plano-concave lens
21Coma (optics) — v · d · e Optical aberration …
22Plankonkavlinse — plokščiai įgaubtas lęšis statusas T sritis fizika atitikmenys: angl. plano concave lens vok. Plankonkavlinse, f rus. плоско вогнутая линза, f pranc. lentille plan concave, f …
23plokščiai įgaubtas lęšis — statusas T sritis fizika atitikmenys: angl. plano concave lens vok. Plankonkavlinse, f rus. плоско вогнутая линза, f pranc. lentille plan concave, f …
24плоско-вогнутая линза — plokščiai įgaubtas lęšis statusas T sritis fizika atitikmenys: angl. plano concave lens vok. Plankonkavlinse, f rus. плоско вогнутая линза, f pranc. lentille plan concave, f …
25Lenses — Lens Lens (l[e^]nz), n.; pl. {Lenses} ( [e^]z). [L. lens a lentil. So named from the resemblance in shape of a double convex lens to the seed of a lentil. Cf. {Lentil}.] (Opt.) A piece of glass, or other transparent substance, ground with two… …
26Multiplying glass — Lens Lens (l[e^]nz), n.; pl. {Lenses} ( [e^]z). [L. lens a lentil. So named from the resemblance in shape of a double convex lens to the seed of a lentil. Cf. {Lentil}.] (Opt.) A piece of glass, or other transparent substance, ground with two… …
27Eyeglass prescription — Using a phoropter to determine a prescription for eyeglasses An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist or ophthalmologist, that specifies the value of all parameters the prescriber has deemed… …
28Timeline of telescope technology — Timeline of telescope technology* c.2560 BC c.860 BC Egyptian artisans polish rock crystal, semi precious stones, and latterly glass to produce facsimile eyes for statuary and mummy cases. The intent appears to be to produce an optical illusion.… …
29Huashu — The Huashu (zh stpw |s=化书|t=化書|p= Huàshū |w= Hua Shu ), or Book of Transformations, is a 930 CE Daoist classic about neidan internal alchemy , psychological subjectivity, and spiritual transformation. In the description of Poul Andersen,The… …
30Tessar — Infobox lens design scheme = Zeiss Tessar.svg year = 1902 author = Paul Rudolph elements = 4 groups = 3 aperture = f/6.3 (1902) f/4.5 (1917) f/2.8 (1930)The Tessar is a famous photographic lens design conceived by physicist Paul Rudolph in 1902… …
