TS 2" Star Diagonal with 91% reflectivity and compression ring This is a very affordable star diagonal with an exceptional mechanical and optical quality within its price range. The diagonal is inserted directly into a 2" focuser or the 2" visual back of a telescope. It accepts both 1.25" and 2" accessories.
Features - all metal design
- 2" barrel with M48 filter thread and safety undercut
- 2" accessories are held in place with a brass compression ring
- 1.25" adapter also with compression ring
- very good optical quality
Brass Compression Rings ( 2" and 1.25" ) 1.25" and 2" accessories are securely held in place using a compression ring. The advantages of compression rings compared with regular locking screws are:
- the compression ring avoids signs of use. Accessories are not scratched.
- safer grip and a reduced tendency that accessories are tilted out of the optical axis.
Delivery contents - 2" diagonal mirror with safety undercut and compression ring
- 2"-on-1.25" adapter with M48 filter thread and 1.25" compression ring
- dustcaps on both sides
- strong giftbox
Products specifications
| Connection to telescope | 2" |
| Connection to eyepiece | 2" and 1 1/4" |
| Clamping | Compression Ring Eyepiece Clamp |
| Optical Length | 110 mm |
| Housing material | CNC machined metal body |
| Coating | 91% reflection |
| Filter thread | 2" / M48 |
