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refractor comparison table
Subject has comment has location has owner has latitude has lens maker has optical design has operator has altitude is an instance of has synonym has focal ratio has aperture has mount has mounting manufacturer has longitude has creation date
26-inch Equatorial Washington, DC, USUS Naval Observatory38° 55' NAlvan Clark & Sonsvisual refractor 92 mGerman equatorial telescope f/15.00.66 mGerman equatorialWarner and Swasey77° 04' W1873
28-inch Visual RefractorDome under repair in 1992Greenwich, London, EnglandOld Royal Observatory51° 29' NGmbhvisual refractor 47 mEnglish equatorial telescopeGreenwich refractorf/11.90.711 mEnglish equatorialRansomes and Sims00° 00'1894
36-inch RefractorFront surface of crown element refigured in 1987Mount Hamilton, Calif., USLick Observatory37° 20' NAlvan Clark & Sonsvisual refractor 1290 mGerman equatorial telescope36 inchf/19.70.895 mGerman equatorialWarner and Swasey121° 39' W1888
Grosser Refraktor Vienna, AustriaAstronomisches Inst., Univ. Obs.48° 14' NGrubbvisual refractor 241 mGerman equatorial telescope f/15.70.67 mGerman equatorialGrubb16° 20' E1880
Grosser Refraktor^2 Alt Treptow, Berlin, GermanyArehenhold-Sternwarte52° 29' NC.A. Steinheilvisual refractor 41 mGerman equatorial telescope f/30.90.68 mGerman equatorialHoppe-Berlin13° 29'E1896
Lunette Bischoffscheim Mont Gros, FranceObservatoire de Nice43° 43' NHenry Brothersvisual refractor 372 mGerman equatorial telescope f/24.20.74 mGerman equatorialP. Gautier7° 18' E1886
McCormick Refractor Charlottesville, VA, USLeander McCormick Observatory38° 02' NAlvan Clark & Sonsvisual refractor 264 mGerman equatorial telescope26 inchf/14.90.667 mGerman equatorialWarner and Swasey78° 31' W1883
Meudon Refractor Meudon, FranceObservatoire de Paris48° 48' NHenry brothersvisual refractor 162 mGerman equatorial telescope33 inchf/19.50.83 mGerman equatorialP Gautier2° 14' E1889
Potsdam Refractor Telegrafenberg, Potsdam, GermanyZentralinstitut fur Astrophysik52° 23' NC.A. Steinheilvisual refractor 107 mGerman equatorial telescope f/15.00.80 mGerman equatorialRepsold13°04'E1899
The Thaw RefractorOriginally had a Brashear visual objective (1914); present one is corrected for red lightPittsburgh, PA, USAllegheny Observatory40° 29' NR.E. SumnerRed-light refractor 380 mGerman equatorial telescope30 inchf/18.60.76 mGerman equatorialWarner and Swasey80° 01' W1985
Thompson Refractor Herstmonceux, Sussex, EnglandRoyal Greenwich Observatory50° 52' NGrubbvisual refractor 34 mGerman equatorial telescope f/10.40.66 mGerman equatorialGrubb0° 20' E1897
Yerkes 40-inch Refractora focal reducer also provides an f/3 focusWilliams Bay, Wisconsin, USYerkes Observatory42° 34' NAlvan Clark & Sonsvisual refractorUniversity of Chicago334 mGerman equatorial telescope40 inchf/19.041.016 mGerman equatorialWarner and Swasey88° 33' W1897

Next optical telescope: Shajn 2.6-m Reflector    Up: optical telescope    Previous optical telescope: reflector with corrector plate