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50,44,42 mm scopes ?

 
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  #1  
Old 09-11-2011, 09:39 PM
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50,44,42 mm scopes ?

I have never owned a 50mm scope. How much difference is it ?
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Old 09-11-2011, 09:50 PM
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Re: 50,44,42 mm scopes ?

Quote:
Originally Posted by Tnwhip View Post
I have never owned a 50mm scope. How much difference is it ?
Depends on the overall quality of the scope line.

All else being equal though it will increase your low light, light gathering capability by about 15-20%.
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Old 09-11-2011, 09:51 PM
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Re: 50,44,42 mm scopes ?

The larger the lens the more light it gathers, thus better view as it is getting daylight or getting dark. How much better depends upon scope lens clarity and other factors. In good light it will not matter which one you have.
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Old 09-11-2011, 09:57 PM
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Re: 50,44,42 mm scopes ?

I was looking at the vortex today. They had a 44 and a 50mm. It is just hard for me to get use to the big 50 sitting on my rifle. Now if it will give me another 15 minutes of shooting time that is another story.
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Old 09-11-2011, 11:10 PM
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Re: 50,44,42 mm scopes ?

Quote:
Originally Posted by Tnwhip View Post
I was looking at the vortex today. They had a 44 and a 50mm. It is just hard for me to get use to the big 50 sitting on my rifle. Now if it will give me another 15 minutes of shooting time that is another story.
It will.

It's only a difference of 6mm. You won't be able to tell the diff looks wise vs the 44mm, but you certainly will when it comes to shooting time.

It can easily mean the difference in a once in a lifetime buck on the wall and the "one that got away".

I've shot coyotes @ 300yds under a full moon with a 50mm Leupold and no spotlight.
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Old 09-12-2011, 06:51 AM
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Re: 50,44,42 mm scopes ?

All else being equal a 42mm scope at 6x will transmit the same light as a 50mm at 7x. No scope 'gathers' light as such. I would submit that other factors such as lens glass quality and lens coatings will have a bigger impact than lens size.

You 'get what you pay for' with diminishing returns I'm afraid. You can pay twice the price for a scope with only a 10% increase in quality. For some of us, it is worth it.
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  #7  
Old 09-12-2011, 07:58 PM
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Re: 50,44,42 mm scopes ?

Objective Diameter Divided by power magnification of scope = Exit Pupil. An exit pupil of about 3.5 up to about 5.5 or so will tend to give you good results in low light situations. Of course the quality of the glass and coatings makes a huge difference too. Thing is, as a persons eyes get older you can't take advantage of as much exit pupil. A young set of eyes can take advantage of maybe an exit pupil of 6, while a guy in his mid fourties might be lucky to be able to take advantage of 4.5 to 5 or so.

Gary
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