Back in the days of 35mm film, a 50mm prime was considered a 'standard' lens. That's because it gives pretty much the same perspective as viewing a scene with the human eye, without the magnification of a telephoto lens or the shrinkage a wide-angle lens uses to squeeze more into the frame.
The flexi disc (also known as a phonosheet or Soundsheet, a trademark) is a phonograph record made of a thin, flexible vinyl sheet with a molded-in spiral stylus groove, and is designed to be playable on a normal phonograph turntable.
March 31, 2015. A DVD drive is a component of a computer or other electronic device designed specifically to utilize digital versatile discs, or DVDs. They are installed on everything from desktop computers, laptops, DVD players, cars, televisions and many other devices and areas. They have grown from their first inception in 1997 to the Blu-Ray discs today.