Sky-Watcher Evostar refractors provide the finest images obtainable in their design class. These doublet refractors deliver dramatic, coal-black skies and faithful, contrast-rich views of planetary and deep-space phenomenon that are second to none. Sky-Watcher Evostar refractors are the logical choice for the discriminating amateur astronomer looking for an investment in advanced instrumentation for exceptional viewing and astrophotography.
The Deep-sky Imaging Primer covers almost everything you need to know to create beautiful deep-sky images with a DSLR or an astronomical CCD camera. This textbook is printed in full-color, with over 90,000 words and nearly 200 images and illustrations. The book does not shy away from the technical details where they are important, but the focus is on practical advice for the amateur. Both narrowband and standard color imaging techniques are covered. Exercise questions are provided to reinforce the material being covered, and the final chapters contain two start-to-finish image processing examp... [Read More]
General Features Optical Design: Refractor Aperture: 70mm(2.75in) Focal Length: 400mm(15.7in) Focal Ratio: F5.7 Eyepiece1: 25mm(0.98in) Magnification1: 16X Eyepiece2: 10mm(0.39in) Magnification2: 40X Max Magnification: 120 Finderscope: 5*24 Zenith Mirrors: 48°Erecting BAK7 prism Mount: Altazimuth Mount Optical coating: Antireflection Blue Film Barlow lens: 3X Resolution: ≤3.1 Angular Field of View: 2°24"" Tuble connection: Altazimuth Mount Screw Tripod: Aluminium Alloy Tripod(can be adjustable) Shipping Weight: 2.8kg(6.17 lb) Item Dimensions: 24.8in*8.26in*4.33in Product Descriptio... [Read More]
This short focal length refractor telescope gives wonderfully wide views of the night sky! You do not need a big, bulky telescope to enjoy backyard astronomy. Our potent little Orion Observer 80ST Equatorial Refractor Telescope proves otherwise. Compact and hassle free, it's easy to take outside and set up, and easy to bring in when you're done. This versatile telescope's 80mm-aperture objective lens has a short focal length of 400mm (f/5), which makes the Observer 80ST extremely portable and compact. Thanks to the telescope's fast f/5 focal ratio, bright, wide-field views of the stars and dee... [Read More]
In case you already have a favorite telescope mount or tripod, we offer this affordable optical tube version of the portable Orion CT80 80mm Compact Refractor Telescope without accessories. This versatile refractor excels at wide-field observations day or night, and can also be used as a precise guide scope for advanced astrophotography pursuits. When attached to a tripod or equatorial mount and equipped with an optional mirror diagonal and eyepiece and, the CT80 becomes a pleasantly portable rich-field star probe that delivers bright, wide-field views. (All accessories sold separately.) The ... [Read More]
One look at the Orion EON 110mm f/6.0 ED Apochromatic Refractor and its slick gloss-black machined optical tube and you'll know this is an exquisite telescope. This black beauty occupies a desirable sweet-spot for telescopes, especially if you're interested in deep-sky imaging or wide-field observing. The EON's generous, 110mm (4.3 inch) aperture gobbles up photons from faint deep-sky objects and offers ultra-crisp images and great color correction by virtue of the FLP-51 element of extra-low dispersion (ED) optical glass in its air-spaced doublet objective lens. The apochromatic refractor's 6... [Read More]
If you’re in search of a high-quality, professionally designed telescope that is easy to set up and use, the AstroMaster Series 80AZS telescope by Celestron is a superior choice. The AstroMaster 80AZS Refractor Telescope for adults and kids to be used together is a user-friendly and powerful telescope engineered with a lightweight frame and fully-coated optics. Our Celestron telescope features a fully-coated 80mm primary mirror. It also features an AstroMaster Altazimuth manual mount that includes a panning handle that allows you to make precision adjustments to easily follow celestial obje... [Read More]
The lightest telescope in the Inspire series! The Inspire 70AZ is the ultimate telescope for the novice to intermediate astronomer, offers easier transport and storage, and is packed with features never seen before on entry level telescopes. Inspire features fully coated glass optics, a solid altazimuth mount with a unique asymmetrical design, a sturdy steel tripod with integrated fold-up accessory tray, an integrated smartphone adapter, built-in red LED flashlight, large projected reticle finderscope, erect image optics, and a focus micrometer for easily returning to the same focus point. The... [Read More]
Here's a versatile telescope designed to pack up and go whenever you hit the road, the trail, or the air. It excels for daytime birding, nature study, and scenic long-distance viewing, and will take you way beyond the Earth's horizon after sunset for some casual nighttime stargazing and Moon-watching. The 70mm GoScope II features a 70mm-aperture achromatic lens system for high-resolution images of distant subjects. The telescope sets up in seconds on the retractable aluminum tripod which features a three-way pan head and allows smooth, easy pointing of the telescope. It comes with a correct-im... [Read More]
The Astromania 1.25" Variable Universal Camera Adapters allow attachment of a camera body to reflector and refractor telescopes for either prime-focus or telescope eyepiece-projection photography. The adapter's 1.25" nosepiece slides into the telescope's eyepiece holder just like an eyepiece. This Variable Universal Camera Adapter is composed of two detachable parts: a prime-focus adapter (or "T-adapter") for prime-focus photography, and a fixed-length or variable extension tube for eyepiece-projection photography. A thumbscrew in the extension tube holds the telescope eyepiece in place. This ... [Read More]
"The Alstar 1.25" Variable Universal Camera Adapters allow attachment of a camera body to reflector and refractor telescopes for either prime-focus or telescope eyepiece-projection photography. The adapter's 1.25" nosepiece slides into the telescope's eyepiece holder just like an eyepiece. This Variable Universal Camera Adapter is composed of two detachable parts: a prime-focus adapter (or ""T-adapter"") for prime-focus photography, and a fixed-length or variable extension tube for eyepiece-projection photography. A thumbscrew in the extension tube holds the telescope eyepiece in place. This c... [Read More]
Optically fast refractors used for astro-imaging are often plagued by significant field curvature, which is especially noticeable when using CCD imagers with APS-C sized and larger sensors, or DSLR cameras. Our handy field flattener resolves the issue by providing excellent field correction while preserving the focal length attributes of your scope. Designed for use with refractors with focal lengths of 400mm to 660mm and focal ratios of f/5 to f/7.5, the Orion Field Flattener for Short Refractors lets you enjoy the full imaging potential of your fast refractor. Fully multi-coated, 38mm clear ... [Read More]
This Premium Adapter kit includes the parts you will need for both "Prime Focus" and Variable "Eyepiece Projection" astrophotography packaged together in one money saving, easy to purchase kit. The "Variable" feature lets you adjust the adapter length to vary the magnification (thus image size) for perfect framing of your shots. Fits telescopes with a standard 1.25" eyepiece port. The custom made VEPA Plus adapter can hold eyepieces up to 42mm in upper body diameter. It also features a handy laser engraved extension scale for recordability and repeatability as well as a large machined grip rin... [Read More]
REAL BINOCULARS FOR KIDS - With 8x magnification is ideal for kids,Ensures a wide field of view and an image that kids with shaky hands can keep still to ensure a good view.Great for bird
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