Ads
related to: used 2 inch telescope eyepieces for sale by ownerwalmart.com has been visited by 1M+ users in the past month
Search results
Results from the WOW.Com Content Network
See duplex option below. This was first offered for sale in May 1956. A 3.5" Duplex, optically and mechanically identical to the Standard, but which included a simple way of detaching the telescope from the open fork mount to allow the optical tube assembly (OTA) to be used as a 1240 mm at f12 telephoto lens. This variant has been in production ...
The Meade Instruments (also shortened to Meade) was an American multinational company headquartered in Watsonville, California, that manufactures, imports, and distributes telescopes, binoculars, spotting scopes, microscopes, CCD cameras, and telescope accessories for the consumer market. [2]
Tele Vue once manufactured a 5" refracting telescope named the MPT, the Multi-Purpose Telescope. It had a fast f/4 ratio, and had an adjustable diaphragm that ranged from f/4 to f/20. Only a small number were made, with the last being kept by Televue to use as a final optical quality control for all eyepieces they make.
A range of 2.4 to 6-inch (150 mm) refractor telescopes. 6 to 10-inch (250 mm) traditional reflector telescopes on German equatorial mounts. SkyScout – an astronomical sky finder or a personal planetarium. Digital, Biological, and Stereo viewing microscopes; Binoculars and Spotting scopes; Various mounts
Tasco's telescopes have a reputation as entry-level equipment. [2] [3] It is one of several companies advertising their products based on claims of high magnification, far beyond any attainable usable magnification. [2] Tasco's telescopes tend to be referred to as "department store telescopes."
F137 Telescope, (3-inch) M1912; F138 Mount, Telescope, M1912M1, M1918; F139 Board spotting M2; F140 Quadrant Gunners, M1 (Mils) F141; F142 Mount Telescope, M4; F143; F144; F145; F146 Glass field type-E. 6-power, and glass field type-EE, (Navy) F147 Compass, prismatic, M1918, (Keuffel and Esser type) M4 Collimator Sight, used for both indirect ...
Many of these eyepieces that come with such telescopes are plastic, and some even have plastic lenses. High-end telescope eyepieces with this barrel size are no longer manufactured, but you can still purchase Kellner types. 1.25 inch (31.75 mm) – This is the most popular telescope eyepiece barrel diameter. The practical upper limit on focal ...
These are marketed as the ED80 (80 mm or 3-inch (76 mm) objective at f/7.5), ED100 (100mm or 4-inch (100 mm) at f/9) and ED120 (120mm or 4.7-inch (120 mm) at f/7.5). Orion also sold binoculars for astronomical and terrestrial observing, microscopes and monocular spotting scopes of the type used by birdwatchers and marksmen .
Ads
related to: used 2 inch telescope eyepieces for sale by ownerwalmart.com has been visited by 1M+ users in the past month