- 14 -
Magnification = --------------------------------
Eyepiece focal length
Example:
The magnification achieved by the MCX-127 in conjunction with the SP 26mm eyepiece
is as follows:
1900 mm
Magnification = -------------------------------- = 73x
26 mm
Too much magnification: The most common mistake an inexperienced observer makes
is to "over-zoom" the telescope - he uses too high magnifications that no longer match
the telescope aperture and typical atmospheric conditions. Never forget that a smaller,
but bright and well-resolved image is far superior to a larger image, which appears to be
flat and poorly-resolved! See in this context the figure. 9 on. Magnifications beyond 250x
should only be used when atmospheric conditions are exceptionally stable.
Most observers should have three or four eyepieces and a 2x Barlow lens to take
advantage of the full range of meaningful magnifications possible with the MCX.
Basic knowledge
V
Fig. 26
Example for a too high magnification
(Saturn).
Содержание MCX Goto Series
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