Continuing our quest to develop products that "push the envelope" of
astronomical imaging performance and affordability, we're pleased to
introduce a telescope that does that in spades. The Premium "Mak-Newt"
Astrogaph enables large-aperture, flat-field imaging for a fraction of
the cost of even much smaller premium astrographs.
This telescope features a completely
flat-field, coma-free optical
system that's optimized for CCD and DSLR cameras. The 190mm (that's
7.5") Maksutov-Newtonian optics provide tremendous resolution in a fast
f/5.3 design. The primary mirror is figured from low-expansion Pyrex
glass, and the front meniscus lens from quality BK7 Schott glass, fully
multi-coated for maximum light throughput. The images rendered are
truly spectacular, with pinpoint stars from center to edge of the field
of view, rivaling the very best premium apochromatic refractors, which
cost thousands more.
These images are cropped at 100% zoom,
taken from the far lower top
corner of a full DSLR image. The coma seen in the top image was taken
with a standard 150mm f/5 Newtonian. The image on the bottom with
pinpoint stars was taken with the Premium 190mm F/5.3 Mak-Newt OTA. The
coma-free optical system of the 190mm Mak-Newt enables imagers to
utilize the entire imaging area provided by the camera, even large
cameras like DSLRs or the StarShoot Pro.
"Premium" also describes the quality of
the
telescope's mechanical construction and components. The 37.5" optical
tube is made of thick 1.5mm metal to ensure durability and to hold
collimation. The ivory-tone enamel has a classy, subtle sparkle to it,
like the finish on a fine automobile. Inside, five knife-edge baffles
eliminate internal reflections to provide exceptional contrast. The
machined aluminum 2" Crayford focuser offers smooth motion and secure
support for CCD and DSLR cameras and additional accessories. The
included 2" and 1.25" adapters feature non-marring brass compression
rings. A dovetail base near the focuser accommodates an optional Orion
finder scope. The telescope's rear cell has tapped holes for an
optional Cooling Accelerator Fan (#7816) to aid in rapid equilibration
of the optics to ambient temperature.
Unlike some expensive astrographs that
are limited
to photographic use only, our Premium Mak-Newt performs just as
admirably with an eyepiece as with a camera. With the included focuser
extension adapter, visual astronomers can enjoy the sharp,
high-contrast views that only a well-made instrument can deliver.
But for intermediate to advanced
astronomical
imaging, no other telescope comes close to matching the Orion Premium
F/5.3 Maksutov-Newtonian Astrograph's groundbreaking value. So get the
instrument that has imagers worldwide all a buzz - the astrograph with
performance so impressive you'd think it would cost four of five times
as much. And "push the envelope" of your own imaging capabilities --
affordably.
Sold as optical tube only. Includes
objective cap.
Deluxe tube rings (#7376) and other accessories sold separately. Weighs
22 lbs. One-year limited warranty.
