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LSC37-025-050-A

Visible-Band Negative Achromatic Lens, 25.00 mm Diameter, -50.00 mm EFL — LSC37-025-050-A

Visible-band negative achromatic lens with signed negative focal length.

$73 USD

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Standard preparation: 3–7 business days.
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Technical Specifications

Diameter (mm)

25.00

Effective focal length (mm)

-50.00

Center thickness (mm)

7.22

Coating

Average reflectance below 0.5% (350–700 nm)

Optical material

BK7/F2

Diameter tolerance

+0.0/-0.1 mm

Center thickness tolerance

±0.2 mm

Surface irregularity

λ/4 @632.8 nm

EFL tolerance

±2%

Centration

3–5 arcmin

Surface quality

60/40

Bevel

0.2 mm × 45°

Edge thickness (mm)

10.75

Back focal length (mm)

-53.3