If your binocular has a larger exit pupil of, say 5-7mm, over half of that light coming through the binoculars will be blocked out by the iris and it won't be used by the pupil - you'll still only see images as bright as if the exit pupil were no more than 2-3 mm. Tip: A ...
If the comet has an outburst (as it has recently), it may be visible through binoculars during totality. Concentrate your gaze 6° to the right of Jupiter. How far is 6°? The field of view when you look through 7x50 binoculars in 7°. Here’s a chart showing the comet’s pos...
For binoculars, I own the Orion Paragon-Plus and a Manfrotto MVH500AH fluid head. The Paragon-Plus is great for porro binoculars. It currently have my Nikon AE 7x50 mounted. It is great for my kids (my 2.5 year old daughter saw the moon with this) as I can point at a target and ...
The specifications of binoculars are often expressed by numbers like 8x30. 8 means that the telescope has 8 times magnification and can shorten the distance of the observation target by 8 times. For example, a target 800 meters away can be observed and imaged by an 8 times telescope. The s...
Anything that will help you see far away will work in the beginning. You very well may decide to buy binoculars especially for birding, but you can use opera glasses, telescopes or anything you have on hand. Ask a friend, who may have binoculars, if you can borrow them.[1] [2] 2...