645 AF Critical Focus Magnifier

In this article, I’ll introduce you to the basic elements that you can use to control exposure in your shooting. If you have a digital SLR, there will be a way to set all of these controls on your camera, but since they differ between manufacturers and models, you’ll need to refer to your camera’s manual to find out exactly how to change them. All cameras, whether an ancient film camera, or a more modern digital, work in pretty much the same way. Photographs are taken by letting light fall onto a light-sensitive medium, which records the image. Traditionally, this has been film, but more recently, it tends to be a digital sensor. The more light that falls onto the film or sensor, the lighter the image. Put simply, a camera consists of a light-tight box that stores a light-sensitive device (either a film or a digital sensor), a lens that magnifies and focuses the image onto that light-sensitive device through a hole in the box (called the aperture) , and a shutter that opens ...

What kind of printer is best for me? Choosing the right printer can be a daunting task. There are several different types of printing technology to choose from, each suited for different needs. Printers come in all shapes and sizes, from tiny travel companions to workgroup workhorses; some are geared toward photographers, others are for multitaskers. And the many specifications for resolution and speed can be misleading. As a rule of thumb, inkjet printers are a must for long-lasting photos, while laser printers are best to produce speedy text documents. User types: Home user | Budding novelist | Digital photographer | Entrepreneur | Corporate cog | Frequent flier Home user  The home user demands a lot from a printer. The device must tackle everything from a book report to a newsletter to the occasional snapshot--all without breaking the budget. This is why for most home users, the best choice is a versatile and affordable printer, such as a small-office/home-office color ...