Dmitry Posted May 18, 2019 Share Posted May 18, 2019 LENS: Industar-26m 50mm f/2.8Camera: Olympus e-m5 body full spectrum converted myself. Note: the far IR spectrum is out of the field of view. ZWB1 (2mm) No filters ZWB2 (2mm) Left orange line is 365nmFirst dark line from left on solar spectra is 358nm Looks like this lens is 350nm capable Link to comment
Dmitry Posted May 18, 2019 Author Share Posted May 18, 2019 I hardly see 334nm Hg lamp line after 5x gamma curve increase. Link to comment
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