101 results for "Achromatic Refractor" between $75.00 and $900.00

Optical Design Achromatic Refractor Magnification 300x Front Lens Ø (Clear Aperture) 152mm Focal Length, Focal Ratio 760mm Standard Eyepiece(s) PL-10 / PL-15 / PL-25mm (31.7mm/1.25'') View Finder Scope 8x50

Meade ETX-80AT 3.15-inch Achromatic Refractor Telescope. 3.15-inch aperture, 400mm focal length and an ultra fast f/5 focal ratio. Includes Autostar controller, 9.7mm and 26mm Super Plossl eyepieces, and a field tripod. Meade ETX-80AT-TC #0805-04-21. This 80mm achromatic refractor is a super compact, ultra-portable telescope for both astronomy and terrestrial use, delivering more light-gathering than competitively priced 60mm models. Includes Meade 494 Autostar GoTo computer. The ETX-80 is a great...

80mm diameter delivers more light-gathering for increased image brightness & greater detail. Observe land or more than 1,400 sky objects in high resolution. Built-in Barlow lens flips into position when needed & provides power when studying lunar & planetary surface features. Internal time chip keeps precise factory-calibrated time & date. Bubble-level compass makes initialization faster & easier. 2 premium 4-element 1.25" super Plössl eyepieces offer comfortable long eye-relief & an expansive...

The 152mm f/6.5 Achromatic refractor from Explore Scientific is an air spaced doublet refractor telescope mainly for visual observing celestial objects. Explore Scientific 152 Standard Hardware: Removable Dew Shield Front and Rear Dust Covers Cradle Rings with Handle and Univsersal Saddle Plate Two-Speed Focuser 2.0" I.D. 8x50 Finder Scope with Six Point Adjustable Bracket 2.0" 99% Reflective Mirror Diagonal with 1.25 " Adapter Net Weight - Telescope with Cradle Rings 21.6 lbs. Recommended Optional...

The new Meade LXD75 AR-5AT 5" Achromatic Refractor Telescope offers a high-performance equatorial mount, heavy-duty, all-metal field tripod and precision drive system. Meade LXD75 Achromatic Refractors are supplied with an upgraded 8x50 viewfinder, and the standard precision all-metal 1.25"/2" O.D. rack & pinion focuser. The refractors also have improved metal dew shields and heavier-duty objective cells. In addition, like the 6" refractor, the 5" has had a system of collimation screws added to the...

The 127mm f/6.5 Achromatic refractor from Explore Scientific is an air spaced doublet refractor telescope mainly for visual observing celestial objects. Features The Explore Scientific has 127mm of Aperture Focal Length - 825mm Focal Ratio - f/6.5 The Explore Scientific 127 Doublet comes with a 10:1 Dual Speed Focuser. Supplied with an 8x50 Finder Scope Comes with a 2" Dielectric Diagonal Backed By Explore STAR Transferrable Extended Life Warranty The Explore Scientific is diffraction limited air...

Fork mount/drive system: Single fork arm altazimuth design with pre-installed dual DC servo motor drives. A compartment in the drive base accepts eight user-supplied AA batteries for powering the telescope. Selectable lunar, solar, or sidereal (star) tracking rates, with nine different slewing and centering speeds for locating objects (4°/sec, 2°/sec, 1°/sec, 0.5°/sec, and 32x/16x/8x/4x/2x the sidereal rates). For more details, click on the “mount" icon above. NexStar computer control: The supplied...

* 70mm f/13 fully-coated achromatic refractor optics. * computerized go-to altazimuth mount. * pre-assembled aluminum tripod. * StarPointer red dot finder. * 25mm (36x) and 9mm (100x) 1.25” eyepieces. * 1.25” 90° erect image star diagonal. * 2-year warranty.

* 90mm f/7.33 fully-coated achromatic refractor optics. * computerized go-to altazimuth mount. * pre-assembled aluminum tripod. * StarPointer red dot finder. * 25mm (26x) and 9mm (73x) 1.25” eyepieces. * 1.25” 90° erect image star diagonal. * 2-year warranty.

Although I have a number of telescopes, this is my first achromatic. First impression is that the quality for the price is excellent, and Hayneedle added to that by offering a lower price than anybody else.[...]. The scope looks very good and it's reasonably light at around 16 lbs or so. I only managed a short first session and wanted to see right away how bad the CA was, so I looked mostly at the full Moon with various eyepieces and pushing the magnification a bit - up to about 200x. There was a...

Explore Scientific AR102 f/6.5 Air-Spaced Doublet Achromat Refractor The classic air-spaced crown-and-flint doublet achromatic refractor is reborn with the aim to produce superior-class optical figure in a short (f/6.5) focal length design with Explore Scientific Air-Spaced Doublet AR Series. These optics are an extreme value produce stunning images of deep sky objects double stars planets and the moon that are a small fraction of the price of comparable aperture apochromat refractors. Finally one...

Optical Design Achromatic refractor. Optical Lens Diameter 2.8" (70mm). Focal Length 700mm. Focal Ratio f/10.0. Maximum Useful Magnification 137x. Mount Type Altazimuth. Eyepiece Barrel Diameter 1.25". Finderscope 1x Red Dot. Tripod Yes. Motor None. GO-TO Capability None. PC Compatible None. Power Source None. Warranty Meade warranty.

Our Observer 70 is the perfect telescope for that budding astronomer in your family. This scope excels in both quality and performance. Its 70mm multi-coated achromatic objective lens - focal length 700mm focal length (f/10) - gathers 36% more light than a 60mm. And it's made of glass, not plastic, as you'd find in many department store models. The optical tube is supported on a sturdy aluminum tripod with accessory tray. This altazimuth model can also be used for terrestrial viewing. Standard accessories...