Industry news
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What is the difference between a spherical lens and an aspheric lens?
The so-called spherical surface and aspherical surface mainly refer to the lens geometry of lenses (various cameras, microscopes, etc.), glasses (including contact lenses), that is, spherical lenses and aspherical lenses. The difference in the geometric shape of the two determines the difference ...Read more -
What is a dome port and why do you use it for surf photography and under water camera housings?
A dome port is a concentric lens that adds an optical element to the camera lens. When the curvature of the dome's inside radius center is situated as close to the nodal point of the lens as possible, the dome port greatly decreases refraction, radial ...Read more