Author: arundhati Date: 2014-01-06 08:25:48
Author: nebulae Date: 2014-04-28 08:56:10
Author: arundhati Date: 2013-10-24 04:31:43
Author: AlenMiler Date: 2014-11-23 20:18:16
Observing Handbook and Catalogue of Deep-Sky Objects by Brian A. Skiff
Cambridge University Press; 1st edition | October 28, 1998 | English | ISBN: 0521625564 | 368 pages | PDF | 37 MB
This is the most detailed guide to observing galaxies, clusters and nebulae available in a single volume. The objects included range from those visible in binoculars to faint galaxies requiring a 30 cm telescope.
Author: Bayron Date: 2014-04-10 07:33:55
Author: ChrisRedfield Date: 2013-12-05 10:26:14
Author: nebulae Date: 2013-10-21 06:49:00
Author: kalyan1232008 Date: 2009-04-23 09:44:31
Daniel & Zacarias Malacara (Editors) , «Handbook of Optical Design, 2nd Edition (Optical Engineering)»
Marcel Dekker | ISBN 0824746139 | 2 edition (September 1, 2003) | PDF | 2.3 Mb | 552 pages
Infused with more than 500 tables and figures, this reference clearly illustrates the intricacies of optical system design and evaluation and considers key aspects of component selection, optimization, and integration for the development of effective optical apparatus. The book provides a much-needed update on the vanguard in the field with vivid explanations of computer-aided strategies and developments essential for success in the engineering of modern optical structures. It analyzes the performance of a wide range of optical materials, components, and systems, from simple magnifiers to complex lenses used in photography, ophthalmology, telescopes, microscopes, and projection systems.
Author: fdts Date: 2014-10-20 20:23:20
Author: maxxum Date: 2006-12-10 12:30:00