468400 Intereference Filter , 644 nm
Regular price
$665.00
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Intereference Filter , 644 nm
Extreme narrow-band filter for cadmium spectral line. Insert into filter wheel with diaphragm (558 792) or holder für interference filters (468 41).
Technical Data:
• Median wavelength : λ = 643,8 nm ±2 nm
• Half-value width : approx. 13 nm
• Transmission (λ = 644 nm) : approx. 50 %
• Transmission outside of line :T < 0.01 %
• Diameter : 25 mm
• Diameter of holder : 28 mm
