Meade 2080 Instruction Manual page 12

8 inch schmidt-cassegrain; 10 inch schmidt-cassegrain
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-13-
affect such optical characteristics as field of view,
flatness of field, and color correction.
The table below lists the operating
powers of ~he Models
2080 and. 2120 telescopes, when the in,strument is used with
eyepieces of varying focal lengths.
Eyepiece
Focal
.Length
40mm
32mm
28mm
25mm
20mm
l8mrn
l6.8mm
lS.5mrn
12.4mm
10.5riun
9rnm
7mrn
6rnm
4rnrn
Magnifying
Power
When Used with Model
2080
Magnifying Power
When Used with Model 2120
sox
63X
7lX
80X
lOOX
lllX
ll9X
129X
l61X
190X
222X
286X
333X
SOOX
63X
78X
89X
lOOX
12SX
l39X
149X
161X
202X
238X
27'8X
357X
4l7X
625X
Because of certain characteristics of the human eye (in
particular, eye pupil diameter) and because of optical
considerations inherent in the design of a telescope, there
exist minimum practical power levels also~
Generally

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2120

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