Orion E-Series Family-Friendly Refracting Telescope Black 52590
Family-friendly 90mm refractor on single-arm altazimuth mount excels for effortless long-distance viewing.
90mm (3.5") aperture and 600mm focal length telescope (f/6.7) excels for views of lunar landscape, planets, and bright deep-sky objects.
Correct-image diagonal Yields non-reversed image, ideal for daytime terrestrial or nighttime celestial observation.
Includes fully coated high- and low-power plossl eyepieces - superior to cheaper eyepieces included with many competing 90mm refractor - and a red dot....
Also comes with Orion's exclusive moon map 260, your detailed guide to 260 named craters, mountain, rills, seas, and other features on the lunar....
Televue PMT-4201 2 inch 4x Powermate with 1.25-Inch Eyepiece Adapter
Latest Version, Accepts the T-Ring Adapter.
Vignetting, edge field aberrations and pupil movement - all introduced when using Barlows with long focal length eyepieces, are minimized..
Telecentric operation (field rays leave parallel to optical axis, unlike Barlow lenses which diverge rays). This is ideal for Hydrogen-alpha filter use such as with Daystar models..
High performance for image amplification, CCD or film (some of the finest Earth-based planetary imaging is being done with Powermates)..
Flexible for visual and imaging with all types of telescopes and eyepieces. Essentially Parfocal, and with nearly constant magnification regardless of image distance behind top surface (except 5x model which increases 1x for every 35mm of image distance i.
Telescope, Astronomy Telescope for Adults, 400mm AZ Mount 16X-200X HD Telescope, 70mm Refractor Astronomical Telescope with Adjustable Tripod, Backpack, Phone Adapter
【Optimum Magnification】 2 replaceable K-series eyepieces (K6mm-67X, K25mm-16X) enhance the clarity of the astronomical telescope. 1.5X Erecting lens & 3X Barlow lens (K6mm + 3X lens reach up to 200X) offers high-magnification viewing of the moon and terrestrial objects..
【High Transmission Optics】400mm(f/5.7) focal length and 2.75inches objective lens telescope with fully coated glass optics for enhanced image brightness and clarity, perfect for land viewing and moon watching. Great gift for Teens, Children, Adults Beginners..
【Portable Telescope Backpack】Weighs only 1.8 pounds. Equip with a smartphone adapter, adjustable tripod. A backpack can store all accessories that meet different needs of hiking, outdoor and family time. Easy to set up without tools, perfect for children explore the universe and nature..
【Easy to assemble& dismount】Our refractor telescope eyepiece part: 45° erecting mirror + eyepieces. You need to use K25mm for the first time, the magnification is 16X and easy to aim at the nearby target. 5X24 Finder Scope can locate objects faster, moon watching is a great helper..
MEOPTEX 2 Kellner 26mm 32mm 40mm Eyepiece for Telescope,FMC 40mm
"2"" Kellner wide field eyepices with comfortable viewing position. Kellner eyepieces are a further development of the classical Kellner design. They....
High-level craftmanship, the lenses are multi-coated and have blackened edges and a blackened interior. Offers the budget-conscious amateur stargazer....
If high transmission is essential, Kellner eyepieces are highly recommended. The Kellner eyepiece design uses a minimum of glass-air surfaces..
The Modified Achromatic design features an optical advancement over the traditional Kellner and gives sharp, faithful lunar, planetary, and deep-space....
This eyepiece is threaded to accept standard 2"" filters, includes a rubber eyecup for comfortable viewing and is fully multicoated. Dust caps are....
The shorty barlow lens 2 x is a great necessity to any telescope.
Both end caps is Included to protect against dust and fingerprints.
This Barlow lens comes with a set screw to securely hold your eyepieces.
Allow full insertion of the lens assembly into a scope with a diagonal eyepiece socket. prevents the barlow lens from contacting the internal diagonal mirror and damaging it.
Quality aluminum stock and black anodized body.
This Barlow lens has reduced the diameter of the barlow elemen but not reduce the light transmission.
The 2-element apochromatic and Fully Multi-Coated optics support clear and has very little if any reduction in light transmission to the eyepiece and support the true 2x.
Slides into 1.25 inch focuses and diagonals and accepts 1.25 inch eyepieces.