Plano-Concave Lens, N-BK7, 25.4 mm Diameter, -75 mm EFL, Uncoated

Model: KPC037

$42

In Stock

Compare

Product Series Overview

Uncoated N-BK7 Plano-Concave Lenses

The KPC037 N-BK7 Plano-Concave Lens is an uncoated 25.4 mm diameter, N-BK7, plano-concave lens with an effective focal length of -75 mm. It is designed to meet the demanding requirements of laser electro-optic applications. Newport's N-BK7 precision plano-concave 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
Plano-Concave
Diameter
25.4 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/#
-2.9
Effective Focal Length (EFL)
-75 mm
Back Focal Length (BFL)
-76.64 mm
Radius of Curvature (R)
-38.760 mm
Edge Thickness (Te)
4.22 mm
Center Thickness (Tc)
2.5 mm

Principal Plane 2 (P2)
-1.64 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
Plano-Concave
Diameter
25.4 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/#
-2.9
Effective Focal Length (EFL)
-75 mm
Back Focal Length (BFL)
-76.64 mm
Radius of Curvature (R)
-38.760 mm
Edge Thickness (Te)
4.22 mm
Center Thickness (Tc)
2.5 mm

Principal Plane 2 (P2)
-1.64 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
KPX088Plano-Convex Lens, N-BK7, 25.4 mm Diameter, 75.6 mm EFL, Uncoated	UNIVERSAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$37
SPC031Plano-Concave Lens, Fused Silica, 25.4 mm, -75 mm EFL, Uncoated	UNIVERSAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$133
SBC031Bi-Concave Lens, Fused Silica, 25.4 mm, -75 mm EFL, Uncoated	UNIVERSAL	In Stock	$141
KBC040Bi-Concave Lens, N-BK7, 25.4 mm Diameter, -75 mm EFL, Uncoated	UNIVERSAL	In Stock	$45
SPX019Plano-Convex Lens, Fused Silica, 25.4 mm, 75.6 mm EFL, Uncoated	UNIVERSAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$177

Compatible

Description	Compatibility	Avail.	Price
LPV-1Compact Lens Positioner, XYZ θXθY, 1.0 in. Diameter, 100 TPI	UNIVERSAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$373
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
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
LP-1APrecision Lens Positioner, 1.0 in., 100 TPI XYθXθY, 80 TPI Z	UNIVERSAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$1,043
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
LH-1AFixed Lens Mount, 1.0 in. (25.4 mm) Diameter, 8-32 Thread, A-LINE	IMPERIAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$20
LT10-20Lens Tube, 1 inch LT Series, 2 inch length	UNIVERSAL	In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$24