Clear Aperture CA (mm):

34.0

Cut-On Wavelength (nm):

390.00

Filter Thread:

M39 x 0.50

Glass/Filter Number:

L-39

Hoya L-39

Operating Temperature (°C):

-15 to +70

Coating:

Multi-coated

Color:

Clear

Outer Diameter (mm):

41.0

Thickness with Mount (mm):

4.50

Surface Quality:

80-50

Thickness (mm):

2.00

Thickness Tolerance (mm):

±0.2

Type:

Mounted Imaging Filter

Coating Specification:

R_avg >2% @ 500 - 700nm

Wavelength Range (nm):

350 - 2200

Surface Flatness (P-V):

4 - 6λ

RoHS:

Exempt

Certificate of Conformance:

View

已安裝紫外濾光片採用標準攝影和鏡頭濾光片安裝螺紋。這些濾光片非常適合需要截止紫外光而通過可見光的應用場合。裝配的通光孔徑比安裝直徑小 5 mm。最大外徑比安裝直徑大 2 mm，但 62 mm和 72 mm除外，會比安裝直徑大 3 mm。已安裝紫外濾光片顏色透明，不可旋轉。

Mounted M39 x 0.5 - UV Cut-Off Filter