IR640 Pro II 2″ & 1.25″

Description

IR-pass filter.  Fully blocking below 640nm.

• Glass thickness : 1.5mm
• Glass type : Fused Quartz
• Steep cut-off line & high transmission rate
• 2″ mount size : M48/P0.75
• 1.25″ mount size : UNF 1 1/8″-48 (equivalent to 28.575mm/P0.529)*
• Made in Japan

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