Plano-Convex Lens, ValuMax, N-BK7, 25.4 mm, 200 mm EFL, Uncoated
The KPX606 N-BK7 Plano-Convex Lens is an uncoated, 25.4 mm diameter N-BK7 plano-convex lens with an effective focal length of 200 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
Lens Shape
Plano-Convex
Diameter
25.4 mm
Lens Material
N-BK7
Antireflection Coating
Uncoated
Surface Quality
60-40 scratch-dig
Surface Accuracy, Irregularity λ/2
2.5 λ
F/#
7.8
Effective Focal Length (EFL) 200 mm
197.50 mm
103.360 mm
Edge Thickness (T<sub>e</sub>) 3.0 mm
Center Thickness (T<sub>c</sub>) 3.78 mm
Lens Shape
Plano-Convex
Diameter
25.4 mm
Lens Material
N-BK7
Antireflection Coating
Uncoated
Surface Quality
60-40 scratch-dig
Surface Accuracy, Irregularity λ/2
2.5 λ
F/#
7.8
Effective Focal Length (EFL) 200 mm
197.50 mm
103.360 mm
Edge Thickness (T<sub>e</sub>) 3.0 mm
Center Thickness (T<sub>c</sub>) 3.78 mm