Special laser optical filter 580nm bandpass (unknown brand)
Description: no longer needed in my lab. I have not full information (only bandpass), but you may know enough of it given this information. Tests done with "mirror side" facing light source.
Measures: Mount is exactly 1" 25,4mm (filter a bit smaller to fit in mount). Thickness is 0,246" (6,24mm).
Catalog number and other info: 5800 3C S-NQK 9-1 (this last number might be the cut-on & cut-off tolerances in nm)
Straight light-through behaviour (0º angle): LED & HALOGEN light source show light YELLOW.
Edge-on light-through behaviour through HALOGEN light source (around 80º angle): light YELLOW.
Weight: 5,8gr.
Condition: filter shows nice. No scratches or haze. I would say EXCELLENT OVERALL condition. Delivered in original package.
Shipping: Remember I combine shipping.