Description

Product Description . SV503 102mm are suited for those in astrophotography who want to observe binaries, compact nebulae, and star clusters. Besides, it is also suited for those to pick up more details about planets.as well as casual terrestrial,viewing wildlife, scenery; Extra-low Dispersion Glass: S-FPL51 ED(Extra-low Dispersion) S-FPL51 is built in SV503 astronomical telescope. ED glass minimizes the effects of the secondary spectrum and reduces chromatic aberration to a remarkable degree. The high-quality 2-Element objective provides sharp and high-contrast images for travel and mobile use. Ultra-wideband Super Multi-coated Ultra-wideband super multi-coated is claimed as a remarkable seven-layer lens coating process that cuts the reflection ratio down to just 0.2% per lens surface. The result is a dramatic improvement in both color fidelity and brightness and the elimination of flare and ghost images. Dual-speed Rack and Pinion Focuser The gear ratio of the dual speed 2-inch toothed focuser is 1: 10, which makes it easy to achieve accurate focus. The dual speed focuser can provide two focusing speeds by using a set of co-axial knobs, one for fast focusing and the other for fine focusing. 90mm Back Focus The 90 mm back focus and 360 degree adjustable focuser are sufficient for your astrophotography needs, allowing perfect framing of your astrophotography. And the 2" RAP (rack and pinion) focuser holds more-than-5kg heavy photographic accessories safely. 1.97 Arc-second Resolution The SV503 ED astronomical telescope can reach 1.97 angular seconds to let you see finer details either in astronomy or wildlife viewing. Comes With a 2"-1.25" Adapter The telescope scope focuser comes with a 2 inch to 1.25 inch adapter. So that you could also use all your 1.25 inch accessories with the SV503 telescope. Metal Hoop with Dovetail The SV503 comes standard with adjustable tube rings and dovetail which allows it to attach to most telescope mounts. In addition, there are 1/4 inch threaded holes on the dovetail plate to attach to tripods and M6 holes on top of the tube rings to attach a guide scope. SV503 102mm For Nebulae For Nebulae SV503 102mm are suited for those in astrophotography who want to observe binaries, compact nebulae, and star clusters. Besides, it is also suited for those to pick up more details about planets. CNC Machined Technology Good touch feeling and durable. SV229 is an ideal choice for viewing the sun, and it conforms the standard ISO 12312-2: 2015. A must-have to observe the sun without damaging your eyes - optical filter fits snugly over your telescope's aperture. You can use it with confidence. The solar filter can used in solar observation, solar eclipse and sunspots,do not look directly into the sun without the protection of the filter. The Solar Filter provide a clear, crisp sunspots, solar eclipses, granulation through telescopes and binoculars view while rejecting harmful ultraviolet and infrared radiation. The sun will appear in a natural orange color when viewed through your telescope using this Solar filter. Works with your existing telescope It can work with your existing telescope; compatible with svbony SV550-122mm telescopes; you can use it to observe solar eclipse; sunspots below 100X. Great view and image; this filter features an orange tint; producing a natural look perfect for visual observing and capturing images through your telescope. The SV229 features with auminum frame; compared with other plastic frames; our aluminum frames are more stable and durable. Three metal screw cap and clamping screws with protective plastic caps - ensure a perfect fit. The diameter is adjustable, you can according to your needs to adjust the filter diameter. Adjustable diameter The inside diameter of 140mm; it is designed to fit optical tubes with an outer diameter of 118mm to 159mm Inspect your filter before every use. Do not use if damaged, torn, punctured, or separated from the frame in any way. about svbony