For 640 nm laser applications that are sensitive to longer wavelength emissions, the OBIS Bandpass filter can help to improve your detection signal to noise ratio.
OBIS Bandpass Filter can reduce noise in fluorescent applications that are sensitive to longer wavelength emissions.
OBIS Bandpass Filter conveniently thread into the front of the OBIS LX laser to remove long wavelength emissions.
Buy OBIS LX Bandpass filter to improve your fluorescent detection signal to noise ratio.
Other Bandpass filters available at 445, 473, 488 and 633 nm.