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SV503 ED Telescope-SV193 Focal Reducer / Flattener

In Stock Unavailable
SKU: F9359-W9152

Regular price US$ 531.99

The SV503 series deep-sky photography set.

This combination is more designed for Electronically Assisted Astronomy (EAA) such as different cameras. 

The SV193 for 102ED is out of stock.



The 70ED backfocus



The 80ED backfocus


The 102ED backfocus

Hubble SHO Palette

SV503 102ED+SV193 +SV106 finderscope


M31 by Tomasz Maro

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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
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" 1.97" 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 2.22kg 3.95kg 5.5kg
Tube outer diameter 88mm 121mm
Tube material Aluminum Aluminum Aluminum
Back Focus Length 90mm 90mm 101.9mm
OTA Length 318mm 630mm
Dovetail & Ring Yes Yes Yes
Dovetail Length 150mm 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

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