Table of Contents
Advertisement
-
12
•
#812 Polar Alignment Finder
The LXD 500 equatorial mount has a provision
in its polar axis for the addition of the #812 Polar
Alignment Finder.
This borescope device
facilitates quick, precise polar alignment of the
telescope.
An internal reticle contains an
etched clock-like scale.
A separate Polar
Reference Circle shows the correct position of the North Star on
the Finder's reticle scale at any time and day of the year.
object in the field of view without manual adjustments in R.A
Add the #1705 Declination Motor to the #1701 for full dual-axis
drive capabilities.
#1702 Dual-Axis Drive System
Attaching the #1702 Dual-Axis Drive System to the LXD 500
Equatorial Mount provides quartz-controlled sidereal-rate
tracking in R.A., plus full dual-axis drive capability at any of four
photo-guide or microslew speeds: 2x, 8x, 16x, or 32x.
#928 45° Erect-Image Diagonal
Prism
Images through the diagonal mirror
appear right-side-up, but reversed left
for right. For terrestrial viewing, when
correct image orientation is desired,
insert the #928 45° Erect-Image Diagonal Prism into the
eyepiece holder of the 102ACHR/500 telescope, followed by an
eyepiece. Use of the #928 results in a correctly oriented image
at a convenient 45° angle.
Epoch 2000sk Sky Software
Epoch 2000sk is the most powerful,
most realistic sky software ever made
available, allowing users to click on any
one of
281,000 database objects
displayed on a starfield to see the
object's name, coordinates, magnitude,
object type and description.
Other features allow a user to
zoom-in on telescope fields smaller than one arc second, locate
planets to a precision of 0.1 arc seconds, print professional-
quality star charts in either black and white or color and much
more.
#778 Off-Axis Guider
With the #778 Off-Axis Guider placed into the
focuser of the 102ACHR/500, the telescopic
image may be monitored during long-exposure
astrophotography. Any 35mm SLR camera with
removable lens may be attached to the #778
guider body by means of a T-mount appropriate to the camera
brand.
Variable-Projection Camera
Adapter (1.25")
For
astrophotograpny
through
the
102ACHR/500,
insert
the
Variable-
Projection Camera dapter directly into the
focuser drawtube (6), Fig, 6. The camera adapter includes a
machined sliding mechanism, permitting variable projection
distances during eyepiece-projection photography. A separable
thread-in unit also permits prime focus photography. Use with a
T-Mount, ordered separately, for your brand of 35mm camera
body.
#1701 Single-Axis Drive System
With the Model 102ACHR/500 telescope polar aligned
the
addition of the #1701 Single-Axis Drive System allows the
telescope to track on a desired object automatically, keeping the
#1705 Declination Motor
The #1701 Single-Axis Drive System becomes a complete, fully
functioning dual-axis drive system with the addition of the #1705
Declination Motor.
Meade General Catalog
For your free copy of the Meade General Catalog write, call, or
fax Meade Instruments:
Meade Instruments Corporation
16542 Millikan Avenue
Irvine, CA 92606
Phone: (714) 451-1450; Fax: (714) 451-1460
TELESCOPE MAINTENANCE
AND SERVICING
The Model 102ACFIR/500 is a precision optical instrument
designed to yield a lifetime of rewarding applications. Given the
care and respect due any precision instrument, the Model
102ACFIR/500 rarely requires servicing.
General Maintenance Guidelines
1.
Avoid cleaning the telescope's optics: a little dust on the
front surface of the telescope's lens causes virtually no
degradation of image quality and should not be considered
reason to clean the lens.
2.
When absolutely necessary, dust on the front lens should
be removed with very gentle strokes of a camel's hair
brush or blown off with an ear syringe (available at any
pharmacy).
3.
Organic materials (e.g., fingerprints) on the front lens may
be removed with a photographic lens cleaner solution,
using soft, white facial tissues. Make short, gentle strokes
and change the tissues often.
4.
If the Model 102ACFIR/500 telescope is used outdoors on
a humid night, water condensation on the telescope
surfaces will probably result.
While such condensation
does not normally cause any damage to the telescope, it is
recommended that the entire telescope be wiped down
with a dry cloth before the telescope is packed away. Do
not, however, wipe any of the optical surfaces.
Rather,
simply allow the telescope to sit for some time in the warm
indoor air, so that the wet optical surfaces can dry
unattended.
5.
Do not leave the Model 102ACHR/500 telescope inside a
sealed car on a warm summer day: excessive ambient
temperatures can
damage the telescope's
internal
lubrication.
Advertisement
Table of Contents
