Grand guide hors axe

Am really Happy with the Purchase, I got the large prism to got better view with smalll and large sensor, I will be more Happy if, Toupteck make the guide Holder at least 3mm shorter to get better focus and easy to set it up with differents telescopes, because if it needs to move the prism a little more deeper, guide needs to go deeper too and sometimes there is not possible to get clear sharp view.
thanks for the great Product.

Works great, bolts straight onto the filter wheel removing risk of tilt. Large prism making getting guide stars easier even at longer focal lengths.

It works as expected and I'm happy with it. Shipped quickly. It eliminated the vignetting I had with the L model when used with a Ritchey Chretien. However, there is some important information missing: a warning that the backfocus of this OAG requires a guide camera or an extended planetary camera to be compatible with the focusing system. There is a fixed 10 mm element between the focusing part and the OAG ring, which unfortunately prevented me from using the GM3 664c that I had previously used with the OAG L. Fortunately, I had a guide camera available. This is a shame because with the wider prism, I would have liked to have a wider sensor such as the GM3 664C.

Large Off-Axis Guider

Excellent quality, I was surprised, it is better than the competition and the after-sales service is luxurious and fast. They take the time to respond and it is personalized. Very different from other providers. Thank you