DescriptionAchromat doublet en.svg English: Achromatic doublet, german description Date 12 September 2006 Source Own work Author Andreas 06 Other versions...
en.wikipedia. 2010-11-22 20:01 Paul1513 765×765× (10775 bytes) By Paul Chin (paul1513); self created; a block diagram of the Dolland Achromat Doublet...
For an achromatic doublet, visible wavelengths have approximately the same focal length. English determination method or standard: SHA-1...
Image:Achromat_en.svg Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. Click on date to...