Picked up a Williams Optics 2" dielectric 90° diagonal—the carbon fiber version. It includes an adapter for 1¼" eyepieces and a free SCT ring adapter!
- Ultra High dielectric coating offers 99% reflectivity
- precision 1/10 lambda surface
- 10mm-thick mirror substrate flat
- 2"- 1.25" adapter with brass clamping ring
- big, knurled thumbscrews easy to turn even with gloves on
- inside of tubes threaded to fit a variety of filters
- inside diameter: 48mm
- weight: 470g
This will allow me to choose 2" eyepieces (if I can ever afford them).
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