China manufacture optical ND64 neutral density filter for camera

Place of Origin:

Jiangsu, China

Brand Name:

SUBEI

Model Number:

ND64

Size:

Dia=59,64,69,74,79mm

Material:

Optical Glass

Use:

Camera filter

Surface Quality:

60/40

Thickness:

1.5mm or 1.0mm

Flatness:

1/4 wavefront

Parallelism:

3-5 arc minutes

Thread:

mounted with ring upon request