Orion Deluxe Off-Axis Guider for Astrophotography
by Orion
Our Price: $139.99
Availability: Usually ships in 1-2 business days
Category: Digital Camera
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Digital Photo Product Details
Manufacturer: OrionProduct features:
- Orion's Deluxe Off-Axis Guider lets you image and guide simultaneously through the same astrophotography telescope, eliminating the need for a separate guide scope
- Eliminates tracking problems caused by using a separate guide scope such as differential flexure and mirror shift, and also helps reduce imaging setup time and overall weight
- Compatible with astrophotography autoguiders that feature T-threads or a 1.25" nosepiece, as well as 1.25" illuminated reticle eyepieces
- Attaches to any 2" telescope focuser via the included 2" nosepiece, or onto any T-thread equipped rear-cell. Includes T-extensions of three different lengths (7mm, 17mm, and 30mm) to accommodate different camera/guider combinations
- Features prism tilt adjustment and more than 100 degrees of radial adjustment for easy guide star location. Requires a minimum of 59mm inward focus travel
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Digital Cameras Photo Reviews of Orion Deluxe Off-Axis Guider for Astrophotography
Customer Review: Orion OAG
Summary: 4 Stars
I have tried using a guide scope to guide but the additional weight and the extra set-up time made it impractical for me, so I decided to get an OAG. I have read reviews saying that Orion was the best for it price so I purchased it.
The set-up of this can take a long time, as the instructions really do not help you align your DSLR camera to your scope. I have managed to configure it today.
My set-up is a Canon 1000D, and the scope is an Orion 80ED. To get the guide cam (QHY5) to be in focus with camera I used the following set-up:
Existing 1.25 focuser on the cope with OAG fitted onto it. I then used the T-Ring to screw directly onto the OAg with no extension tubes. For my camera I used both the 7mm (small) and 18mm (medium, the large is definitely 30mm) (I think) total extension 25mm. Now camera and guide cam are in same focus. I had to use that combo because when I received the OAG both extension tubes were so tight that I couldn't separate them and had to sue them in combo. And it is for this reason I give it 4 stars and not 5 because of how it was delivered.
I have not conducted any guiding yet, and my review is purely from a set-up stand point.
P.S. I set-up the OAG in daytime be pointing my scope at a chimney stack quite far away.
Description of Orion Deluxe Off-Axis Guider for Astrophotography
Designed for deep-sky imaging with Schmidt-Cassegrain and refractor telescopes, the Orion Deluxe Off-Axis Guider lets you image and guide simultaneously through a single telescope. This also eliminates tracking problems such as differential flexure and mirror shift that commonly occur when using a separate guide scope. The imaging camera sees the same movement the autoguider sees, resulting in highly accurate tracking for pinpoint stars. Prism tilt adjustment with captive thumbscrew and more than 100 degrees of radial movement allow for easy guide star acquisition. Coarse and helical fine focus adjustments make focusing easy and accurate. The Orion Deluxe Off-Axis Guider can be used with most imaging cameras, including DSLRs, and telescopes with sufficient inward focus travel (requires 59mm). Three different lengths of threaded T-extensions are included (7mm, 17mm, 30mm) to accomodate different camera/guider combinations. Not recommended for use with Newtonian reflectors due to their limited focus travel. One-year warranty.Telescope Accessories
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