For binoculars, the optical diameter (also known as objective lens diameter) is the size of each of the front-facing objective lenses of a binocular measured in millimeters. Binoculars with larger objective lenses collect more light, which increases image resolution and brightness.
Sketchpad: Free online drawing application for all ages. Create digital artwork to share online and export to popular image formats JPEG, PNG, SVG, and PDF.
Sketch Mobile is a drawing tool that takes advantage of the new capabilities presented in modern mobile browsers; including multi-touch, the accelerometer, and the gyroscope; providing a fun & novel environment to express yourself in colorful ways! Sketch Mobile was commissioned by Google as part of the Mobile Chrome Experiments released at Google I/O 2012. Sketch Mobile utilizes multi-touch ...
Here’s something we should all totally get behind: strangers drawing strangers Facebook profile pictures. Called Selfless Portraits, it’s an incredible art project that allows random people to draw ...
Add Yahoo as a preferred source to see more of our stories on Google. Picking binoculars for stargazing takes more than looking at the binocular’s magnification, though it’s important to consider. We ...
CNN: The best astronomy binoculars and stargazing accessories, according to real stargazers
For backyard astronomers, the promise of image-stabilized binoculars is simple: sharper, steadier views of the night sky without a tripod. The question is whether that extra stability, and the ...
Forbes: Explore The Night Sky With The 6 Best Binoculars For Stargazing
Learn how to get the most out of your binoculars and improve your stargazing experience with our easy-to-follow guide. When you purchase through links on our site, we may earn an affiliate commission.