Cheap telescopes (like you are proposing) are cheap. ... High quality optical
glass is as expensive as it ever has been so far as I know. Certain ...
And most of us are left wondering, so which telescope is for me? ... More
expensive than reflectors of equal aperture; Its appearance may not be suited to ...
Apr 27, 2015 ... What makes this so expensive? I know that a good ... But why are camera lens so
much more expensive than refractor telescopes? telephoto ...
Feb 11, 2016 ... It might still be great on planets, but I personally wouldn't wat this telescope,
because of it's extremely narrow field of view. 2 people like this ...
Before you buy a telescope, you should first consider binoculars. They are ... This
problem is greatly mitigated in more expensive models by the addition of more ...
Mar 22, 2011 ... So what is a Dobsonian telescope and why are they so good? ... They can be
many times larger and less expensive to produce than scopes ...
Oct 4, 2011 ... The radio telescope is the most expensive ground-based telescope ever built -
and the highest-altitude, at 16,000ft. Chile's Atacama desert was ...
Aug 6, 2011 ... Buying a telescope can be very daunting if you've never used one before. Read
this ... Taking pictures with a telescope is hard and expensive.
What is the reason why large (30 inches or larger) refractor telescopes are ... and
2) manufacturing the glass of that size is too expensive (but if that is so, ... as
Burair Zaidi says a large glass lens in the end of a very long tube is very unstable
Apr 16, 2014 ... Aperture: A Telescope's Most Important Specification .... For this reason,
refractors are the most expensive instruments of any given aperture.