Download //TOP\ Shikaar Shikari Ka Movie In Hd
Download Shikaar Shikari Ka Movie In Hd
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Ginger will talk movies with Cinemas to complete your week’s worth of movies.Nastappi is about things that are happening to you.We are here to provide you interesting news, updates and other details about different movies and etc.Q:
Are two sets of primaries (lenses) required for a refractor?
I used to think I only needed one. I tried to reduce my scope ($5K) to something I could repair myself and it became much more expensive than that. I am working on a Celestron NexStar 3.5. Are there two (or more) lenses?
A:
Yes, any telescope requires two independent lenses. Whether your eyepiece is a Schmidt-Cassegrain design, refractor, or camera/CCD, each assembly requires a primary and image relay lenses. If you have a 10-40mm refractor and you want to shoot deep sky objects, you will need a 10mm (3.25 inch) objective lens, a 5.25mm (1.25 inch) eyepiece, and a 1.25-inch-objective. This gives you 0.5m (50 inches) of entrance pupil distance. If you have a 10-inch refractor, you will need a 10.25 mm (3.81 inch) objective, 5.25 mm (1.25 inch) eyepiece, and a 10 mm (3.81 inch) objective. These give you 3.5m (34 inches) of entrance pupil distance.
What is the difference between a refractor and a reflector?
A reflector has a larger aperture in the object plane than the entrance pupil distance, for example, 8 inches for an 80 mm reflector vs. 4 inches. A refractor has a smaller aperture in the object plane than the entrance pupil distance, for example, 80 mm for an 80 mm reflector vs. 10.25 mm for an 80 mm refractor.
Older-model 8″ reflectors may have serious aberrations, such as coma, so they are no longer recommended.
The question is really, what is the difference between an 80mm refractor and a 10mm reflector? With a 10mm objective, 10mm eyepiece, and 80mm entrance pupil, you can have both 10mm and 80mm objectives at the same time,
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