Rifle Scope Buying Guide Part 1
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- Опубліковано 30 вер 2024
- REVIEW VIDEO, it's just my opinion! these aren't mine, they are loaned to me for written articles and I'm totally independent to say what I like...for now???
I don't quote prices as my viewers are all over the world, ask your local shop
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Nice one Chris. A great video explaining simply What you need and why you need it for different shooting disciplines/applications.
Well done, Chris! I'll add a few more points here:
1. Objective lens diameter. A larger objective allows in more light, true. But the human eye only dilates to about 7mm, shrinking to 5mm as we age. So the exit pupil (the circle of light exiting the scope at the oclar lens) may be larger than the eye can absorb. Exit pupil is calculated by dividing the diameter of the objective lens by the scope's power setting. To make the math easy, let's assume a 50mm objective on a 2x-10x variable scope. At 2x, the exit pupil will be 25mm in diameter, about 5x the maximum dilation of the human pupil: that's (mostly) wasted light, like overflowing a drinking cup. At 10x, the exit pupil is 5mm, matching the maximum dilation of the human pupil. The larger exit pupil does allow a bit more leeway for eye placement.
2. Rimfire scopes. Don't mount a centerfire scope on a rimfire rifle, unless the centerfire scope has adjustable parallax. Manufacturers set the zero parallax point to optimize effective range under normal use. Leupold set zero parallax at 150 yards on their centerfire scopes and at 60 yards on their rimfire scopes. Unless you're buying the scope specifically for long range rimfire shooting, save a bunch of money and weight: go with a rimfire scope.
3. Ranging reticles. On second focal plane variable power scopes, the ranging reticles (milrad or MOA) only work at maximum magnification. They work at any magnification on first focal plane variable scopes, though the markings may be hard to read at the lower end of the power range. For normal hunting, the second focal plane reticle has the edge for rapidly framing the target at any power setting. IMHO, in non-specialized use, there's no need for anything above 5x or 6x maximum power, and I want no more than 2.5x at the low end.
Enjoyed the video Chris, but I would like to ask what the impact of the ocular lens diameter has on the performance of a scope? Thanks.
Thanks for another great film , even when you have been shooting for years , there is always something to learn .
Keep them coming.
Another informative video. Thanks Chris
Hi Chris, I stumbled across an article of yours on the S&B Polar T96, which you seemed impressed with and stated you would test further and do a follow up...I'm considering buying one for deer stalking but cant get my hands on one for a butchers! Would you recommend?
YES, very much so