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Low Power

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Posted by Bob Sal on February 21, 2002 14:21:14 UTC

Many deep sky objects look better under low power. High power dulls and dims the image. Low power gives a sharper brighter image. For example M31, M45 and M42 you will not using high power for. It's also easier to find objects with a low power eyepiece. Remember, it's not about magniifation. A sharper smaller image is very often better than a larger dull image. Of course the planets stand up under higher magnification when the atmosphere is still. But you should use lower magnification for most deep sky objects and for hunting them down. If your scope is f/5 or lower, go with a 32MM. F/5 or higher go with the 40MM. A 15MM and 9MM is good. You'll use the 15MM on deep sky stuff to get a closer look and the 9MM will be good for the planets. I use my bigger eyepieces about 80% of the time.
That's it;

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