Table of Contents
Advertisement
OPTIONAL ACCESSORIES
A wide assortment of professional Meade accessories is available for the ETX-
90EC. Meade accessories greatly extend many important applications to the
telescope, from low-power, wide-field terrestrial viewing to high-power lunar and
planetary observing. The premium quality of these accessories is well-suited to
the quality of the instrument itself.
Meade telescopes and accessories, including optional accessories for ETX-
series telescopes are available at more than
and Canada and through Meade international distributors worldwide.
Eyepieces: Meade Super Plössl (SP), Super Wide Angle (SWA), and Ultra Wide
Angle (UWA) Eyepieces in the standard American-size (1.25") barrel diameter (Fig.
23) permit a wide range of magnifying powers with the ETX-90EC. Powers obtain-
ed with each available eyepiece are shown in the following table:
Fig. 23: Optional eyepieces yield
higher and lower magnifying
powers with the telescope.
2000 dealer locations
Meade Super Plössl and Super Wide Angle Eyepieces are ideal for general-purpose
astronomical or terrestrial observing. The typical ETX-90EC user may wish to add two or
three of these eyepieces to his or her telescope. An introductory selection might include
the SP 9.7mm and SP 15mm eyepieces, while the more advanced observer might select
the SP 9.7mm, SP 12.4mm, and SWA 18mm. Meade Super Wide Angle Eyepieces yield
extremely wide fields of view, perfect for the examination of star fields, diffuse nebulae, or
for terrestrial applications. Under steady seeing conditions Meade UWA 4.7mm and
6.7mm eyepieces present the widest fields of view obtainable at high powers and are
excellent eyepieces for viewing the Moon and planets.
cause instant andirreversible damage to
your eye. Eye damage is often painless,
so there is no warning to the observer
in the U.S.
that damage has occurred until it is too
late. Do not point the telescope or its
viewfinder at or near the Sun. Do not
look through the telescope or its
viewfinder as it is moving. Children
should always have adult supervision
while observing.
Eyepiece
SP
6.4mm
SP
9.7mm
SP
12.4mm
SP 15mm 83X
SP 20mm 63X
SP 26mm
*
SP 32mm 39X
SP 40mm 31X
SWA
13.8mm
SWA
18mm
SWA
24.5mm
UWA
4.7mm
UWA
6.7mm
* Included as standard
equipment with the ETX-90EC
telescope.
** Use these eyepieces only
under extremely steady
atmospheric conditions.
WARNING! Never use the
Meade ETX-90EC Astro
Telescope to look at the Sun!
Looking at or near the Sun
will
With
Magnifying
#126
Power
2X
with ETX-
Barlow
90EC
Lens
195X
390X **
129X
258X
101X
202X
166X
126X
48X
96X
78X
62X
91X
182X
69X
138X
51X
102X
266X
N/A
187X
374X **
Hide quick links:
Advertisement
Table of Contents
