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www.astropix.com/HTML/I_ASTROP/FOCUS/METHODS.HTM
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When we look through a telescope to visually observe we usually don't have any ... These right-angle finders also usually offer a higher magnification that can be ... Take short exposures and zoom in on a star and examine with the LCD ...
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www.micrographia.com/projec/projapps/mosqfila/mosf0200....
www.micrographia.com/projec/projapps/mosqfila/mosf0200.htm
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This was done by removing the back from the Nikon, and the right-angle prism from the objective, and examining the image, at the film plane, of a ruled graticule ...
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www.doylegroup.harvard.edu/wiki/images/4/4c/Theodolite_...
www.doylegroup.harvard.edu/wiki/images/4/4c/Theodolite_Instructions.pdf
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A theodolite is a telescope mounted to very sensitive horizontal and vertical protractors. ... (a) Examine how the tripod is seated in its box. See Fig. 1. (b) Lift the ... (b) Take face-right angle measurements to complete a round of angles. i. Rotate ...
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www.skyandtelescope.com/howto/visualobserving/3304221.h...
www.skyandtelescope.com/howto/visualobserving/3304221.html
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The essentials of navigating the heavens with a telescope and a star atlas. ... Examining the sky at 50 power is like examining the chart with a microscope! Copyright ... It forms a long right triangle with Pollux and 75; Pollux is at the right angle.
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www.birdwatching.com/optics/binoculars1.html
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Essentially, binoculars are just two telescopes mounted side by side, one for each eye. ... You can enlarge this image by examining it through another magnifying ... Italian named Porro designed a telescope with two prisms set at right angles ...
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www.ncbi.nlm.nih.gov/pubmed/6833968
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Simple, relatively inexpensive right-angle telescopes especially designed for laryngoscopy are now available to facilitate this examination. In one study ...
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www.newportglass.com/grind2.htm
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Abridged from an article appearing in Telescope Making #13 ..... If it passes naked-eye inspection, examine the focused beam on the surface with a .... as star images on either side of focus are elliptical in shape, with axes at right angles.
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www.reverte.com/microsites/docs/9788429100000/publica/C...
www.reverte.com/microsites/docs/9788429100000/publica/Ch32_SSM.pdf
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the images formed of an object on the bisector of the angle between the mirrors. ( c) Repeat Part ... The eye should be to the right and above the mirrors in order to see these images. ...... In your botany class, you examine a leaf using a convex. 12-D lens ... You have a simple telescope that has an objective which has a focal ...
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www.prismnet.com/~hcexres/textbook/recomx6c.html
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The secondary mirror reflects the light out of the tube at a right angle and into ... For this comparison, only refracting and reflecting telescopes will be examined.
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