eo_logo
 
All Products / Optics / Optical Lenses / Achromatic Lenses / Broadband AR Coated Negative Achromatic Lenses
See all 26 Products in Family
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

12.5mm Dia x -50mm FL VIS 0°, Inked, Negative Achromatic Lens

×
Stock #62-488-INK 10-15 days
×
Other Coating Options
×
- +
S$142.10
Qty 1-5
S$142.10
Qty 6+
S$120.71
Volume Pricing
Request Quote
Get Product Downloads
Diameter (mm):
12.50 ±0.025
Effective Focal Length EFL (mm):
-50.00
Focal Length Tolerance (%):
±1
Back Focal Length BFL (mm):
-51.58
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
11.50
Centering (arcmin):
<1
Center Thickness CT (mm):
3.56 ±0.10
Center Thickness CT 1 (mm):
2.00 ±0.05
Center Thickness CT 2 (mm):
1.56 ±0.05
Radius R1 (mm):
-30.83
Radius R2 (mm):
23.47
Radius R3 (mm):
69.20
Edge Thickness ET (mm):
4.40
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-BK7 / N-SF5
Surface Quality:
40-20
f/#:
4.00
Numerical Aperture NA:
0.13
Coating:
VIS 0° (425-675nm)
Coating Specification:
Ravg ≤0.4% @ 425 - 675nm
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Bevel:
Protective bevel as needed
Type:
Negative Achromatic Lens
Wavelength Range (nm):
425 - 675

Regulatory Compliance

RoHS:
Compliant
×
Certificate of Conformance:
View
×

Product Family Description

TECHSPEC® Broadband AR Coated Negative Achromatic Lenses are corrected for color and on-axis aberrations. These lenses, consisting of two optical elements cemented together, are commonly used as Barlow lenses to extend focal lengths. TECHSPEC® Broadband AR Coated Negative Achromatic Lenses are available in various diameter sizes and VIS 0° or VIS-NIR coating options.