- 102mm objective lens diameter and f/7 focal ratio telescope OTA; large objective lens brings more lights into the scope body and you will get more bright and clear image;
- Doublet air spaced achromatic S-FPL51 ED glass provides you less chromatic aberration image;
- Crisp Image; ultra wide band multi-layer coating technology; 102mm aperture optics and retactable lens hood deliver bright wide-field images with sharp resolution;
- 90mm back focus; it comes with dual focus rack and pinion focuser with focus knob cover; you can get precious focus easily;
- Package includes; 102mm refractor OTA; 2 inch to 1.25inch adapter;OTA rings and dovetail; objective focuser wheel cover; a package with die-cut foam insert.
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SV503 Astronomical Telescope 102mm F7 ED Refractor OTA
ED Extra Low Dispersion Glass
Dual-speed Rack & Pinion Focuser
1.17 Arc-second Resolution
Compatible With 1.25"/2" Adapters
OTA Rings With Dovetail
Wonderful
I bought this scope over five weeks ago and wished to share my experience with you.
Wow, this telescope really delivers excellent views. I can honestly say that there is no chromatic abberations what's so ever either low or high power. I have had the best views of Venus, jupiter, mars, star clusters and nebulas I have ever seen in my life. The planets all showing increadable details in fact, I recently took mars upto x350 for great details that I wanted to knock on my neighbours doors and drag them out to have a look but reality took hold and I said to myself that they would not understand. I have been stargazing for well over thirty years and have had dozens of scopes. I currently have a 127mm maksutov telescope and 90mm doublet refractor and the svbony sv503 102mm ED totally blows them away. This scope is a keeper and want to say a big Thank you to svbony for a wonderful telescope.
The 503 102 is a good choice.
The 503 102 is a good choice. It is just big enough to enjoy some details in distant DSOs and small enough to get a decent field of view as well. Alternatively, I have opted to not use the reducer/flattener to maximize focal length for some targets as well.
Pretty good
I have tested it's SV503 102mm refractor. Pretty good, stars are sharp and round everywhere. Light weight too .
GREAT VALUE !
Great scope for Astrophotography beginners. It is well constructed and made solid. It's compact. Easy to breakdown, pack it up and move around. However, I only had once chance to use it since received. Mostly cloudy nights, not good for observations. During the one night used, it performed great with my onboard planetary software, PHD2, Sharpcap and CDC. I was able to capture the M42 briefly as a test run. It turned out well for the first time. This is a great scope considering the cost. I was looking for something that wouldn't break the bank. I'm totally satified with it. I went further installing the ZWO EAF auto focuser. It works great and perfect match for the scope, easy to install.
The ZWO ASI533 mc pro camera is compatible with the scope. Perfect match.
I highly recommend this scope for beginners, like me!
Very Impressive Telescope
I bought the SV503 102ED telescope back in April of 2024. I was very impressed with the construction of the scope and the apparent overall quality. It took a few months for me to find a mount for it, but I did find one. Mount a little wobbly, but it works for now. I the scope to an Open House at an Observatory my astronomy club helps out with and everyone that looked through it was amazed how clear everything looked through it. I do have to say that the view though this scope is amazing compared to my other scopes. The only other telescope I have that beats this one is my light bucket 12inch Dob. I would and have recommend this telescope to anyone regardless of what level they are at. Good beginner, intermediate, or advanced telescope. This one will be in my collection for a very long time. GOOD JOB SVBONY!!!!!!
Great Telescope! Research the attachments you need first
Really love the image quality and sharpness you get out of this! Absolutely incredible scope coming from a beginner that has only used an entry level Newtonian reflector. I am having to buy various attachments as I realize what I need, but I suppose that just comes with getting in to a new hobby. For attaching a canon camera, I need to use an svbony canon to 48mm adapter, along with the 48mm to 1.25” adapter that came with it, but if I want to buy the 0.8x field flattener, then i can use the canon to 48mm adapter *without* the 1.25” adapter. But the field flattener won’t work with the other 1.25” adapters I have.
Anyhow, that has nothing to do with the scope itself! Construction is top notch. I definitely recommend this Refractor!
An excellent semi-apo refractor
This refractor has a fantastic price performance and quality ratio. The image quality is significantly better than that of a 102/1000 mm F10 achromat, which I used before purchasing the Svbony 102/714 mm ED. It's focuser is also excellent, very smooth and pleasent to use.
I highly recomand this telescope.
Great combination for astro and nature
Have had my SV503 102mm for a few weeks now and is very pleased. Changed out my 10" dob for the SV503 to get more usage and flexibilty. And what a pleasant surprice it has been. Bought it with a SA409-SA410 tripod and a SV222 prism and a few baader hyperion i already owned to get a big spotting scope and a vercitile optical astro telescope. It matches my fathers more expencive spotting scope in the nature and excel it on astro objects. I can easily see the individual rings of saturn and the bands and spot on jupiter. Havent had the chance to watch andromeda or the orion nebula yet.
I will have many nice sessions with it for years to come. Very pleased with my purchase and would higly recomend the SV503
A GREAT FIRST PURCHASE
I bought a SV503 102mm ED as my first ever scope in early 2022. It has proven to be a sturdy and well manufactured piece of equipment that is a pleasure to use for astrophotography. There is no evidence of any fringing or aberration in my images. The focuser is very smooth to use and remarkably stable over a deep-sky photography session. The auto focuser was easily installed as per SVBony's recommended method and handles the task without difficulty. Teamed up with the SV106 guide scope and Phd2 software, the combination produces clear and well contrasted images.
There is some field curvature out near the edges of the images but I am confident that the flattener that I have on order will fix that.
I have to say that I actually much prefer using the SV503 rather than my more recently purchased 8" SCT.
All in all, a great buy..!!
Excellent optics and picture quality
I purchased the SV503 102ed scope and the sv193, 0.8 reducer and just last night had the chance to put it to use. I added the sv503 70mm scope as it's guide scope. Added the ASI1600mm pro camera and after the Horsehead Nebula was in striking distance, I managed to get a few HA shots and then stacked them. Only using 5 images at 5 minute subs, I was blown away at the quality of the picture. Of course, using Narrow band filters there was no CA at all, even still, I was thoroughly impressed and pleased with the quality of the pictures. SVBONY did an excellent job with this scope. There is no place to add a picture here otherwise I would have shared that with you.
| Product Name | SVBONY SV503 102F7 ED Astronomy Telescope |
| Type | Refractor |
| ED Glass | S-FPL51 |
| Coating | SMC |
| Aperture | 102mm / 4.01-Inch |
| Focal length | 714mm |
| Focal Ratio | f/7 |
| Type of Focuser | RAP (Rack and Pinion) |
| Gear Reduction | 1:10 Fine movement |
| Resolving capacity | 1.17" |
| Limit value | 12.1 |
| Light gathering capacity | 212x |
| Max. Useful magnification | 204x |
| Tube weight（with rings） | 5.7kg |
| Tube outer Diameter | 121mm |
| Tube Material | Aluminum |
| Back Focus Length | 101.9mm |
| OTA Length | 630mm |
| Dovetail & Ring | Yes |
| Dovetail Length | 200mm |
| product Dimensions | 690mm*210mm*250mm |
Features
- 1. The appearance of the telescope is baked with high-end fine-grained paint, with exquisite appearance and delicate feel
- 2. The objective lens features an S-FPL51 extra-low dispersion glass ED element, which eliminates chromatic aberration. This results in the best color correction for an ED doublet lens
- 3. The lens adopts optical processing and low polishing technology, which is carefully carved
- 4. The deceleration ratio of the two-speed 2'' toothed focusing seat is 1:10, which makes it easy to achieve accurate focus
The Real Shot Image by SV503 102mm OTA
The Bundle Set of SV503 102mm by Our Clients
Applicable Accessories
US$ 34.99 ~ US$ 69.99
