Effective Focal Length EFL (mm):

2.70

Black Diamond™ BD-6

f/#:

1.3

Coating:

BBAR (8000-12000nm)

Wavelength Range (nm):

8000 - 12000

Clear Aperture CA (mm):

2.35

Coating Specification:

R_avg <0.75% @ 8000 - 12,000nm

Coefficient of Thermal Expansion CTE (10^-6/°C):

22.5

Compatible Window:

Thickness: 0.65mm
Material: Si

Construction:

Matte Black Anodized Aluminum Housing

Index of Refraction n_d @ 10μm:

2.7816

Index of Refraction n_d @ 14μm:

2.7683

Index of Refraction n_d @ 4μm:

2.7978

Length (mm):

5.00

Lightpath Lens Code:

7100380

Mounting Threads:

M10 x 0.5

Thermo-optic coefficient dn/dT:

30.5 x 10^-6 @ 10μm

Working Distance (mm):

3.64

Front Diameter (mm):

10.00

Thread Length (mm):

5.00

Recommended Detector Format (H x V/Pixel Size):

80 x 80 / 34μm

Lightpath 7100380 | 2.7mm FL, f/1.3, Thermal Imaging Lens Assembly