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!
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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
ZWO Off-Axis Guider (OAG) for Astrophotography
- Lightweight, 16.5mm thick
- Large prism: 8*8mm
- Connect the main imaging camera and the guide camera. No guide scope required!
- Flexible adaption to your camera and telescope, such as M42 and M48.
- Fully compatible with all ZWO ASI cameras
- Good stability and rigid connection to the telescope to minimize flexing of the imaging train
ZWO OAG comes with all adapters you will need for imaging and guiding.
Usage Guide
- Calculate the correct required distance for your imaging train at first. For example you need to attach 21mm extender to ASI071 to reach a 55mm back focus distance:17.5mm+21mm+16.5mm=55mm
- Take off the guider prism part and attach the OAG body to the telescope.
- Insert the prism part into the OAG body.
- Mount the guide camera.
- Screw the T2 or M48 adapter on the imaging camera according to your mount type.
- Mount the camera on the OAG in the correct position and lock the 3 screws in place.
- The final setup.
What's in the Box
Specifications
Additional Articles, Videos, and Links
External Links
Astrophotography for Beginners Step 4: Shooting Deep-Sky Images
Taking deep sky pictures can be daunting, luckily there is an easy process to follow to allow you to get great shots! Here is the typical process for actually taking deep-sky images in the field.
Astrophotography for Beginners Step 3: Choosing Gear for Deep-Sky Imaging
Using a star tracker gains you experience with the fundamentals of deep-sky imaging. Shooting the Moon gains you experience focusing and framing through your telescope. Through your sessions you’ll...
Astrophotography for Beginners - Start Here: Getting into Astrophotography Step by Step
Shooting the night sky has never been more popular, nor easier. The choice of equipment has also never been better, or more affordable. However, as per the advice given by Dickinson and Dyer in the...
Astrophotography for Beginners Step 1: Using the Star Adventurer Tracker
By far the most economical and easiest way to capture beautiful images of the Milky Way and large deep-sky objects like the Andromeda Galaxy (shown here) is to use a star tracker. Here are steps an...
Astrophotography for Beginners Step 2: How to Shoot the Moon
Close-ups of the Moon are rewarding, and an easy way to learn to shoot through your telescope. While good results are possible with a phone camera clamped to an eyepiece (as shown below), this tuto...