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SV503 102ED F7 Telescope - SV193 Field Flattener - SV165 Guide Scope for Deep-sky Observation & Photography

SKU: F9359D-W2370A-W9152D-
US$ 608.99

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.

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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.

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