This APM prism diagonal offers high precision and image brightness due to its new ultra broadband coating. The glass used is BK7 glass, well known for its use in high performance prisms. The body is precision CNC milled.
Your equipment is secured with the 2 inch Fastlock clamp. A simple twist to lock and release is all that is needed. Due to its self-centering nature, 2" accessories are clamped with exact alignment on the optical axis.