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SVBONY SV503 70ED Refractor Telescope OTA +SV165 30mm Guide scope+Dovetail Base For Sale


SVBONY SV503 70ED Refractor Telescope OTA +SV165 30mm Guide scope+Dovetail Base
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SVBONY SV503 70ED Refractor Telescope OTA +SV165 30mm Guide scope+Dovetail Base:
$409.99

1. The appearance of the telescope is baked with high-end fine-grained paint, with exquisite appearance and delicate feel2. The objective lens features a S-FPL51 extra-low dispersion glass ED element, which eliminates chromatic aberration. This results in the best color correction for an ED doublet lens3. The lens adopts optical processing and low polishing technology, which is carefully carved4. The deceleration ratio of the two-speed 2'' toothed focusing seat is 1:10, which makes it easy to achieve accurate focus SV503 collocation recommended

Multi-function OTA: suitable for shooting sun and moon, landscape scenery, deep space photography (works better with 1/2 or 1/3 inch sensor, the pixel size in 3μm-5μm, and need to match the SV193(not included).

  • The SV503 comes standard with adjustable tube rings and dovetail which allows it to attach to most telescope mounts.In addition, there are1/4inch and3/8 inch threaded holes on the dovetail plat to attach to heavy duty tripodsandM6 holes ontop of the tube ringsto attach a guidescope.
ED(Extra-low Dispersion) S-FPL51

ED(Extra-low Dispersion) S-FPL51 is built in SV503 astronomical telescope. ED glass minimizes the effects of the secondary spectrum and reduces chromatic aberrationto a remarkable degree. The high-quality 2-Element objective provides sharp and high-contrast images for travel and mobile use.


  • Ultra-wideband Super Multi-coated

    Ultra-wideband super multi-coated is claimed as a remarkable seven-layer lens coating process that cuts the reflection ratio down to just 0.2% per lens surface. The result is a dramatic improvement in both color fidelity and brightness and the elimination of flare and ghost images.

  • 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. The dual speed focuser can provide two focusing speeds by using a set of co-axial knobs, one for fast focusing and the other for fine focusing. ;

  • 90mm Back Focus

    The 90 mm back focus and 360 degree adjustable focuser are sufficient for your astrophotography needs, allowing perfect framing of your astrophotography. And the 2" RAP (rack and pinion) focuser holds more-than-5kg heavy photographic accessories safely. ;

  • 1.97 Arc-second Resolution

    The SV503 ED astronomical telescope can reach 1.97 angular seconds to let you see finer details either in astronomy or wildlife viewing.;

  • Comes With a 2"-1.25" Adapter

    The telescope scope focuser comes with a 2 inch to 1.25 inch adapter. So that you could also use all your 1.25 inch accessories with the SV503 telescope.;

  • CNC Machined Technology

    Good touch feeling and durable;

  • Metal Hoop with Dovetail

    The SV503 comes standard with adjustable tube rings and dovetail which allows it to attach to most telescope mounts. In addition, there are 1/4 inch threaded holes on the dovetail plate to attach to tripods and M6 holes on top of the tube rings to attach a guide scope.;


SV503 70ED Reviews

Author: Simon McNally,Flaming star nebula and the tadpole nebula

Svbony Sv503 70ed with OVLx1 flattener,Canon 600d Ha mod,Moon and skyglow filter,Guiding Svbony sv305 with 50mm guide scope,Astroberry controller

3hour 20mins of 90s exposures at iso800 with calibration frames,Stacked and edited in Siril and gimp

TipswithSVbony

Q: only buy the SVBONY SV503 ED telescope is enough for doing astronomy photography?

A: No, this is just a beginning.Only the Telescope Tube, you can do nothing. You need to prepare some accessories for it. Then set up all the accessories with the telescope tube, then do the observation or astrophotography.

Q:Only using the SV503 do Moon observation?

A:I don’t recommend you start astronomy with SV503, you can start to buy a small telescope. That is enough.e.g. sv501p telescope 。

If you really want to start doing Moon observation or solar observation (you need a solar filter) with the SVBONY sv503, then here are the accessories you need.

Diagonal

Eyepiece

Finder scope (if you want one)

Mount (support the telescope & accessories’ weight)

Like this:

Q:I want to do some photography with the SV503 ED telescope. because many astronomers own the SV503 telescope is using it do deep space photography.i want to do this too

A:Of course you can too,then you need

Main photography camera

Photography extension tube

Dovetail for connecting finder scope (with screws)

Finder scope

Guiding camera (if want one)

like this:

Also you could connect a Nikon or Canon camera to the telescope tube.

Accessories needed:

Canon camera ( Of course)

Camera adapter

Photography extension tube

Like this :

about svbony

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