Feature(may vary by option.)
●Optolong L-eXtreme F2 Filter for 2" (50.8mm) Filter Diameter
●FWHM7nm Dual Narrow Band Pass Filter for OIII (500.7 nm) and Hα (656.28 nm)
●This is a filter specially developed by Optolong for fast shooting systems with short focus ratio of F2 to F3.3 focal ratio
●Ideal for high-speed imaging system users Recommended for use with high-speed optics with a focal ratio from f2 to f3.3 such as Rasa, Hyperstar
●hickness: 1.85mm <br>FWHM: OIII 7nm, Ha 7nm <br>Blocking range: 300-1000nm <br>Blocking: > OD4 <br>Surface quality: 60/40 <br>Transmitted Wavefront RMS: Ý/4 <br>Parallelism: 30s <br>[Sleeve Diameter] 2 inch (50.8 mm) Filter Diameter M48
[For 2 inch]
Description
Optolong L-eXtreme F2 Filter for 2" (50.8mm) Filter Diameter
FWHM7nm Dual Narrow Band Pass Filter for OIII (500.7 nm) and Hα (656.28 nm)
This is a filter specially developed by Optolong for fast shooting systems with short-focus ratio of F2 to F3.3 focal ratio
Ideal for high-speed imaging system users
Recommended for use with high-speed optics with a focal ratio from f2 to f3.3 such as Rasa, Hyperstar.
Thickness: 0.07 inches (1.85 mm)
FWHM: OIII 7nm, Ha 7nm
Blocking range: 300-1000nm
Blocking: > OD4
Surface quality: 60/40
Transmitted Wavefront RMS: Ý/4
Parallelism: 30s
[Sleeve Diameter] 2 inch (50.8 mm) Filter Diameter M48
The data is published in the catalog.