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This is a link to the old forums.
www.buckmasters.com/forum |
| | Author | Messages | |
oldgun - 
Button Buck
 | | 10/11/2008 10:19 AM |
| | Probably an old ? but can someone tell me what the numbers stand for on a scope? i.e. 3-9X40mm. Just purchased my first scope a Bushnell for this seasons whitetail. Installing it on a 35remington slide action and have never had much to do with scopes. Thanks! | | | |
| mcraddock -
6-Pointer
Possum Kingdom, SC
| | 10/11/2008 11:58 AM |
| Sure oldgun. That scope will do fine on your rifle. The 3-9 refers to the scopes magnification power with 3 being the lowest (good for close or moving shots) and 9 being the strongest (best for 100 yards or more). The 40mm is the objective lens diameter. Thats the lens that is on the muzzle side of your scope. The larger that lens is, the more light gathering capacity it has. Bigger objective lenses do well in lowlight conditions like dawn or dusk. But the drawback is that you can get alot of glare during bright days. Smaller objective lenses do well on shotguns, muzzle loaders, or any other short range weapon. 32mm is pretty standard. 40mm is a great all purpose lens. 44mm and up are good for special applications like mine when 90 % of all my shots are in lowlight conditions.
Hope this helps and sorry if I repeated something you already knew. I just like sharing info. | | | |
| oldgun -
Button Buck
| | 10/11/2008 5:52 PM |
| | Thanks for the reply. one more thing, this scope has clear covers, close to the eye is yellow tinged is this to cut down on glare or brightness? it seems to help when looking thro. it? so far realy like the scope seems to have a large area when looking thro. it. thaks again oldgun. | | | |
| mcraddock -
6-Pointer
Possum Kingdom, SC
| | 10/12/2008 5:25 AM |
| | You got it right! The yellow tint is to help cut down on glare. And the covers serve as dust shields when you are storing your rifle as well. And the large area you refer to seeing when looking through a scope downrange is refered to a scopes F.O.V. (field of view). It's another important factor I look at when purchasing a new scope. The thrird most important factor I look at is a scopes eye relief. That is the distance your eye must be away from the scopes ocular lens before you get a clear full picture. Shotguns and my .50 BMG get 5 inches of relief, where as my deer rifle gets about 3 inches. Handgun scopes get about 20 inches. You get the idea. | | | |
| Dakota Danny -
4-Pointer
| | 10/12/2008 10:55 AM |
| Since you're not much into scopes, I'd make one recommendation.
I have these two lens covers that are clear enough to see through if you had to take an up close shot quickly. However with a push of a button they spring up. I really like the extra protection that they provide! A little moisture and you're fighting that all day. If you put this on, the moisture builds on the outer protective lens. When you're ready to shoot, it takes a second to open it up and you're as clean and dry as you'd like.
Id rather take a second to open them up than try to clean the lens for a few minutes before I can shoot. So if you don't have a protector on the front, spend the extra $20 and get it. The first misty morning and you'll be glad you have it. | | | |
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