The popular SV503 series refractor will provide the best optical quality, whether you use it for Deep-Sky Object or Planets, visual or photography;
The compatible SV193 reducer will increase the field of view and improve the image flatness, which is essential for deep-sky photography;
The SV165 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.
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SV503 Package Deal
Product Name | SV503 70F6 ED Astronomy Telescope | SV503 80F7 ED Astronomy Telescope | SV503 102F7 ED Astronomy Telescope |
Type | Refractor | Refractor | Refractor |
ED Glass | S-FPL51 | S-FPL51 | S-FPL51 |
Coating | SMC | SMC | SMC |
Aperture | 70mm / 2.75-Inch | 80mm /3-Inch | 102mm / 4.01-Inch |
Focal length | 420mm | 560mm | 714mm |
Focal Ratio | f/6 | f/7 | f/7 |
Type of Focuser | RAP (Rack and Pinion) | RAP (Rack and Pinion) | RAP (Rack and Pinion) |
Gear Reduction | 1:10 Fine movement | 1:10 Fine movement | 1:10 Fine movement |
Resolving capacity | 1.97" | 1.5" | 1.17" |
Limit value | 11.3 | 11.6 | 12.1 |
Light gathering capacity | 100x | 130.6x | 212x |
Max. Useful magnification | 140x | 160x | 204x |
Tube weight | 3.35kg | 3.95kg | 5.5kg |
Tube outer diameter | 88mm | 121mm | |
Tube material | Aluminum | Aluminum | Aluminum |
Back Focus Length | 90mm | 90mm | 101.9mm |
OTA Length | 318mm | 465mm | 630mm |
Dovetail & Ring | Yes | Yes | Yes |
Dovetail Length | 150mm | 137mm | 200mm |
Model | SV193 | ||||
SKU | W9152A | W9152B | W9152D | ||
Back focus | 55mm | ||||
Barrel size | M54x0.75 | 2-inch | 2-inch | ||
Threads Standard | M48*0.75 | M48*0.75 | M48*0.75 | ||
Lens Structure | 3-Elements/3Groups | 3-Elements/2Groups | 3-Elements/2Groups | ||
Lens Coating | FMC | FMC | FMC | ||
Blackened Lens Edges | Yes | Yes | Yes | ||
Net Weight | 273g / 9.63oz / 0.6lb | 164g / 5.78oz / 0.36lb | 177g / 6.24oz / 0.39lb |
Model | Svbony SV165 |
Aperture | 30mm |
Focal length | 120mm |
Focal Ratio | F4 |
Hoop and Mount | Yes |
Back Focus Length | 45mm |
Mount | UNC 1/4-20 |
Material | Aluminum |
Surface technology | Sandblasting oxidation |
Model | W2370A |
Length | along the 34mm |
Width of internal slot | 4.2mm |
Horizontal length of internal slot | 36.5mm |
Vertical length of internal slot | 36.5mm |
Can be fixed | M3-M4 screw |
Color | Black |
Weight | 41g |
L*W*H | 45*40*25mm |
1. The popular SV503 series refractor will provide the best optical quality, whatever you use it for Deep-Sky Object or Planets, visual or photography;
2. The compatible SV193 reducer will increase the field of view and improve the image flatness, which is essential for deep-sky photography;
3. The SV165 guide scope is very mini and easy to use, widely used in different Astro-observations;
4. The side dovetail slot provides you with an easy way to install the finder;
5. This combination will provide more choices among different ways to use your SV503 telescope.