Today most hunting rifles have some type of scope this allows us hunters with less than perfect vision the ability to focus for a clear, clean shot at a target. The avg. deer hunter uses a 3-9x40 because the 3x power is low enough for low light transmissions and the 9x power gives you the magnification for longer shots. I also suggest multicoated lens, they reduce glare and loss of light due to reflection. We all hunt different areas and conditions, you need to take all of this into consideration to find the right optics for you.