Binoculars And Telescopes By SVBONY

• Quality Optics; SV503 Telescope's objective lens features an S-FPL51 extra-low dispersion glass ED element; which virtually eliminates chromatic aberration
• SV503 telescope can be for experienced observers; but also for ambitious beginners;With SV503 you will get the most authentic Image; can be satisfied with more discerning observers
• Doublet air spaced achromatic; quality 2-Element objective provides sharp and high-contrast images for travel and mobile use
• 2-inch rack and pinion; the 2 inch RAP focuser holds heavy photographic accessories safe
• Area of application; you can apply SV503 OTA to astrophotography; moon; nature observation; nebulae and galaxies

• 102mm objective lens diameter and f/7 focal ratio telescope OTA; large objective lens brings more lights into the scope body and you will get more bright and clear image
• Doublet air spaced achromatic S-FPL51 ED glass provides you less chromatic aberration image
• Crisp Image; ultra wide band multi-layer coating technology; 102mm aperture optics and retactable lens hood deliver bright wide-field images with sharp resolution
• 90mm back focus; it comes with dual focus rack and pinion focuser with focus knob cover; you can get precious focus easily
• Package includes; 102mm refractor OTA; 2 inch to 1.25inch adapter;metal hoop and dovetail; objective focuser wheel cover; a package with die-cut foam insert

• Extra-low dispersion glass; SV503 Telescope OTA is designed with ED glass; will give you the crystal clear image; SV503 80ED telescope produces an especially colour true and high contrast image; just right for more discerning observers
• 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
• Top-quality material; the appearance of the SV503 OTA is baked with high-end fine-grained paint; with exquisite appearance and delicate feel; all machined by CNC
• All optical surfaces multi-coated; the whole optical lens adopts the technology of ultra-wideband multilayer coating; 80mm aperture; fully multi-coated ED optics deliver outstanding views; day or night
• Areas of application; 80mm F7 astronomy telescope SV503 would be better begin for astronomy amateurs to do astrophotography

• 8x50 finder scope; 50mm large objective lens enables more light to enter; providing a bright image; making it easy to aim anywhere in the sky; a large field of view of 7.3 degrees
• Erect image and humanized design; built-in BK7 correct-image roof prism ensures right-side-up; left-to-right correct views; which is in line with the basic observation habits of people
• Dark field illumination function; under extremely dark observation conditions; the red LED illuminator can illuminate the reticle; assist observation and facilitate finding the target
• Glass reticle; the glass reticle has higher seismic stability; high precision and long service life; at the same time effectively avoids the problem of the cross line blocking the target
• Objective lens thread focus and reticle parallax compensation adjustment; ensure the target and the reticle are in the same focal plane; angle adjustment control knob can adjust the reticle and observation angle

• 90-degree design; SV222 90 degree diagonal mirror provides a better observation experience when visually observing
• Extinction thread; Extinction thread prevents stray light from entering; ensures observation quality
• 1.25 inches thread; 1.25 inches SV222 telescope diagonal can connect filter; meet various needs of customers
• Locking mechanism; SV222 90 degree diagonal mirror ensure the stable installation and use of the eyepiece; not easy to fall off
• 99% high reflectivity; telescope accessory have large amount of light transmission; good imaging effect

• 1.25-inch aperture; SV222 45 degree diagonal is 1.25-inch aperture; strong versatility; can be applied to 1.25-inch eyepieces and astronomical accessories
• The image is clear and bright; correct image diagonal adopts a 45-degree upright prism; with full multi-layer coating and phase coating; the image contrast is high; the picture is clear and bright
• Delustering design; blackened and baffled inside; it can prevent internal stray light reflection
• Metal material; 1.25 inch SV222 telescope diagonal is made of aluminum alloy metal material; with black anodizing; sturdy and durable
• The installation is stable; brass pressure ring design; SV222 45 degree diagonal is firmly connected with the eyepiece and does not shake; it will not scratch the eyepiece

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