Using Camera Raw and Alpha channels for masking in photoshop.Much can be said of masking: Masking is the art of using the image to select itself. Masking lets you apply the entire weight of Photoshop to the task of editing a selection. And masking, thy name is alpha channel.
If you are frustrated with images that look bright on screen but dull when printed, watch this video to understand a bit about Color Profiles and Color Numbers. The basics are that when using a Convert command you are preserving the appearance and in order to do that you must convert the Color Numbers.
Canon 5200mm F14 Prime Lens. The world's largest dedicated SLR Super Telephoto lens.
Extremely rare. Made in Japan.
Most probably a government ordered cold war spy tool - it certainly wasn't designed to look at the stairs with the use of it's ND filters...
It uses a mirror & lens combination. The front lens is massive.
Rear drop-in filters can be used.
•Focal Length: 5150mm
•Exposure Control: Light quantity is controlled with the use of built-in ND filters, corresponding to f/14, f/16, f/22, f/32
•Minimum Object Distance: 120 meters (Approx 393 feet!)
•Size: 500mm(wide) x 600mm(high) x 1890mm(deep) [20x24x75.6]
•Weight: 100kg (220 lbs) without stand. (more...)