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Questions and Answers
If the Obsession-20 telescope's mirror has a focal length of 2540 mm, what is the magnification when using the eyepiece in Prime Focus observing?
If the Obsession-20 telescope's mirror has a focal length of 2540 mm, what is the magnification when using the eyepiece in Prime Focus observing?
- 100x
- 25x (correct)
- 254x
- 500x
What is the focal length of the human eye used as an eyepiece for the Obsession-20 telescope in Prime Focus observing?
What is the focal length of the human eye used as an eyepiece for the Obsession-20 telescope in Prime Focus observing?
- 10 mm
- 250 mm (correct)
- 1000 mm
- 25 cm
What is the focal length of the mirror of the Obsession-20 telescope used in Prime Focus observing?
What is the focal length of the mirror of the Obsession-20 telescope used in Prime Focus observing?
- 170.0 cm
- 32,524 mm
- 2540 mm (correct)
- 5.9 mm
If the focal length of the human eye was 1000 mm, what would be the magnification for the Obsession-20 telescope in Prime Focus observing?
If the focal length of the human eye was 1000 mm, what would be the magnification for the Obsession-20 telescope in Prime Focus observing?
What would be the magnification for the Obsession-20 telescope in Prime Focus observing if the eyepiece's focal length was 4 mm?
What would be the magnification for the Obsession-20 telescope in Prime Focus observing if the eyepiece's focal length was 4 mm?
In Prime Focus observing with the Obsession-20 telescope, what would be the magnification if there was no eyepiece used and only the human eye with a focal length of 1.83 cm was employed?
In Prime Focus observing with the Obsession-20 telescope, what would be the magnification if there was no eyepiece used and only the human eye with a focal length of 1.83 cm was employed?
What is the role of the eyepiece in a telescope?
What is the role of the eyepiece in a telescope?
In the given proportion, what does H represent?
In the given proportion, what does H represent?
What is the formula for calculating magnification in a telescope?
What is the formula for calculating magnification in a telescope?
What is the magnification of the David Dunlap telescope?
What is the magnification of the David Dunlap telescope?
If an eyepiece was eliminated and the human eye was used instead, what effect would this have on the magnification of the image?
If an eyepiece was eliminated and the human eye was used instead, what effect would this have on the magnification of the image?
If an eyepiece with a focal length of 8 mm is used with an objective lens of 1600 mm, what is the magnification?
If an eyepiece with a focal length of 8 mm is used with an objective lens of 1600 mm, what is the magnification?
