CHAT EMAIL

Country/Region
- We have set your country/region to United Kingdom
  
  You can change this selection at any time, but products in your cart, saved lists, or quote may be removed if they are unavailable in the new shipping country/region.
  
  Select Your Country/Language
Hello, My Account
- Log In
  
  New to EO? Register.
  
  Welcome !
  
  My Account
  Access Dashboard
  
  My Profile
  Update My Profile
  
  Payment & Shipping
  Address Book, Tax Certificates
  
  Web Orders
  View Past Orders
  
  Saved Lists
  Saved Items for Later
  
  Log Out

See all 48 Products in Family

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

20mm Diameter x -30 FL, VIS-NIR Coated, Plano-Concave Lens

TECHSPEC VIS-NIR Coated Plano-Concave (PCV) Lenses

Stock #45-919

£34.85

Qty 1-9
£34.85

Qty 10
£31.37

Volume Pricing
Request a Quote

Code V Curves eDrawings: eprt IGES ISO PDF Drawings STEP: stp Zemax: zar Zemax: zmx

+ Add to Saved List

Compare

Diameter (mm):

20.00 +0.0/-0.025

Effective Focal Length EFL (mm):

-30.00

Back Focal Length BFL (mm):

-31.96

Coating:

VIS-NIR (400-1000nm)

Coating Specification:

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

Substrate:

N-SF11

Surface Quality:

40-20

Power (P-V) @ 632.8nm:

1.5λ

Irregularity (P-V) @ 632.8nm:

λ/4

Center Thickness CT (mm):

3.50

Center Thickness Tolerance (mm):

±0.10

Focal Length Tolerance (%):

±1

Focal Length Specification Wavelength (nm):

587.6

Centering (arcmin):

Clear Aperture CA (mm):

19.00

Edge Thickness ET (mm):

5.39

Radius R₁ (mm):

-23.54

f/#:

1.5

Numerical Aperture NA:

0.33

Bevel:

Protective bevel as needed

Type:

Plano-Concave Lens

Typical Energy Density Limit:

5 J/cm² @ 532nm, 10ns

Wavelength Range (nm):

400 - 1000

Regulatory Compliance

RoHS 2015:

Compliant

Reach 209:

Compliant

Product Family Description

AR Coated to Provide <1.25% Reflectance per Surface for 400 - 1000nm
<0.25% Reflectance @ 880nm
Designed for 0° Angle of Incidence
Various Coating Options: Uncoated, MgF₂, VIS 0°, NIR I, and NIR II

Plano-Concave (PCV) lenses have one flat and one inward curved surface. PCV lenses have a negative focal length and are used for image reduction or to spread light.

Need a Quote? Add a stock number to begin our two-step quote process.

start now

Call Now! +44 (0)1904 788600

Contact : Catalogs : Company : Discount Programs

PROUD MEMBERS OF: