bids are invited for optical filters 2022001592 premium hard coated band pass filter 635nm , premium hard coated band pass filter 780nm , premium hard coated band pass filter 810nm , premium hard coated band pass filter 532nm , premium hard coated band pass filter 405nm , premium hard coated band pass filter 750nm , premium hard coated band pass filter 1400nm , absorptive neutral density filter of bbar 650 to 1050 nm and optical density 0.5 , absorptive neutral density filter of bbar 650 to 1050 nm and optical density 1.0 , absorptive neutral density filter of bbar 650 to 1050 nm and optical density 2.0 , absorptive neutral density filter of bbar 650 to 1050 nm and optical density 3.0 , absorptive neutral density filter of bbar 650 to 1050 nm and optical density 4.0 , absorptive neutral density filter of bbar 350 to 700 nm and optical density 0.5 , absorptive neutral density filter of bbar 350 to 700 nm and optical density 1.0 , absorptive neutral density filter of bbar 350 to 700 nm and optical density 2.0 , absorptive neutral density filter of bbar 350 to 700 nm and optical density 3.0 , absorptive neutral density filter of bbar 350 to 700 nm and optical density 4.0 , thread adapter , end cap , lens tube_pack of 5 nos total quantity : 30