binoculars
51Pragmatics — Linguistics …
52Night vision — For other uses, see Night vision (disambiguation). Two American soldiers pictured during the 2003 Iraq War seen through an image intensifier Night vision is the ability to see in low light conditions. Whether by biological or technological means …
53Monocular — For other uses, see Monocular (disambiguation). Galilean type Soviet made miniature 2.5 × 17.5 monocular …
54Vulpecula — Infobox Constellation name = Vulpecula abbreviation = Vul genitive = Vulpeculae symbology = the Fox RA = 20 dec= +25 areatotal = 268 arearank = 55th numbermainstars = 5, 20 numberbfstars = 33 numberstarsplanets = 3 numberbrightstars = 0… …
55Horace Alexander — Infobox Writer name = Horace Gundry Alexander imagesize = caption = pseudonym = birthdate = birth date|1889|07|30 birthplace = Croydon, England deathdate = death date and age|1989|09|30|1889|07|30 deathplace = Pennsylvania, USA occupation =… …
56Mary Surratt — Mary Elizabeth Jenkins Surratt Mary Surratt in 1850. Born May 1820 or 1823 Waterloo, Maryland, U.S. Died July 7, 1865(1865 07 07) (aged 42 or 45) Washington, D.C., U.S …
57Eyepiece — For the device for looking through a camera, see viewfinder. A collection of different types of eyepieces. An eyepiece, or ocular lens, is a type of lens that is attached to a variety of optical devices such as telescopes and microscopes. It is… …
58Sculptor Galaxy — The Sculptor Galaxy taken with the ESO VISTA telescope at the Paranal Observatory in Chile. Observation data (J2000 epoch) Constellation …
59Eye relief — The eye relief of a telescope, a microscope, or binoculars is the distance from the last surface of an eyepiece at which the eye can be placed to match the eyepiece exit pupil to the eye s entrance pupil. Short eye relief requires the observer to …
60Curtain (novel) — Curtain: Poirot s Last Case   …
