Some people use the term focus, or clarity, to describe the feeling. But it's not an illusion; it's a measurable effect. A good pair of binoculars can help your brain perceive far more stars than you can with the naked eye. (Image credit: Jeremy Lips & Dave Brody) Binoculars vs. ...
If set properly, the image should be sharp and clear, and the diopter should not need to be set again. Individual Focus (IF) Rotate the dioptric adjustment rings on both eyepieces separately to align the focus for each eye. With both eyes, look through the binoculars. If set properly,...
Use binoculars, spotting scopes, or a zoom lens on your camera to observe wildlife from a distance. The general rule is to stay at least 100 yards (about the length of a football field) away from most wildlife. Do Not Approach or Chase Wildlife ...
it is also true that many others have had their initial enthusiasm for astronomyseverely dampenedby theirfirst telescope— particularly if they didn't know how to properly use it, and any initial pleasure soon turns to frustration.
Follow these steps to hold a camera properly: Stand with your feet shoulder-distance apart and firmly planted. Place your left hand under the lens. Many beginners want to place the left hand on the side of the lens, which is not as sturdy. Use a firm grip with fingers spread wide, att...
You can use a contact thermometer with aFluke IR calibratorto get better uncertainties, although it’s challenging to do. You have to understand the uncertainties involved and how to configure the equipment properly. We’re working on more information to help you through this and will...
A projection using a small telescope or binoculars can provide much larger, brighter and sharper image of the Sun A small, cheap telescope (or binoculars) without a solar filter can be used to project the Sun's image onto a white screen. Obviously it is strictly forbidden to look through ...
Turn and remove the protective ring on the lens or the cap on the front end lens of the binoculars. There will be one cap wrapping each lens. If you find it hard to loosen the cap by hand, use a strap wrench. Do not use a crescent wrench or pliers, as this will badly scratch an...
$2500+ – moving up into high end territory now, as you start to spend over this amount you are looking at more professional oriented cameras which will capture amazing images in a wide range of lighting conditions if you put the time into learning how to use them properly. ...
Although the alt-azimuth mount is simple and easy to use, it does not properly track the motion of the stars. In trying to follow the motion of a star, the mount produces a "zig-zag" motion, instead of a smooth arc across the sky. The zig-zag motion in the figure above is exagger...