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Why small AO scopes?

Discussion in 'Anything Airgun Related' started by C_G, May 29, 2015.

  1. C_G

    C_G Junior Member

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    I've recently noticed how smaller objective scopes seem to becoming more popular especially on hunting rifles. Why would one select a scope like the Nikko Sterling Diamond over a more traditional scope with a larger objective.
     
  2. stryder5

    stryder5 Donator

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    As a general rule greater depth of field, however low light performance could be compromised.
     
  3. Tinbum

    Tinbum Delusions of adequacy

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    Big scopes are too heavy, poor quality for the price
     
    Last edited by a moderator: May 29, 2015
  4. C_G

    C_G Junior Member

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    Ahhhh, Tinbum, I knew there was a reason.
     
  5. Tripleteer

    Tripleteer Donator

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    So this is why you do short stroke extensions LOL!!
     
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  6. Gunfun

    Gunfun Engaging Member

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    For me, hunting ranges are shorter than target shooting so a lower magnification can be used. For low light conditions, if optimum pupil exit diameter is 7mm, and you use 5x magnification that would give you a smaller objective lens diameter of around 35mm (as said this will give you a larger depth of field so your PBR maybe in complete focus), then as also said above this type of scope is a lot lighter and smaller.
    I still like 20x magnification for 50 meter target shooting from a rest/bipod though !
     
    Last edited: May 29, 2015
  7. Tinbum

    Tinbum Delusions of adequacy

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    Ha! I have a Redfield Revolution 2-7x33 on my hunting gun and it's low light performance a better than any of my larger MTC target scopes, the sight picture is clearer and stays clear all the way to the edge.
    When we were kids we had a 4x15 or 4x20 and dreamed of owning a 4x40. With lower costs and more money in my pocket I am as guilty as anyone of wanting the biggest, brashest, most sticky-outest-bitted weaver-railed monstrosity I could find!

    I got over it........
     
  8. Patrick

    Patrick Donator

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    I can't understand why some shooters want these high magnification scopes i.e 10+ for hunting at normal airgun ranges unless you're trying to shoot flies crawling up a wall or similar.
     
  9. Tinbum

    Tinbum Delusions of adequacy

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  10. trumpetier

    trumpetier Very Active

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    Totally agree, were shooting airguns for christ sake. Sorry but been on the wine. But its TRUE :D
     
  11. Patrick

    Patrick Donator

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    Yep,they'd probably be better taking a trip to the opticians and getting their eyes tested and investing in some glasses or contact lenses.:D
     
  12. oliver13

    oliver13 Donator

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    Small objective lenses mean you can use lower mounts & get the sightline nearer the bore line. It's not so much of a problem nowadays but back when they were stuck on open sight guns like Airsporter's & Mercury's it was quite important.
     
  13. Big Uli

    Big Uli Donator

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    I have to agree about big scopes seeming silly for Airguns
    Biggest I ever had was a 6-18 BSA
    Currently I have 2 viper connects and hawke eclipse and a nigh vision unit
    I shoot targets at 8x and hunt at 6x
    Only for zero and the 60 yard rat on range do I use max magnification

    Large magnifications exaggerate the guns movement and as I doubt anyobne can hold one completely still large mags for hunting are unpractical
     
  14. gargloit

    gargloit Posting Addict

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    I've noticed an increase in scopes that zoom from 1x to 6x or even 10x. I think this is a brilliant idea for certain users because the x and an illuminated retile, which most have, means you can have what is in effect a red dot sight at one end and a useable magnification scope at the other. Also, as a general rule, smaller diameter lenses are relatively easier to make in higher quality. I've a couple of such scopes and the low light performance is very good. For those that remember them the Simmons 1.5 to 5 is such a scope, famous for it's image quality.
     
  15. AlsoFishes

    AlsoFishes Well-Known Member

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    I used a cheap 4x32 mildot compact with my S200 .177. Fixed mag scopes, I believe, use fewer lenses therefore have better clarity. At 35m, why use a big zoom scope? Only point of one would be to scan the landscape for bunnies. If you know your shoot, you,ll already know where the rabbits are likely to be and creep up to kill range without breaking cover.
    Prey species look for eye shapes, I'd guess that o is better than 0
     
    Last edited: May 30, 2015
  16. landymick

    landymick Keyboard Hero

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    Smaller objective lens ,low mag & compact have always been the norm for general & hunting scopes.The greater field of view is more use than high mag in most situations.
     
  17. Akita177

    Akita177 Addicted to Iron

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    Small scopes usually have some great benifits for hunting like a wider field of view, better depth of field meaning you dont have to adjust the focus and the smaller the front objective the less parralax error you get.
     
  18. Gunfun

    Gunfun Engaging Member

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    Following on from my post #6, I have found 20x magnification very useful for hunting in certain situations where I'm targeting rabbits up to 35 meters (40 yards).
    The situation is where I cannot get close to the quarry due to lack of cover, spooky quarry or a still frosty morning. I have a 6.5-20x42 Tac 30 scope with a marked up sidewheel which I can use for precise range finding to 40 yards.
    I will always set the scope to x10 and the parallax to 22 yards (this means my PBR is in focus from 18 to 30 meters). Then if I come across quarry and its out of focus, I will turn the magnification up to max (20x) and use the sidewheel to establish the correct range and thus the precise holdover.
    I do this because when in the prone position I have problems range finding by eye, and on my trajectory 30 meters is the end of my PBR, and between 30 and 35 meters my POI drops 17mm or 3/4" which is enough for a jaw wound on a rabbit if its not compensated for. I have used laser range finders but its less equipment and movement if I use the scope to range find. I only use 20x mag from a well rested/bipod position.
    I do prefer low mag, small objective scopes for hunting, but when needs must, a high mag scope can bring home the bacon if its used for range finding/establishing the exact holdover.
     
    Last edited: May 30, 2015
  19. Jonnyovy

    Jonnyovy Big Poster

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    Im a big fan of small scopes on air rifles. There are many reasons (based on airgun hunting, not target) for this including...

    - weight...you know when you hold a rifle in rfd or watch an airgun review....WOW, beautifuly balanced ect...get home put a scope on and its all to s**t. :rolleyes:
    - no need to mess about with parallax, image is already super clear, point and shoot.
    - large field of view, especialy brilliant for scanning with nitesite.
    - being able to use any size mounts to suit my cheek on the stock, not me compromise with an inconsistent/uncomftable head possition.
    - usualy a simple uncluttered reticle, very easy to calibrate for airgun ranges.

    In order of size i currently have
    - simmons wtc 1.5-5x20
    - simmons wtc 1.5-5x20
    -nikon prostaff 2-7x32
    - hawke airmax 2-7x32ao map6
    - nikon prostaff 3-9x40

    i have descided to only keep 1 2 max rifles now so 3 will be for sale soon.
     
  20. Patrick

    Patrick Donator

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