The best price for Vivitar DVR 508 HD is $49.08. This is presently the cheapest offer in New Zealand. The average rating is 1.9 out of 5 from 9 reviews.
The number of times the image can be enlarged with the optics of the camcorder. The optical zoom 'moves' you closer to the subject without sacrificing quality. The higher the optical zoom, the farther away you can be to take a clear, close-up image.