The sensor: The most obvious difference between film and digital is the sensor used to take the photo. With film cameras a film sensitive to light is placed behind the lens. When a photo is taken the shutter opens for a predetermined period of time and light hits the film. The result is a photo "printed" on the film.
you shouldn't eat any shark, swordfish or marlin. You should also limit your tuna intake to no more than two 140g tuna steaks or four 140g cans of tuna per week. This is because these fish are slow growing and may contain more mercury than other types of fish, which can affect your baby's developing nervous system
