• 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; SV503 80mm F7 astronomy telescope SV503 would be better begin for astronomy amateurs to do astrophotography;

Get 0.8x Reducer/Flattener for SV503 80ED

• 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.

Note: The SV503 70ed is designed with f/6 focus ratio. When reducing the focus further, the image quality will not be guaranteed. This is why 0.8x flat field is not available. 

Set Includes:

• SV503 70ED F6 refractor, SKU: F9359A
• SV182 6x30 Straight-Through Metal Finderscope, SKU: W9141A
• SV158 75mm Extension Tube 2 inch, SKU: W9119A
• Universal Dovetail Slots, SKU: W2370A

Note: The SV503 70ed is designed with f/6 focus ratio. When reducing the focus further, the image quality will not be guaranteed. This is why 0.8x flat field is not available. If you need flat field for telescope, we suggest choosing SV503 80 f/7 refractor.

The SV503 series includes SV503 102ED telescope refractor OTA and SV193 0.8x flattener & focal reducer. It is suitable for visual observation and deep-sky photography.

This SV503 Refractor 70mm ED F6 Telescope Bundle Set includes SV503 70ed f/6 refractor, SV188P diagonal, SV182 6x30 metal finderscope, SV207 1.25inch 8/15/25mm eyepieces and a dovetail slot. It is portable and suitable for astronomical observation.

The popular SV503 series includes SV503 102ED refractor OTA, SV193 0.8x field flattener & focal reducer, SV165 mini guide scope, the side dovetail slot, the SV226 filter drawer and SV211 red handle bar. This bundle set will provide the best optical quality, whether you use it for Deep-Sky Object or Planets, visual or photography.

The SV503 series includes SV503 80ED telescope refractor OTA and SV193 0.8x flattener & focal reducer. It is suitable for visual observation and deep-sky photography.

Enhance your SV503 80 experience with our recommended accessories! Introducing the SV193 flat field flattener/focal reducer, versatile multifunctional dovetail slot, and SV211 telescope handle bar for added convenience. But wait, there's more! Customize your setup with our hot-selling SV220 2inch dualband narrowband filters and SV172 PWM function 430mm dew heater strip.

Explore the perfect combinations in bundle1, bundle2, and bundle3 for a truly optimized astrophotography experience. Upgrade your SV503 80 today and capture the stars like never before!

This SV503 80/102ED Telescope Bundle Set includes SV503 ED series refractor OTA, SV188p diagonal, SV191 7.2-21.6mm zoom eyepiece, SV182 finder scope and a 1.25inch UHC ultra high contrast filter.

This sv503 set connected for prime focus astrophotography, can give you more playing methods.

this sv503 set connected for prime focus astrophotography,give you more playing methods,let's try it now,any questions,contact us freely!

Set Includes:

• SV503 102ED Refractor OTA Telescope, SKU: F9359D
• SV193 Focal Reducer, SKU: W9152D
• SV188P Diagonal, SKU: F9171B
• 2inch UV/IR Cut Filter, SKU: F9127B
• SV211 203mm Handle Bar, SKU: W9163B

This SV503 set connected for CMOS astrophotography,give you more playing methods,let's try it now,any questions,contact us freely!

This sv503 set connected for Eyepiece Projection astrophotography, Not include eyepiece,you can choose eyepiece from svbony website.

This SV503 telescope combination set includes a 102mm ED F7 refractor telescope, a SV223 90 degree diagonal mirror, a SV182 6x30 right-angle correct-image optical finder scope, a SV211 203mm saddle handle bar and a universal dovetail base. It is a suitable telescope visual set for astronomy.

• 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;OTA rings and dovetail; objective focuser wheel cover; a package with die-cut foam insert.

Get the 0.8x Reducer & Flattener for SV503 102ED

This SV503 102ED telescope bundle set includes 102ed f/7 refractor OTA, SV193 focal reducer, SV211 handle bar(screws and mout screws inside) and SV188P diagonal 1.25 inch. It is worth mentioning that, since the 503 comes with 1.25-inch and 2-inch adapter rings, it can easily connect to any 1.25- or 2-inch zenith mirror, barlow lenses, eyepieces or other optical components without purchasing additional adapter separately. 

This SV503 Telescope Set is suitable for astronomical visual observation.

• Photography Set Includes:
• SV503 102ED Telescope, SKU: F9359D
• SV193 2-Inch 0.8x Focal Reducer / Filed Flattener, SKU: W9152D
• SV211 203mm Telescope Handle Bar, SKU: W9163B 
• Universal Dovetail Slots, SKU: W2370A
• SV172 Dew Heater Strip, SKU: W9132D

• The popular SV503 80ED F7 telescope refractor will provide the best optical quality, whether you use it for deep-Sky objects or planets, visual or photography.
• The compatible SV193 0.8x field flattener & focal reducer will increase the field of view and improve the image flatness， which is essential for deep-sky photography.
• The SV165 30mm F4 guide scope is very mini and easy to use, widely used in different Astro-observations.
• The side dovetail slot provides you with an easy way to install the finder. 

• The SV503 series telescope with the popular dovetail system;
• Easy to connect the finder and do balance work;
• Aluminum alloy and brass handy knob material provide solid protection.

The popular SV503 series 70/80/102 mm ED telescope with side dovetail slot, more choice for your Astronomy hobby.

• SV211 is a comfortable and convenient carrying handle, easy to carry, you can take it off and install it on a tripod at any time;
• There is also a neat integrated saddle designed to accept SV198 or other brands of boot range and viewfinder range;
• Full CNC integrated finishing anodized aluminum, hard metal texture, firmly fit on your telescope;
• Compatible products OTA: SV503 (70F6  80F7) SV550 (80F6), make it more convenient for you to use.