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Edmund Optics 40mm Dia. x 200mm FL, VIS-NIR Coated, Achromatic Lens 49383

Diameter (mm):

40.00 +0.0/-0.025

Effective Focal Length EFL (mm):

200.00

Focal Length Tolerance (%):

±2

Back Focal Length BFL (mm):

194.21

Focal Length Specification Wavelength (nm):

587.6

Clear Aperture CA (mm):

39.00

Centering (arcmin):

Center Thickness CT 1 (mm):

8.50

Center Thickness CT 2 (mm):

4.00

Center Thickness Tolerance (mm):

±0.2

Radius R₁ (mm):

124.12

Radius R₂ (mm):

-87.26

Radius R₃ (mm):

-253.10

Edge Thickness ET (mm):

10.09

Substrate:

N-BK7 / N-SF5

Surface Quality:

40-20

f/#:

5.00

Numerical Aperture NA:

0.10

Coating:

VIS-NIR (400-1000nm)

Coating Specification:

R_abs =0.25% @ 880nm
R_avg =1.25% @ 400 - 870nm
R_avg =1.25% @ 890 - 1000nm

Power (P-V) @ 632.8nm:

1.5?

Irregularity (P-V) @ 632.8nm:

?/4

Bevel:

Protective bevel as needed

Type:

Achromatic Lens

Wavelength Range (nm):

400 - 1000

New unused condition.

Actual item pictured.

30-day return warranty

Terms & Conditions

PAYMENT

-- We accept most payment types and will work with your organizations accounting requests.

SHIPPING

-- Items ship within 1-2 business days after payment.

-- We ship with USPS FedEx UPS and DHL

-- If you require expedited shipping or wish to be billed to your FedEx UPS or DHL account# please let us know upon purchase.

-- We ship Worldwide. Buyer responsible for customs/duty import charges.

RETURN POLICY

-- We offer a 30-day return on all products unless sold as-is for parts/repair or not working.

-- We strive for your positive feedback and 5 star rating, contact us if not satisfied for any reason.

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