Bandpass filter is a device that passes frequencies within a certain range and rejects (attenuates) frequencies outside that range.
F25-500mm Zoom Lens for Visible
The F25-500mm zoom lens is mainly used in visible light band to detect specific targets or areas and transmit TV images and focal length inf...
Ultraviolet (UV) Dome
BRD Optical dome lens is composed of two parallel optical surfaces, (A convex surface & A Concave surface). Normally we can control the ...
Micro Optical Window
Optical windows are made of optical grade glass with plane parallel surfaces. They are used to admit light into an optical system and to prote...
Pentagonal prism is the beam Angle (90 °), one of the steering gear.It has two purposes: one is that no matter how much the first incident A...
Octagon Light Guide Rod
1, Non-uniform light source can be homogenized.
2，The pupil is octagon.
3, Can be used to build lighting systems.
Achromatic Cemented-Double Lens
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