April 16, 2010, Newsletter Issue #73: The Larger Sized Refractors
Tip of the Week
Larger sized refractors include telescopes with apertures above 80mm to 200mm and even higher. In this class, you can start comparing the pros and cons of a refractor telescope versus a reflector or catadioptric with a similar aperture size. You can purchase one of the other types of telescopes with a comparable performance and a smaller cost. For the larger sized refractors with a 200mm aperture, you can pay upwards of $10,000 for some models. Astronomy enthusiasts with a die-hard allegiance to the refractor telescope cite the low maintenance, ease of use, and bright, clear contrasting images as a reason to stick this type of telescope, even with the high price tags.
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