In photographic use, however, field curvature induces defocus error, which can be significant. In order to flatten curved image field, an auxiliary lens, or ...

Leica Science Lab is a microscopy knowledge portal that offers microscopy topics and webinars, ranging from the basics to specific application know-how.

Designed for SL1 lights with a mini Bowens mount, this optical modifier gives you a refined spotlight effect while unleashing higher illuminance from the lamp.

Apr 9, 2024 — It was the brainchild of Italian lawyer and camera enthusiast Telemaco Corsi (1899-1974), and was the only Italian SLR ever produced. Work began ...

Manual functions can be changed with the hand and it gives the photographer the opportunity to be more creative and to experiment.  This camera also allows you to take videos.

Our collimator uses a 650nm, 4.5mW, class IIIA red diode laser that is very easy to see and safe. Collimate either day or night! The body accurately fits into ...

With compact cameras there are a lot to choose from.  They are much cheaper but there are also more expensive models available.  These compact cameras are also easy to use and they also take nice pictures.

by AJM Wollman · 2015 · Cited by 203 — Gailieo's design was a compound microscope—it used an objective lens to collect light from a specimen and a second lens to magnify the image, but this was not ...

Feb 14, 2023 — A camera polarizer lens filter (or polarizing filter) is a filter that blocks polarized light. In short, polarized light is light reflected from ...

22.03.2023  WB Die neue Waldenburgerbahn 15.06.2023  AB (SGA) Spurensuche Ruckhalde, Betrieb 2023 25.07.2023  TPF Umspurung Broc-Village – Broc-Fabrique 2. Teil 10.04.2024  Steinbruchbahn Ostermundigen  1. Teil 8.05.2024   Steinbruchbahn Ostermundigen  2. Teil 26.06.2024 TPF Umspurung Bulle – Broc-Chocolaterie 3. Teil

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Aug 1, 2005 — Their impact is growing. Learn how to recognize, understand and troubleshoot linear distortions in this second of two segments.

Wide angle lenses (10 - 20mm) up to (100 -400mm) can be used on the dSLR cameras.  The same camera is used, just with different lenses every time.

Feb 3, 2022 — For example, looking at a monitor with a 1,000:1 contrast ratio, a white image would appear 1,000 times brighter than a black image on a ...

Orthoscopic Eyepieces offering high contrast, ultra sharp views.

It has a fixed lens which cannot be changed or replaced, but it has a strong zoom lens, for example: 10x (30 -300mm) or 15x (30 - 450mm)

Obschon die Schweiz eines der dichtesten Bahnnetze Europas aufweist, wurden tatsächlich über siebzig eigenständige Bahnen oder Teilstrecken geschlossen. Den grössten Anteil dabei hatten natürlich die Ueberland-Strassenbahnen die in der ursprünglichen Form praktisch verschwunden sind.