JB490 yellow filter with thread 490nm optical yellow lens

Place of Origin:

Jiangsu, China

Brand Name:

Subei

Model Number:

JB490

Size:

3-300mm, 3-300mm

Material:

Optical Glass

Use:

Optical Instruments

Thickness:

0.5-30mm

Flatness:

1/4 wavefront

Parallelism:

3-5 arc minutes

color:

yellow on the ar coated surface

Coating:

ar coated

Transmistance:

>90%

Thread:

polished or frosted surface blacking painting