carrying the microscope, do not hold the focus knobs, eyepiece tube, stage, or other ...
by C Robens · 2016 · Cited by 65 — The lens system exploits the principle of the Weierstrass-sphere solid immersion lens to reach a numerical aperture (NA) of 0.92. Tailored to ...
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Sep 29, 2023 — Depending on application, a great versatile blaster that will serve well outdoors is the Streamlight Protac HL-5X. Billed at 3500 lumens, it ...
If your lenses are in good shape and scratch-free, we can add the AR coating and send them back to you, good as new. The AR coating will reduce glare, improve ...
by G Hass · 1956 · Cited by 98 — By changing the evaporation time required to produce an 800 A thick coating from 2 sec to 130 sec at a pressure of 1×10−5 mm Hg, the reflectance is reduced ...