Telescope-Accessories-Celestron OAG Off Axis Guider

Streamline Your Guiding Setup!

Condense your astrophotography equipment with the Celestron OAG Off Axis
Guider! Slotting in between your telescope and camera this accessory allows
you a more streamlined and simplified guiding solution. Remove a quidescope
from your equation, with this solid imaging train upgrade!

This off axis guider from Celestron is the perfect companion for their
excellent EdgeHD line of SCTs, as well as a solid option for long back focal
length telescopes! Housed in its sturdy frame are two 360° rotators and a
high quality helical focuser, which help overcome some of the common issues
with OAGs; providing you with the tools you need to find and focus stars into
your auto-guider! With a premium feature set like this it is easy to take your
experience to the next level and eliminate the mis-alignments, separate dew
heaters, extra focusing, and additional bulk of an external guiding solution!
Helping you hit the ground running is a number of different adapters and
spacers, as well as a number of system diagrams for Celestron’s popular EdgeHD
SCT telescopes.

Excellent EdgeHD Solution

The Celestron OAG Off Axis Guider is an excellent add-on for longer backfocus
scopes such as the incredible
EdgeHD series! Adding this autoguiding accessory to your Celestron EdgeHD can seem
daunting, but with just a bit of guidance your setup will be honed in no time!
Using the included OAG adapters, the spacers or T-ring needed to set your
camera at 55 mm,
Celestron Large SCT and EdgeHD Adapter V2 for Off-Axis Guider
(sold separately) if you’re using an EdgeHD 925 or larger, and the charts
below, you can set up your imaging train — no calculations required!

Robust Guiding Solution

The Celestron OAG Off Axis Guider features a number of adapters and precise
tuning controls to help dial in your autoguiding solution!

Adaptable Out of the Box
This OAG can fit in to a
number of different imaging trains out of the box thanks to a healthy number
of included adapters. With the Celestron OAG Off Axis Guider you receive an
SCT adapter, male M42 adapter, male M48 adapter, female M42 adapter, female
M48 adapter, a set of T-thread spacers (6 mm, 11.55 mm, 24.25 mm), and a
11.55 mm M48 spacer. These adapters will have your EdgeHD 800 series scope
and a DSLR and T-ring or a dedicated astro camera with 55 mm spacers working
from the get-go, with EdgeHD 925 and up covered with this kit and the
Celestron Large SCT and EdgeHD Adapter V2 for Off-Axis Guider
(sold separately). This adapter set can additionally be used to build
imaging trains with many uncorrected imaging trains. For non-EdgeHD
telescopes using correctors, such Celestron SCTs with the
Celestron f/6.3 Focal Reducer Corrector for SCT Telescopes
or corrective elements designed for 55 mm back focus, you may need separate
adapters. For more information please see the manual (available in the
Product Attachments tab) as well as our article
How to Connect a Camera to a Telescope
for more information on integrating this into your imaging train of choice!

Fine Calibration Control
Ensuring your guide camera
has a focused and clear view of a star without impacting your imaging
camera’s view into the night sky has been made simple on the Celestron OAG
Off Axis Guider! With independent 360° rotation on both the telescope
and camera connections, positioning the multi-coated 12.5 mm pick-off prism exactly where
you need it is as simple as loosen, twist, and re-tighten! Finding focus is
similarly straight-forward, with a helical focuser sporting 8 mm of
adjustment, a focus lock/unlock thumbscrew, and a combination 1.25″ barrel
connection & M42/T-threads guide camera connection.