Question about Bushnell Voyager 78-9440 (440 x 12.5mm) Telescope
Help! I bought a telescope today at a garage sale and I am trying to find out some details about it and possible parts that I didn't get. This is the info printed on the telescope: BUSHNELL D=50mm F=600mm Model #18-1750 CHINA AL Any info would be appreciated.
This is a small telescope.You will get limited views with this scope.However you will be able to see the craters on the moon and the rings of saturn.Although they will not have any detail.You will be able to use it as a terestrial scope.For that it is ideal.You will need an erecting lens to turn the view right side up.You need atleast 1 eyepiece,finderscope,erecting lens(for terestrial views)and maybe a barlow lens.Keep in mind it is not magnification you are looking for it is the ability to gather light and a 50mm is not going to gather much.the bigger the objective lens the more light it will gather.Think of animals that come out at night,their eyes are bigger than those that are out in day light.Because the bigger the lens the more light it gathers,so magnification only plays a part if you can see the target with your light gathering ability.Because just like 1000x0 is 0 the same gos for telescopes.1000xblack is black..
Posted on Sep 15, 2007
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