The SV503 series deep-sky photography set.
This combination is more designed for Electronically Assisted Astronomy (EAA) such as different cameras.
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Awesome little telescope with a small, but annoying design failure
I got this scope a vew days ago. As expected, the quality of manufacturing is at a very high level. Unfortunately I did not yes have the chance to get a first light with the scope, but I am sure it will produce great images. Although, there is a small, but annoying design failure an the focusser in combination with the reducer/flattener. When you unscrew the visual back and attach the reducer/flattener, there is no mechanical stop on the retracted position of the focusser. So it is possible to push the focusser to far into the tube, until the rack and pinion gearing unscrews and the fucousser can fall into the tube! I will make a small 3D-printed washer, to avoid this. Anyhow, good scope! And I hope I can get my first images soon!
|Product Name||SV503 70F6 ED Astronomy Telescope||SV503 80F7 ED Astronomy Telescope||SV503 102F7 ED Astronomy Telescope|
|Aperture||70mm / 2.75-Inch||80mm /3-Inch||102mm / 4.01-Inch|
|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|
|Light gathering capacity||100x||130.6x||212x|
|Max. Useful magnification||140x||160x||204x|
|Tube outer diameter||88mm||121mm|
|Back Focus Length||90mm||90mm||101.9mm|
|Dovetail & Ring||Yes||Yes||Yes|
|Blackened Lens Edges||Yes||Yes||Yes|
|Net Weight||273g / 9.63oz / 0.6lb||164g / 5.78oz / 0.36lb||177g / 6.24oz / 0.39lb|
1. The popular SV503 series refractor will provide the best optical quality, whether 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.