Baader Planetarium 2" Prism Star Diagonal with BBHS Coatings & 2" ClickLock Eyepiece Clamp
The Baader Planetarium 2" Prism Star Diagonal has been discontinued, but here's another option:
The Baader Planetarium 2" Prism Star Diagonal has been discontinued, but here's another option:
Fitted with a twist lock apparatus and a highly affordable price tag, the Apertura 2” Twist Lock Prism Star Diagonal is the perfect alternative to this Baader Planetarium 2" Prism Star Diagonal. This premium-constructed visual tool accepts both 2” and 1.25” accessories and holds them steady with a non-marring brass compression ring. Engineered for excellence, this Apertura 2” Twist-Lock Prism Diagonal ensures maximum light throughput for peak brightness within your eyepiece. Be sure to check out this fantastic star diagonal today!
Baader 2" 90º Prism Star Diagonal with BBHS Coatings
- The Baader 2" Prism Star Diagonal features a 90º right angle prism made to Zeiss specifications.
- Seven layers of Baader's famous BBHS multi-coatings yield bright images with beautiful contrast.
- Precision aluminum housing supports the optics with excellent angular accuracy.
- The 2" clicklock eyepiece holder and 2" nosepiece can be removed, allowing you to adapt the diagonal base to the Baader Clicklock System if so desired.
More About the Baader 90º 2" Prism Star Diagonal
The Baader Planetarium 2" Star Diagonal is a quality piece of astronomical equipment, from the finely machined aluminum housing to the prism, which was made for this Baader diagonal to Zeiss specifications . The famous Baader 7-Layer Multi-Coatings ensure the image is bright and contrasty. The 2" clicklock eyepiece holder includes two thumbscrews to lock your eyepiece securely in the holder without slippage. The telescope side of the diagonal features a 2" nosepiece, allowing insertion into a standard 2" focuser or rear cell adapter. Both the eyepiece holder and the nosepiece can be removed to expose SCT male and female threads, respectively. This allows you to adapt the prism base with the addition of a wide range of adapters and components, including the Baader Click-Lock System and the T-2 System.
Please Note: This diagonal does not come with a 1.25" Adapter. If you wish to use 1.25" eyepieces or other barreled accessories in this 2" Star Diagonal, you will need to acquire a 2" to 1.25" Adapter.

