... GRIN lenses for telecommunication optics applications ? GTC (gradient telecom) lenses. ... GTC lenses are used in different fiber-optic devices: collimators, couplers, isolators and WDM etc . ... 2.Diameter . GTC lenses diameters are 1.0 mm, 1.8 mm, 3.0 mm and 4.0mm. ... 1.0 mm -3.0 mm diam GTC lenses are supplied in 0.22P, 0.23P, 0.25P, 0.27P and 0.29P length. 4.0 mm diam GTC lenses are supplied in 0.11P length. ... GTC . ... 3 scratches with 5mkm max width and 200mkm max length are allowed . ...

... Next Routine] [List of Routines] NAME: ADD_HEADER PURPOSE: addition information from FITS-headers MPFS-frames DESCRIPTION: The function computes the total exposure, mean value zenit distance and modified FITS header CALLING SEQUENCE: Result =ADD_HEADER( headers ) CATEGORY: reduction MPFS-data INPUTS: Headers = String array FITS-headers from the MPFS data OUTPUTS: Header = String array containing the header from the FITS file. ... OPTIONAL INPUT KEYWORD PARAMETERS: BEFORE = Keyword string name. ...

... Almost all DSOs require a telescope to see in any detail at all, though some can be detected with just binoculars, and a few can be barely seen with the unaided eye. ... DEGREE: Distances on the sky (sometimes called the celestial sphere) are measured in angular degrees rather than inches or feet. ... The magnification is the focal length of the telescope divided by the focal length of the eyepiece. ... Short focal length eyepieces are also termed high power, long focal length are low power. ...

... As then we removed from the Earth, we dived into a sky deeper and deeper. ... We saw immense red-hot spheres, liked suns, in illuminator of our spaceship. ... We saw our Earth, Mars, Mercury, and planets-giants, such as Jupiter, Saturn, Uranus and other. ... Also we saw a comet. ... The planet Upsilon was on our way. ... If we could speak the language of these two peoples, we could explain them what the war did on our home planet "the Earth", how many people were killed because of war conflicts. ...

AAL Guestbook . Please Sign Our Guestbook . ... Previous Page | ... Signed on Thursday, March 17, 2005 at 15:11:05 CET . ... There's a great new astrobiology blog, run by newspaper editor Rob Bignell, at http://alienlifeblog.blogspot.com/. ... Signed on Saturday, December 25, 2004 at 02:46:35 CET . ... auch auf diesen Seiten . ... You have great designs on your site! ... Signed on Wednesday, December 22, 2004 at 17:38:52 CET . ... Signed on Thursday, October 28, 2004 at 19:39:53 CET . ...

Statistics of sunspot activity . The sunspot indices . ... Visual indices of solar activity . ... n - number of spot groups . A - Waldmeier class of unipolar spot groups without penumbra . B - class of bipolar spot groups without penumbra . C - class of bipolar spot groups with one penumbra pole . D - class of small bipolar spot groups with two penumbra poles . E - class of middle bipolar spot groups with two penumbra poles . ... H - class of unipolar penumbrated spot groups . ...

Новости компании PENTAR . ... Официальное письмо PENTAX IMAGING SYSTEM . ... Управление Hoya Corporation, материнской компании PENTAX IMAGING SYSTEM , расположенной в Токио, выражает свое самое глубокое сострадание пострадавшим от катастрофы. ... Meade Instruments Corp. объявляет о пополнении серии высококлассных оптических принадлежностей MEADE 5000 новыми окулярами HD-60. ... 16 марта 2011 . ... HOYA CORPORATION PENTAX Imaging System выпустила новую камеру со сменными панелями - Optio RS 1500. ...

... Р?С?С?С?Р?Р?Р?Р?РеС?Р?С?Р?РеР? ... Launched on February 17, 1996, the Near Earth Asteroid Rendezvous (NEAR) mission is to be the first of NASA's Discovery missions, a series of small-scale spacecraft designed to proceed from development to flight in under three years for a cost of less than $150 million. ... The ultimate goal of the mission is to rendezvous with and achieve orbit around the near Earth asteroid 433 Eros in February, 1999, and study the asteroid for approximately one year. ...