Celestron 80ED manual Care and Cleaning of the Optics, Photographing the Moon, More

Photographing the Moon

After looking at the night sky for awhile you may want to try photographing it. If you do, start with a nice, bright object like the Moon. To photograph the Moon:

1.Attach your spotting scope to a stable platform like the Celestron Photographic Tripod (#93596).

2.Load your camera with film that has a moderate-to-fast speed (i.e., high ISO rating). Faster films

are more desirable when the Moon is a crescent. When the Moon is full, and at its brightest, slower films are more desirable. If photographing during the full phase, use a yellow filter to reduce the light intensity and to increase contrast.

3.Center the Moon in the field of your spotting scope.

4.Set the shutter speed to the appropriate setting (see below).

5.Trip the shutter using a cable release so as not to shake the camera and spotting scope.

Lunar Phase	ISO 50	ISO	ISO	ISO 400
		100	200
Crescent	1/8	1/15	1/60	1/125
Quarter	1/30	1/125	1/250	1/500
Full	1/125	1/500	1/1000	1/2000

The exposure times listed here should be used as a starting point. Always make exposures that are longer and shorter than the recommended time. Also, try bracketing your exposures, taking a few photos at each shutter speed. This will ensure that you will get a good photo. Keep accurate records of your exposures. This information will be useful if you want to repeat your results or if you want to submit some of your photos to various magazines for possible publication!

CARE AND CLEANING OF THE OPTICS

Occasionally, dust and/or moisture may build up on the lens of your spotting scope. Special care should be taken when cleaning any optical instrument so as not to damage the optics.

If dust has built up on the lens, remove the dust with a camel’s hair brush or a can of pressurized air. Spray at an angle to the lens for approximately 2 to 4 seconds. Then use an optical cleaning solution (available at most optical suppliers) and white tissue paper to remove any remaining debris. Strokes should go from the center of the lens to the outer edge. Do not rub in circles.

You can use commercially-made lens cleaner or mix your own. A good cleaning solution is isopropyl alcohol mixed with distilled water. The solution should be 60% isopropyl alcohol and 40% distilled water. Or liquid dish soap diluted with water (a couple of drops per one quart of water) can be used.

Internal adjustments and cleaning should be done only by the Celestron repair department. If your spotting scope is in need of internal cleaning, please contact the factory for service.

More...

Celestron offers an extensive array of spotting scope accessories. Consult the Celestron Accessory Catalog (#93685) for details.

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