Folks seem to be addressing different questions on this thread:
- What is the minimum binocular quality that makes sense for hunting?
- Is there a field performance difference between the mid-grades and alphas?
- Will the OP be satisfied with a mid-grade glass, or will he eventually want to sell and upgrade to a true alpha?
Minimum Acceptable Performance: Been watching how different hunters use their binoculars for many decades now and there are vast differences. Some almost never leave the truck, some are for an occasional glance at something already spotted with the naked eye, but others are for serious study of a landscape or forest to find hidden game, cleanly identifying that animal at very first/last light, or studying that ram or bull to find growth rings or points. For the former just about any name-brand glass will do, but for the latter better glass makes an impactful difference.
Field Performance: In general, do alphas noticeably outperform mid-grade binoculars in the field? - definitely, YES. Most guys do their side-by-side comparisons (if at all) at a store optics counter or in a store parking lot in the mid-day sun. Under those conditions many minor flaws in optical and haptic performance remain somewhat hidden, but will be noticeable under various highly-contrasting natural lighting conditions. IME the alphas will consistently offer an easier, sharper micro-contrast image under over a wider variety of field conditions and lighting. In addition, the overall, fit, haptics/ergonomics of alphas are generally superior to mid-grades. Ex- are they easy to use with gloves on, holding fatigue, eye-strain fatigue, or optically - not just IDing but aging that buck, bull or ram. Continually read that notion that nobody will miss seeing an animal with a mid-grade vs an alpha - I disagree, as the alpha’s micro-contrast advantage make it more likely to spot subtle differences in image context, and since they are generally more pleasing and less fatiguing to use most will spend more time glassing with an alpha.
Satisfaction: Have been on distant mountains with quite a few hunters and don’t ever remember anyone saying they wished they hadn’t spent the money on the alpha they were holding. But heard many remark they wish they had a better glass. To me the question isn’t what am I willing to settle for, but what will I be satisfied with. I have a lot of binoculars and enjoy using many of them. But my #1 mountain and western glass is my Zeiss Victory SF 10x42. I’ve had them side-by-side with the NL Pures (borrowed) on numerous occasions - prefer some NL features, and some SF features. Both are exceptional, but for right now I’m satisfied with the SF. I also have SLCs (entry level alpha) and Nikon HGs (top level mid-grade) - both are very nice binoculars but feature-for-feature the NL and SF are collectively a bit more satisfying to use, although the SLCs are very close. Mid-grades aren’t quite to this level.
Are the mid-grades continually improving? Yes, they are getting better all the time and the perforce-gap with the alphas isn’t what is was 20 years ago. Is there a performance difference between the mid-grades and the alphas? YES, feature-for-feature the alphas are generally a more satisfying experience. Whether that performance difference is worth the money is an individual choice.
Most folks are satisfied with their binoculars until they handle and look through a better one. So buying a Maven, Conquest, MHG, Trinovid, etc, may make many folks completely satisfied. To keep the urge to upgrade at bay avoiding repeated exposure to true alphas is highly recommended.