magnification degree
51Optimum HDTV viewing distance — is the distance that provides the viewer with the optimum immersive visual HDTV experience. Although opinions vary on the exact screen size to distance relationship, formal research and recommendations suggest closer is preferred to further[not… …
52Electron microscope — Diagram of a transmission electron microscope A 197 …
53Primary biliary cirrhosis — Classification and external resources Micrograph of primary biliary cirrhosis showing bile duct inflammation and injury. H E stain …
54Egyptian faience — is a non clay ceramic displaying surface vitrification which creates a bright blue green luster. It is called Egyptian faience to distinguish it from Faience which refers to the ambiguous term frit and a type of pottery now know as majolica: a… …
55Sako TRG — Infobox Weapon name= Sako TRG caption=Finnish Defence Forces Sako TRG 42 rifle (8.6 TKIV 2000) origin=flag|Finland type= Sniper rifle is ranged=yes service= 2000 present used by= See operators and civil users wars= Afghanistan War, Iraq War… …
56Nikon S3 — Type 35 mm rangefinder camera Film format 35mm Film size 36mm x 24mm Lens interchange …
57cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …
58Defining equation (physics) — For common nomenclature of base quantities used in this article, see Physical quantity. For 4 vector modifications used in relativity, see Four vector. Very often defining equations are in the form of a constitutive equation, since parameters of… …
59Rangefinder camera — A Foca camera of 1947 at the Musée des Arts et Métiers in Paris. A rangefinder camera is a camera fitted with a rangefinder: a range finding focusing mechanism allowing the photographer to measure the subject distance and take photographs that… …
60Star hopping — is a technique that is often used by amateur astronomers to locate objects in the night sky. It can be used in place of or in conjunction with setting circles.The problemMany celestial objects of interest are too faint to be visible to the… …
