What type of lens is capable of letting in a lot of light?

The larger lens has more area to collect light, which actually equates to an image more then twice the brightness at a ratio equal to πr² where r equals the radius of the lens. The image would, however, be no larger since the focal length of the lens is that same.

Explanation:

I hope this is understandable :)

not because of any physical definition – as you can see cheerleading meets all of the athletic specifications. but, because cheerleading’s primary purpose is to support high school and college athletic teams. competition comes second! in other words, cheerleading is more than a sport.

explanation: