Objective
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Other features include
apochromatic objective lenses, a Quick Target Acquisition eyepiece and HydroShield hydrophobic lens coatings.
The
apochromatic objective lenses of these telescopes typically produce razor-sharp high-magnification lunar and planetary views without noticeable levels of false color, or chromatic aberration.
ALTHOUGH SOMETIMES CONSIDERED a relic of the 19th century, the achromatic refractor continues to fill a niche among amateur astronomers who want the performance of an unobstructed optical system yet do not need an ultrapremium (and ultraexpensive)
apochromatic objective.
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