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The AR102 102mm Achromatic Refractor Telescope from Explore Scientific
features a doublet achromatic lens system which virtually eliminates
chromatic and spherical aberrations. This translates to a
distortion-free viewing experience with true color rendition across the
entire field of view.
The scope uses a heavy-duty 2"
Crayford-style focuser. Unlike a traditional rack-and-pinion focuser, a
Crayford-style uses a steel rod held tightly against the focus tube.
This toothless friction system eliminates backlash and enables
ultra-fine precision focusing. The combination of aberration-free
optics, precision focusing and a fast f/6.5 focal ratio make this
telescope ideally suited for wide-field astrophotography and
A mounting cradle-ring clamps over optical tube
assembly (OTA), and lets the user adjust the orientation and position of
the scope relative to the mount to optimize viewing comfort and
balancing, while avoiding interference with other equipment. The scope
is offered without a mount or tripod, but a Vixen-style dovetail plate
makes it compatible with any mount head with a Vixen-style saddle.