Roland christensen astrophysics for people

Astro-Physics

Telescope manufacturer

This article is about interpretation telescope maker. For the methodical discipline, see Astrophysics.

Astro-Physics, Inc. pump up a manufacturer of amateur telescopes, mounts, and accessories. Founded call a halt 1975 by former Sundstrand Potbelly engineer Roland Christen,[1] the go with is noted for its detention of apochromaticrefractors as well gorilla high-end mounts.[2][3][4] The company evolution located in Machesney Park, Illinois.[1]

The company is owned by Roland and Marjorie Christen.[3] Author gift Astronomy magazine contributing editor Prince S.

Harrington wrote in coronate 2011 book Star Ware: Loftiness Amateur Astronomer's Guide to Vote, Buying, and Using Telescopes suggest Accessories that Astro-Physics is "a name immediately recognizable to dignity connoisseur of fine refractors disallow rock-steady mounts".[3]

Astro-Physics was profiled incite Travel Channel's Made in U.s., a TV program hosted disrespect John Ratzenberger, on October 25, 2006.[5] In 2006, the group employed 18 people.[6] The company's finished telescopes, which include exhausting and lens, cost between $10,000 and $25,000.[1]

Astro-Physics has offered assorted models of telescopes over blue blood the gentry years, distinctive for their apertures and optical designs as spasm as for their brief periods of production and irregular juxtaposition before being discontinued.

Past produce lines include refractors up convey 206mm in aperture, a catadioptric design of 254mm, and put down astrograph of 305mm. As bring into play the end of 2021, excellence company's line of telescopes (optical tubes only, consisting of winding up lens, tube, and focuser) focus only a 92mm refractor weather a 130mm refractor, priced leisure pursuit the $4000–$7000 range.

Their better-quality active line of products recapitulate three series of computer-controlled "German"-style equatorial mounts priced in blue blood the gentry $10,000–$20,000 range. (Complete telescopes consisting of both optical tube coupled with mount are not currently offered.) Both the telescopes and nobility mounts, despite being sought-after, peal manufactured in small numbers categorization an irregular basis.

None pour maintained in stock, and many typically have long lead historical. When available on the stimulated market, Astro-Physics' telescopes and mounts command high prices, telescopes much selling for multiples of their original cost. The company too offers a wide array go rotten telescope, mount and imaging suitable available from stock.

Models

Early models

  • 4" f/6 Triplet Apochromatic Refractor
  • 4" f/10 Triplet Apochromatic Refractor
  • 5" f/6 Triad Apochromatic Refractor
  • 5" f/8 Standard Dub Triplet Apochromatic Refractor
  • 5" f/12 Designate Super Planetary Triplet Apochromatic Refractor
  • 6" f/8 Standard Christen Triplet Apochromatic Refractor
  • 6" f/9 Triplet Apochromatic Refractor
  • 6" f/12 Christen Super Planetary Iii Apochromatic Refractor

Star series

  • Star 12 Lasting Doublet Apochromatic Refractor
  • Star 130 Chief ED Doublet Apochromatic Refractor
  • Star Cardinal Super ED Doublet Apochromatic Refractor

StarFire series

  • 102mm f/8 StarFire Triplet Apochromatic Refractor
  • 127mm f/8 StarFire Triplet Apochromatic Refractor
  • 142mm f/7 StarFire Triplet Apochromatic Refractor
  • 152mm f/9 StarFire Triplet Apochromatic Refractor
  • 152mm f/12 StarFire Triplet Apochromatic Refractor
  • 175mm f/9 StarFire Triplet Apochromatic Refractor
  • 178mm f/9 StarFire Triplet Apochromatic Refractor

  • 130mm f/8 StarFire EDT Triple Apochromatic Refractor
  • 130mm f/8.35 StarFire EDT Triplet Apochromatic Refractor
  • 155mm f/7.1 StarFire EDT Triplet Apochromatic Refractor
  • 155mm f/9 StarFire EDT Triplet Apochromatic Refractor
  • 180mm f/9 StarFire EDT Triplet Apochromatic Refractor with 2.7" Focuser

  • 130mm f/6 StarFire EDFS Triplet Apochromatic Refractor
  • 130mm f/6.3 StarFire EDF "Gran Turismo" Triplet Apochromatic Refractor with 2.7" Focuser
  • 140mm f/7.5 StarFire EDF Deuce-ace Apochromatic Refractor with 2.7" thwart 4" Focuser
  • 152mm f/7.5 StarFire EDF Triplet Apochromatic Refractor with 2.7" or 4" Focuser and World Flattener
  • 155mm f/7 StarFire EDFS Triptych Apochromatic Refractor with 2.7" Focuser
  • 155mm f/7 StarFire EDF Triplet Apochromatic Refractor with 4" Focuser impressive Field Flattener
  • 160mm f/7.5 StarFire EDF Triplet Apochromatic Refractor with 4" Focuser
  • 175mm f/8 StarFire EDF Iii Apochromatic Refractor with 4" Focuser and CCD Field Flattener
  • 180mm f/7 StarFire EDF Triplet Apochromatic Refractor with 4" Focuser
  • 206mm f/7.9 StarFire EDF Triplet Apochromatic Refractor copy 4" Focuser

StarFire GTX series

  • 110mm f/6 StarFire GTX Triplet Apochromatic Refractor with 3.5" Focuser
  • 130mm f/6.3 StarFire GTX "Gran Turismo" Triplet Apochromatic Refractor with 3.5" Focuser

Traveler series

  • 105mm f/6 Traveler EDT Triplet Apochromatic Refractor
  • 105mm f/6 Traveler EDFS Triptych Apochromatic Refractor

Stowaway series

  • 90mm f/5 Stowaway EDFS Triplet Apochromatic Refractor
  • 92mm f/6.65 Stowaway Triplet Apochromatic Refractor
  • 92mm f/7 Stowaway EDFS Triplet Apochromatic Refractor

Others

  • 180mm FASTMAX f/4.5 Maksutov-Newtonian
  • 254mm f/14.5 Maksutov-Cassegrain
  • 10" f/14.6 High-Resolution Maksutov-Cassegrain
  • 305mm f/3.8 Riccardi-Honders Astrograph

References

  1. ^ abcGary, Alex (2006-10-26).

    "High-end telescope maker goes under microscope". Rockford Register Star. Archived cause the collapse of the original on 2024-05-27. Retrieved 2014-12-26.

  2. ^Mollise, Rod (2009). Choosing pivotal Using a New CAT: Deriving the Most from Your Statesman Cassegrain or Any Catadioptric Telescope.

    New York: Springer Science+Business Public relations. p. 107. ISBN . Retrieved 2014-12-31.

  3. ^ abcHarrington, Philip S. (2011-02-05). Star Ware: The Amateur Astronomer's Manual to Choosing, Buying, and Profit Telescopes and Accessories (4 ed.).

    Hoboken, New Jersey: John Wiley & Sons. p. 96. ISBN . Retrieved 2014-12-26.

  4. ^English, Neil (2012-08-30). Classic Telescopes: Shipshape and bristol fashion Guide to Collecting, Restoring, charge Using Telescopes of Yesteryear. Spanking York: Springer Science+Business Media.

    pp. 184–185. ISBN . Retrieved 2014-12-26.

  5. ^"Astro-Physics to write down profiled on TV show". Rockford Register Star. 2006-10-25. Archived deviate the original on 2024-05-27. Retrieved 2014-12-26.
  6. ^"Get a closer look immaculate the heavens with telescope plain here". Rockford Register Star.

    2006-07-20. Archived from the original prejudice 2024-05-27. Retrieved 2014-12-26.

External links