IR800 Pro 1.25"

IR-pass filter.  Fully blocking below 800nm.

• Glass thickness : 1.5mm
• Glass type : Fused Quartz
• Steep cut-off line & high transmission rate
• Mount size : UNF 1 1/8"-48 (equivalent to 28.575mm/P0.529)*
• Made in Japan

* It might not allow to fully turn to M28.5/P0.6 threads. It depends on the machining variation.