Bi-Convex Lens, N-BK7, 6.35 mm Diameter, 12.7 mm EFL, Uncoated

The KBX013 N-BK7 Bi-Convex Lens is an uncoated, 1/4 inch (6.35 mm) diameter, N-BK7 bi-convex lens with an effective focal length of 12.7 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision bi-convex lenses are manufactured from fine annealed optical glass and are polished to tight tolerances using master test plates to ensure minimum wavefront distortion.

Specifications

Technical Specs

Lens Shape
Bi-Convex
Diameter
6.35 mm
Lens Material
N-BK7
Antireflection Coating
Uncoated
Surface Quality
40-20 scratch-dig
Surface Accuracy, Irregularity
λ/4
Surface Accuracy, Power
1.5 λ
F/#
2
Effective Focal Length (EFL)
12.7 mm
Back Focal Length (BFL)
11.37 mm
Radius of Curvature (R)
12.440 mm
Edge Thickness (Te)
3.0 mm
Center Thickness (Tc)
3.820 mm

Principal Plane 1 (P1)
1.33 mm
Principal Plane 2 (P2)
-1.30 mm
Design Wavelength
589 nm
Centration
≤3 arc min
Chamfers
0–0.8 mm face width
Chamfers Angle/Tolerance
45° ±15°, typical
Focal Length Tolerance
±1 %
Diameter Tolerance
+0/-0.1 mm
Center Thickness Tolerance
±0.1 mm
Clear Aperture
≥central 90% of diameter
Cleaning
See How to Clean Optics

Lens Shape
Bi-Convex
Diameter
6.35 mm
Lens Material
N-BK7
Antireflection Coating
Uncoated
Surface Quality
40-20 scratch-dig
Surface Accuracy, Irregularity
λ/4
Surface Accuracy, Power
1.5 λ
F/#
2
Effective Focal Length (EFL)
12.7 mm
Back Focal Length (BFL)
11.37 mm
Radius of Curvature (R)
12.440 mm
Edge Thickness (Te)
3.0 mm
Center Thickness (Tc)
3.820 mm

Principal Plane 1 (P1)
1.33 mm
Principal Plane 2 (P2)
-1.30 mm
Design Wavelength
589 nm
Centration
≤3 arc min
Chamfers
0–0.8 mm face width
Chamfers Angle/Tolerance
45° ±15°, typical
Focal Length Tolerance
±1 %
Diameter Tolerance
+0/-0.1 mm
Center Thickness Tolerance
±0.1 mm
Clear Aperture
≥central 90% of diameter
Cleaning
See How to Clean Optics

Resources & Downloads

Related Products

Similar

Description	Compatibility	Avail.	Price
KPA10Polished Aspheric Lens, Plano-Convex, L-BAL35, 15 mm, 22.5 mm EFL, Uncoated	UNIVERSAL	In Stock	$365
KPX013Plano-Convex Lens, N-BK7, 6.35 mm Diameter, 12.7 mm EFL, Uncoated	UNIVERSAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$33
SPX010Plano-Convex Lens, Fused Silica, 6.35 mm, 12.7 mm EFL, Uncoated	UNIVERSAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$170
SBX013Bi-Convex Lens, Fused Silica, 12.7 mm Diameter, 12.7 mm EFL, Uncoated	UNIVERSAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$202
CKX012Cylindrical Lens, Plano-Convex, N-BK7, 25.4x12.7 mm, 12.7 mm, Uncoated	UNIVERSAL	In Stock	$232

Compatible

Description	Compatibility	Avail.	Price
LCM-1Lens Mount, Self-Centering, 0.125-1.063 in. Diameter Lenses	IMPERIAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$288
VLH-1AV-Groove Lens Holder, 0.25 to 1.25 in. Diameter Lenses	UNIVERSAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$164
AC-1AVariable Size Lens Mount, 5.0-46.2 mm, Thumbscrew Support Arms	UNIVERSAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$59
LPLH-25TOptic Holder, 0.25 in. Diameter, 0.875-20 Thread, For LP-05A Series	UNIVERSAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$44
LH1-0.25ROptic Holder Cell, 0.25 in. Diameter Optics, Requires LM1-R Mount	UNIVERSAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$37
LH-50R25Lens Adaptor, 0.5 in. Mount to 0.25 in. Diameter Lens, A-LINE	UNIVERSAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$23
9872-KOpti-Claw Mount, Tilting, Tiny, 0.06-0.63 in., 3 Allen-Key Adjustment	UNIVERSAL	5 Weeks FREE 2-day shipping on thousands of products on Newport.com Learn More	$349