Premium quality Williams Optics diagonal with 15mm mirror thickness, dielectric coating and 1/15 lambda surface accuracy.
The fit, finish and attention to detail is second to none!
Supplied with 2" nosepiece and SCT adapter.
Removable carbon-fibre side plates for easy cleaning.
Dielectric coating for 99% reflectivity.
Precision 1/15th lambda surface accuracy.
15mm-thick mirror substrate.
2"- 1.25" adapter with brass clamping ring.
Inside diameter (48mm) threaded to accept filters.
Weight : 535 g