Why Purchase from All-Star Telescope?
Free Expert Support
Whether you are a first timer needing help with setting up or an enthusiast that can't quite make that one thing work, our expert staff are ready to support your needs. With decades of knowledge and first hand experience we've been there and we can help you through it!
Stress Free, Secure Transactions
You can trust purchasing and delivery with All-Star Telescope. All of our transactions are 100% secure and Level 1 PCI DSS compliant thanks to Shopify's ShopPay platform. For additional protection, we insure 100% of the value of every shipment we make. If it get's lost during shipment, we replace it. If it gets damaged during shipment, we replace it. We make sure your product arrives exactly as you would expect it to; we promise.
We also ensure privacy protection. We never keep any of your credit card information on file and any of your personal data is stored according to our policies.
30 Day Return Policy
Buy with confidence knowing that we accept returns up to 30 days after purchase. We want you to have something you will actually use and we are confident that we keep good quality products in our store with No Junk.
Price Match Promise
Shipping around for the best price is tough, we make it easier by offering the best pricing in the market. But if you find a better price on an in-store item somewhere else we will match it!
Product Description
iOptron’s 250mm (approx. 9.8") f/4 Newtonian optical tube assembly (OTA) with a fast F/4 focal ratio is perfect for imaging deep-sky objects with a DSLR or dedicated astronomy camera. The 3.25" Crayford-style focuser, dual split-hinged mounting rings, an 8x50 straight-through finder, and an 13" Vixen style dovetail plate make it ready to attach to your mount and start using.
What can I see with a iOptron 10-inch F/4 Imaging Newtonian iEAF compatible (6313)?
Here are some simulated views of common objects. Results with your telescope will vary with viewing conditions, obrits, equipment and more.
Jupiter with
25mm Eyepiece - 40x Magnification
(Sold Separately)
Jupiter with
10mm Eyepiece - 100x Magnification
Sold Separately
Jupiter with
5mm Eyepiece - 200x Magnification
Sold Separately
Moon with 25mm Eyepiece
40x Magnification
(Sold Separately)
Moon with 10mm Eyepiece
100x Magnification
Sold Separately
Moon with 5mm Eyepiece
200x Magnification
Sold Separately
Andromeda with 36mm Eyepiece
28x Magnification
Sold Separately
Andromeda with 25mm Eyepiece
40x Magnification
(Sold Separately)
Andromeda with 10mm Eyepiece
100x Magnification
Sold Separately
What's in the Box
Specifications
| Optical Design | Newtonian |
| Clear Aperture | 250mm |
| Focal Length | 1000mm |
| Focal Ratio | f/4 |
| Focuser | Dual speed Crayford-style |
| OTA Length | inches |
| Outside diameter | 12 inches |
| OTA weight | 34lb. 1oz |
| Extension tube | 2" diameter 35mm L |
| Warranty | One year limited |
