Plano-Convex Lens, N-BK7, 12.0 mm Diameter, 25 mm EFL, 400-700 nm

The KPX343-C N-BK7 Plano-Convex Lens is a 400-700 nm anti-reflection coated, 12.0 mm diameter N-BK7 plano-convex lens with an effective focal length of 25 mm. It has = λ/2 surface irregularity, 60-40 scratch-dig. N-BK7 is an excellent material for most visible and near infrared applications. It is the most common optical glass, and it provides great performance at a good value.

Specifications

Technical Specs

Lens Shape
Plano-Convex
Diameter
12.0 mm
Lens Material
N-BK7
Antireflection Coating
400-700 nm
Coating Type
Visible Single-Layer MgF₂
Coating Code
-C
Damage Threshold
7 J/cm², 10 ns pulses, 20 Hz at 532 nm
Surface Quality
60-40 scratch-dig
F/#
2.1

Back Focal Length (BFL)
22.70 mm
Radius of Curvature (R)
12.968 mm
Edge Thickness (Te)
2.0 mm
Center Thickness (Tc)
3.50 mm
Principal Plane 2 (P2)
-2.30 mm
Centration
≤3 arc min
Clear Aperture
≥central 90% of diameter
Cleaning
See How to Clean Optics

Lens Shape
Plano-Convex
Diameter
12.0 mm
Lens Material
N-BK7
Antireflection Coating
400-700 nm
Coating Type
Visible Single-Layer MgF₂
Coating Code
-C
Damage Threshold
7 J/cm², 10 ns pulses, 20 Hz at 532 nm
Surface Quality
60-40 scratch-dig
F/#
2.1

Back Focal Length (BFL)
22.70 mm
Radius of Curvature (R)
12.968 mm
Edge Thickness (Te)
2.0 mm
Center Thickness (Tc)
3.50 mm
Principal Plane 2 (P2)
-2.30 mm
Centration
≤3 arc min
Clear Aperture
≥central 90% of diameter
Cleaning
See How to Clean Optics

Plano-Convex Lens, N-BK7, 12.0 mm Diameter, 25 mm EFL, 400-700 nm

Model: KPX343-C

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