which allows more light
a 10x40 fixed power scope or a 8-32 varix scope?

any recomendations???

which allows more light
a 10x40 fixed power scope or a 8-32 varix scope?

any recomendations???

Assuming you mean exit pupil, divide the objective lens diameter by the power.
10 X 40: 40 divided by 10 equals 4. You have an exit pupil of 4mm
8 X 32: 32 divided by 8 equals 4 at max setting.

It would stand to reason that the exit pupil will get larger as the power is lowered. At 2 power, the 32mm scope will have an exit pupil diameter of 16. How big is the pupil of the eye or how much light can you really use? In total darkness, a youngster might get up to 7mm but as you age that number goes down. Some folks figure 5mm is about the max that is useful but even that is at night. Figure in daylight, your pupil size might be 2mm so either of these scopes will give you a good view and if it's a good quality scope, should work fine at dusk.

Welcome to the forum pfarm. Rules are simple, be nice and join in.

Using big type on a forum is akin to shouting. What are you planning to put a scope on and for what type of usage?

Welcome to the forum pfarm. Rules are simple, be nice and join in.

Using big type on a forum is akin to shouting. What are you planning to put a scope on and for what type of usage?

putting on rem 700 bdl 22-250

would the sraight 10x be more accurate or the 8x32x40???

Assuming you mean exit pupil, divide the objective lens diameter by the power.
10 X 40: 40 divided by 10 equals 4. You have an exit pupil of 4mm
8 X 32: 32 divided by 8 equals 4 at max setting.

It would stand to reason that the exit pupil will get larger as the power is lowered. At 2 power, the 32mm scope will have an exit pupil diameter of 16. How big is the pupil of the eye or how much light can you really use? In total darkness, a youngster might get up to 7mm but as you age that number goes down. Some folks figure 5mm is about the max that is useful but even that is at night. Figure in daylight, your pupil size might be 2mm so either of these scopes will give you a good view and if it's a good quality scope, should work fine at dusk.

hate to have to correct on this but it's not 8x32...it's 8x32x40 8-32x40 as in my 1st post

so using your math 40 divided by 32=1.25...32 x is real bad right?

and 40 divided by 8 is 5

so they would be exsactly the same at 10x right...(4)

correct me if I am wronhg please...just going by your math

I think you have the general idea. Just divide the objective lens diameter by whatever the power setting is. 5mm is slightly better than 4mm. Think of it like a window, as the exit pupil gets smaller, it's harder to see through and the field of view gets smaller. If the exit pupil gets too small, it gets hard to center your eye for a clear picture. Just my opinion but 32 is too much for anything other than a 100 yard bench gun. They can be hard to focus and have a very narrow field of view. I prefer scopes from 3X9X40 up to 6X24X40. Best advice is get a good one. Clarity is more important than magnification. A 32 power Chinese scope won't focus on an elephant at a few hundred yards but a good quality scope can give a clear image at 1000 yards on 16 power on a clear cool day.
Of your choices, I'd get the 10 power over the 8X32.
A BDL .22-250, sounds like varmints are on the menu?

If you plan on using this for a coyote calling gun it's way to much power. Often calling will get a coyote up to withing 50 yards and closer and scopes much past 4 by 12 variables don't have enough field of view for that kind of work.

If this is a ground squirrel, PD or rockchuck gun then the high power scope would be fine. I use an old Tasco 8 by 32 variable for ground squirrels in the spring and summer then put a 2 by 7 or 3 by 9 variable on in the fall for coyote calling. I haven't used fixed power scopes except for one old four power Leupold for lots of years.


Lumberjack has a good point about clarity, though I've got both a BSA 6 by 24 and an old Japanese 8 by 32 target dot that seems pretty clear on two different varmint rifles. Sometimes you just get lucky. Usually the more expensive the optics the nicer they are.

I think you have the general idea. Just divide the objective lens diameter by whatever the power setting is. 5mm is slightly better than 4mm. Think of it like a window, as the exit pupil gets smaller, it's harder to see through and the field of view gets smaller. If the exit pupil gets too small, it gets hard to center your eye for a clear picture. Just my opinion but 32 is too much for anything other than a 100 yard bench gun. They can be hard to focus and have a very narrow field of view. I prefer scopes from 3X9X40 up to 6X24X40. Best advice is get a good one. Clarity is more important than magnification. A 32 power Chinese scope won't focus on an elephant at a few hundred yards but a good quality scope can give a clear image at 1000 yards on 16 power on a clear cool day.
Of your choices, I'd get the 10 power over the 8X32.
A BDL .22-250, sounds like varmints are on the menu?

for sure!!!
thanks

whats your oipinion on these..most all reviews I've read are 5 star
http://www.bushnell.com/general/riflescopes_elite3200_32-1040m.cfm

ttt:confused:

ttt:confused:

ttt:confused:

Appreciate your enthusiasm, but double posts are against rules and most members don't look in every few hours, anyway. Take a deep breath and give them a little time. The top doesn't particularly get more attention here, either. It is the bold blue type that shows a thread contains a post the member hasn't seen before that does it.

I haven't shot the particular scope you are interested in, but Bushnell's reputation is excellent and the handgun scope of theirs I have is excellent. You might want to go to a Gander Mountain or other store that carries a selection and look through them to figure out what you like? When you get good, bright optics, often the look of the reticule or the placement of the controls becomes a deciding factor and you can't always tell without looking? I opted against a popular Burris mil dot scope to get a Sightron mil dot scope (Sightron was then a new brand) based on such a comparison.

The Chandler brothers say the shift of POI with change in magnification on name brand variables is a thing of the past, and they've tried a lot of them, so I wouldn't worry about accuracy with Bushnell, Burris, Leopold, Weaver, Nikon, Nightforce, etcetera. I can vouch for Sightron.