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Scope
The primary instrument will be a 10” Meade LX-200 classic SCT. It
will either have the current 120mm Astroview refractor or another more
suitable wide field refractor mounted piggyback. I will probably
piggyback my PST Ha solar scope for daytime solar viewing and imaging.
Here is a link to the manual for the LX200 CLassic: Manual

Here's the 10" Meade LX200 Classic installed in the dome. It
currently has either an Orion Astroview 120mm F5 refractor or a 4.5"
starblast reflector piggybacked.
It also has an ETX70 refractor piggybacked where the original
finder use to be and a 30mm finder attached to the right of the
piggyback scope. These combinations give me lots of flexibility
when it comes to viewing or imaging. One of these days I will get
an APO to piggyback but that's a ways off.
Orion
120mm f/5.0 Refractor Telescope Optical Tube
•Perfect for deep-sky pursuits and excellent for astrophotography
•120mm aperture and 600mm focal length for breathtaking wide-field
views
•Does not include mount or tripod - can be purchased separately
•One-year limited warranty
This compact, large-aperture Orion 120mm F/5.0 Refractor Telescope
Optical Tube is perfect for deep-sky pursuits. Its 120mm (4.7"),
multi-coated achromatic telescope lens assembly and modest 600mm focal
length combine to provide breathtaking wide-field views. With an
optional 25mm Plossl telescope eyepiece, this telescope serves up a
sprawling 2.1-deg swath of sky! The fast f/5.0 optical system also
makes it an excellent telescope for astrophotography. The 26"-long
optical tube is well baffled to ensure good contrast. The cast-metal 2"
rack-and-pinion focuser accommodates either a 1.25" or 2" diagonal, so
you can use 1.25" or 2" telescope eyepieces. Tube color is gunmetal
gray metallic. A mounting base molded into the focuser casting to
accept an optional Orion finder scope or EZ Finder II. Sold as tube
assembly only without accessories. Includes objective lens cap.
One-year limited warranty.
Orion StarBlast
4.5 Imaging Reflector Optical Tube
•Simply the most affordable astrophotography-optimized telescope
available!
•Big 4.5" primary mirror and fast f/4 focal ratio produce stunning
images with short exposure times.
•Fully illuminates Orion StarShoot Deep Space Imager and other
small-chip CCD cameras
•Compact, lightweight, easily transportable, and works with 1.25"
eyepieces for observing
•Offered as an optical tube assembly only, no accessories
If you're looking for an exceptional telescope for astrophotography
that won't cost you big bucks, then check out this affordable
alternative. We've optimized the optics of our popular
short-focal-length Orion StarBlast 4.5 Imaging Reflector Optical Tube
to give a fully illuminated field of view with the Orion StarShoot
Deep-Space Imager and similar small-chip astronomical charge coupled
device (CCD) cameras. The result is a compact imaging telescope with a
price that will please the budget-conscious astrophotographer —
beginner or expert — and with the performance that will give
pricey refractors a run for their money.
With its big 4.5" parabolic mirror and fast f/4 focal ratio, the Orion
StarBlast 4.5 Imaging Reflector Optical Tube provides exquisite,
high-quality images ó and it's simply the most affordable
astrophotography-optimized telescope in the market. Unlike refractors,
the Orion StarBlast introduces no chromatic aberration with negligible
coma. The fast focal ratio also minimizes exposure time and guiding
errors.
To achieve 100% illumination with the StarShoot Deep Space Imaging
Camera, we slightly widened the secondary mirror and extended the focal
point further out in the focuser. The short focal length provides a
wide field of view for imaging with small-chip charage coupled device
(CCD) cameras. While the telescope works with standard 1.25" eyepieces
(Sirius Plossl recommended) some wide-field telescope eyepieces may
require the use of an extension tube to reach focus.
At only 3.7 lbs, the StarBlast 4.5 doesn't require a heavy mount and it
transports easily to your favorite site. The 1.25" focuser accepts
1.25" telescope eyepieces for visual use as well.
The Orion StarBlast 4.5 Imaging Reflector Optical Tube is offered as
tube assembly only, with no accessories. One-year limited warranty.
Please note this product was not designed or intended by the
manufacturer for use by a child 12 years of age or younger.
Need Instructions?
Download a PDF file of the Instruction
Manual for this product. Requires Adobe Reader version 3.0 or
higher.
I bought one of these with a bad mount and
removed the OTA (optical tube assembly) for use as a finder
replacement. It allows flip mirror between a normal eyepiece and
a reticle or an eyepiece and a cheap imager for remote finder
application.
Optical Design: Refractor
Optical Diameter: 70 mm
Focal Length: 350 mm
Max Useful Magnification: x 240
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