Bi-concave lenses
Bi-concave lenses, like the plano concave lenses diverge collimated light and vice versa. Because both concave surfaces contribute to light refraction bi-concave lenses can be made with shorter focal lengths than the plano concave type. They are often used with other lenses to decrease system focal length.
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Quantum Design
Roca i Roca, 45
08226 Terrassa (Barcelona)
Spain
Phone: | +34 937 349168 |
Fax: | +34 937 349168 |
E-mail: | iberiaqd-europe.com |