Product Description
Similar to the plano-concave lens, the focal length of the biconcave lens is negative, which makes the incident parallel rays diverge. At a virtual focus of the object, the biconcave lens is usually suitable for applications where the absolute conjugate ratio is close to 1:1.
KSA-401 H-K9 Double Concave Lens Single-Layer MgF2 Antireflection Film
Similar to the plano-concave lens, the focal length of the biconcave lens is negative, which makes the incident parallel rays diverge. At a virtual focus of the object, the biconcave lens is usually suitable for applications where the absolute conjugate ratio is close to 1:1.
Material: H-K9 fine annealing
Coating: MgF2 antireflection film
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