The Explore Scientific AR102 Air-Spaced Doublet Refractor is a classic air-spaced, crown-and-flint, doublet achromatic refractor with superior-class optical figure, in a short (f/6.5) focal length design. Like its two larger brothers, the AR127 and the AR152, these optics produce stunning images of deep-sky objects and planets. Their price is a small fraction to that of comparable aperture apochromatic refractors making them an extreme value.
The Explore Scientific AR Series is equipped with standard hardware that includes a precision two-speed focuser, a 99-percent reflective 2-inch diagonal mirror, dew shield and an 8X50 Finder Scope. Be confident that the quality and design of these telescopes are meant for many years of use and is endorsed by its Explore Scientific Lifetime Warranty!
EXPLORE SCIENTIFIC AR102 SPECIAL FEATURES
Its collimatable lenses are fully multi-coated to eliminate light scatter and maintain image contrast. Although you may never need to adjust optical alignment, the AR Series allows for collimating the lens set should the telescope ever require it.
Explore Scientific’s Universal Mounting Plate is made from extruded aluminum for added strength. The mount fits on many popular equatorial and Alt-Az mounts, including mounts supplied by Explore Scientific, Celestron, Vixen and others. Adjustment screws and locking bolts to allow adjustments to position the angle of the telescope when it is placed on its mount.
The Explore Scientific 8X50 Finder Scope provides a true 6-degree field of view. Its coated optics provide a bright high-resolution image so that many faint stars and nebulosity can be detected for precise aiming.
A standard single-speed focuser, can be put out of focus from a simple nudge. As a standard on all Explore Scientific AR Series, a two-speed Crayford-style precision focuser is included. With tension adjustment and lock to hold perfect focus, one knob works for fast focusing while the other works on fine focusing.
Comfortable, Incredible Diagonal
The purpose of a diagonal is to securely hold your eyepiece and to give you a comfortable viewing angle. Provided as standard equipment, Explore Scientific's 2-Inch Dielectric Diagonal incorporates a light-weight, one-piece diagonal body that securely cradles the polished diagonal flat mirror, ensuring precision alignment. Ultra-high reflective coatings (99-percent reflective) composed of multiple thin layers of dielectric material delivers maximum light output.
OPT Product Number: ES-DAR102065-01