[DOC] [TLE] Bernhard Schmidt - Wikipedia [PAR] Bernhard Woldemar Schmidt was a German optician. In 1930 he invented the 
Schmidt telescope which corrected for the optical errors of spherical aberration, 
coma, and astigmatism, making possible for the first time the construction of ... For 
example, when young he built his own camera from a purchased lens and old... [DOC] [TLE] Telescopes | Eckhardt Optics LLCEckhardt Optics LLC [PAR] The first telescopes were made with only lenses. Since lenses ... When mirrors 
and lenses are combined, you get optical systems that are known as catadioptric. [DOC] [TLE] Schmidt telescope | Britannica.com [PAR] The Schmidt telescope is thus a catadioptric telescope; i.e., its optics involve both 
the reflection ... The device was invented in 1930 by optician Bernhard Schmidt of 
the ... in design and purpose to the Schmidt telescope but has a spherical 
meniscus, a lens ... Learn More in these related articles: .... A compound 
microscope. [DOC] [TLE] a little-known 3-lens catadioptric camera by bernhard schmidt [PAR] of a spherical mirror and a 3-element afocal corrector lens placed at the mirror's 
center of curvature. ... These they present together with a transmission test of the 
corrector lens. ... Bernhard Schmidt's 1929-1930 invention of the ... Schmidt 
Camera was the first highly color- ... Schmidt Telescope on Palomar Mountain
but. [DOC] [TLE] Compound or Catadioptric Telescopes - How Telescopes Work ... [PAR] The first compound telescope was made by German astronomer Bernhard 
Schmidt in 1930. The Schmidt telescope had a primary mirror at the back of the... [DOC] [TLE] Catadioptric | AstroGeek [PAR] Catadioptiric (meaning 'combining two optics') telescopes combine mirrors and 
lenses ... Both of these designs are derivatives of the Schmidt Camera design. ... 
The Schmidt camera was invented by Estonian optician Bernhard Schmidt in 
1930 . ... primary mirror, and an aspherical correcting lens, known as a corrector 
plate,... [DOC] [TLE] Download PDF - Springer [PAR] Optics: Lenses or mirrors or a combination of the two are the heart ... catadioptric. 
... Galileo did not invent the telescope and may not even have been the first ... 
Simple as these first telescopes were, astronomers in the seventeenth and eight- 
.... In 1930, a brilliant but eccentric Estonian optician, Bernhard Schmidt, had a. [DOC] [TLE] Catadioptric telescopes - telescopes - megaslides.com [PAR] Mar 21, 2016 ... The first known practical telescopes were invented in the Netherlands at the ... 
telescopes: which use both lenses and mirrors in combination. ... These 
telescopes are called refracting telescopes or refractors since the image was ... 
telescope was made by German astronomer Bernhard Schmidt in 1930. [DOC] [TLE] Buying a telescope | Astronomy.com [PAR] Jul 1, 2004 ... These two telescope designers found that the lower the amplification factor of the 
secondary mirror, the flatter the field. ... The first compound telescope was made 
by German astronomer Bernhard Schmidt (18791935) in 1930. The Schmidt ... 
This new lens produces a more compact catadioptric telescope. [DOC] [TLE] Compound or Catadioptric Telescope - You and the Universe [PAR] Compound-catadioptric telescope: a primary mirror reflects image to a ... makes a 
substantial change in the focal length, as in the first diagram below. ... away, 
against or backward, and "diopter," meaning "of optical lenses. ... The first 
catadioptric telescope was made by the German astronomer Bernhard Schmidt in 
1930. [DOC] [TLE] Origins: Hubble: Tools: Telescopes Before Hubble | Exploratorium [PAR] Visit the Hubble Space Telescope, with live webcasts from Mission Control and 
the ... Light enters through a large convex (outward curving) glass lens called the 
... Invented by Bernhard Schmidt in 1930, the catadiatropic telescopethe name 
means "reflecting and refracting"employs a combination of lenses and mirrors. [DOC] [TLE] Lab 10: Refracting Telescopes [PAR] James Gregory (1638-1675), a Scottish mathematician, invented the first ... 
Newton used a concave mirror to actually make the first reflective telescope. .... 
First compound reflecting telescope. ... Telescope is 'catadioptric': correcting plate 
is a meniscus lens (deeply ... Invented in 1930 by Bernhard Schmidt, an Estonian
. [DOC] [TLE] Telescope - Question.com [PAR] traditionally, a system

Question: In 1930 Bernhard Schmidt invented the first catadioptric telescope that combined lenses & these
Answer: mirrors