Product News

plane concave lens k9
Product Knowledge

Plano convex lens used fields

Plano convex lens is widely used in transmitter, detector, laser and other fields Optical Lens is a transparent optical device that can affect the wavefront

Silicon plano convex lens
Product Knowledge

Infrared thermal imaging silicon window

Performance of the product: double-sided mirror polishing (optical grade) Due to the good infrared spectral characteristics and physical properties of monocrystalline silicon, the infrared sensor

doublets achromatic lens
Product Knowledge

The working principle of achromatic lens

Ordinary achromatic lens refers to a lens group that corrects the color difference of light of three wavelengths (blue light, green light and red light).

antireflection film of filter
Product Knowledge

Why use achromatic lenses?

Analysis of achromatic lens achromatic lens is a kind of lens composed of two optical components: positive low refractive index (crown plate) and negative high

Lens positive and negative judgment
Product Knowledge

Lens positive and negative judgment

It is not rigorous to judge the positive and negative focal length of the lens simply by looking. If you have to “look”, judge by

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