Περιγραφή
The off-axis guider offers your a simple method of autoguiding your telescope for astrophotography. There is no need to mount a guidescope, rather a guiding camera tracks stars which are deflected from the telescope’s optical path close to the imaging camera’s sensor.
An advantage of this method is that the guide stars are located within the area of sky close the astrocamera. So you track the stars which are next to your desired object and avoid errors caused by differential flexure and guide-scope misalignment.
This off-axis guider convinces with a versatile adaptation for almost all telescopes and cameras – usable up to full frame format.
The Askar M54 OAG is a nicely made wide aperture Off Axis Guider that will not vignette even when used with full-format cameras.
Features a large 10mm x 10mm Prism that delivers a wide and bright field so easier to find suitable guide stars.
Includes threaded M42, M48, and M54 adapters to easily interface with a wide range of cameras and three threaded 18mm extender rings to help you achieve standard 55mm back focus when using cameras with a sensor recess distance of 17.5mm (most ZWO and Starlight Xpress Cameras).
Also includes M42 and M48 adapters and an M54 gasket for use on the telescope side.
The top of the OAG has a 1.25” adapter and M42x0.75 threads for attaching most guide cameras and a scaled helical focuser with 10mm of travel to help you achieve focus with the guide cam.
The Askar M54 OAG has an optical thickness of only 19.5mm so is ideal for situations where back focus is limited.
Features:
- Askar M54 off-axis guider supports imaging with up to full-frame astronomy cameras
- Includes M42, M48, and M54 adapters and extension rings to attach to a wide range of cameras
- Interfaces with guide camera with included 1.25” adapter or standard M42 thread
- Large 10mm x 10mm prism makes it easier to select guide stars
- Made from black-anodised CNC-machined aluminium
