Biconvex Lens D25.4mm 400 - 700nm

Symmetrical biconvex lenses are most useful when dealing with finite conjugate points. This makes them ideal for 1:1 imaging applications or for use in multi-element systems.
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Data sheet Biconvex Lens D25.4mm 400 - 700nm


These biconcave lenses are used when a very high negative power is required. They can be used in a multi-element system or alone to produce a diverging cone or virtual image. Sharpe edges, which are common in negative lenses, are removed by beveling to reduce the likelihood of chipping.

There are two types of biconvex lenses available; BK7 for use in visible range to infrared wavelength range.

BK7 lenses are also available with three types of anti-reflection coatings, visible wavelength range, in the near-infrared range and in the infrared range.

Our lenses are listed by outside diameter and focal length to assist your selection according to required specifications.

Other Specifications

- RoHs : Yes
- Centration : <1′
- Diameter φD : φ25.4mm
- Wavelength range of Antireflection Coating : 400 - 700nm
- Laser Damage Threshold : 4J/cm2
- Refractive index ne : 1,519
- Transmmittance : > Average 99%
- Material : BK7
- Clear aperture : 85% of the diameter
- Coating : Broadband Multilayer antireflection coating (400 - 700nm)
- Design Wavelength : 546.1nm
- Surface Quality (Scratch-Dig) : 20−10

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