Optic Options: How Good Binoculars Lead to Successful Hunting & Fishing

These optics play a major role, whether you're scouting for spring mahi offshore or gobblers in the hammocks.

April 23, 2025 By George LaBonte

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If I had to think of one item that I use for outdoor sports (fishing/hunting) that is the most under-appreciated tool available these days, it would have to be quality optics. I’m not sure if it’s a generational thing or just my imagination, but I seem to remember a time when outdoor sportsmen put a lot more stock in carrying quality glass into the field. Maybe the simplicity of analog technology doesn’t offer the endorphin hit of our modern tech, but whatever the reason, if you’re not using good glass, you’re missing out.

Using quality optics to assist in a fishing or hunting trip can often make or break the outcome. For both fishing and hunting, quality optics can be an invaluable part of your tool kit for success. If you’re new to using optical glass as a tool in the outdoors, allow me to flatten the learning curve for you. A couple of factors you should consider before you buy begins with asking what do I need glass for and which features are most important? Here are a few examples.

For boating and fishing, a quality set of binoculars offers a number of paybacks. In terms of a fishing tool, probably the most common thing binoculars are handy for is spotting birds and busting fish from the distance. This gained knowledge regarding a distant ruckus can save you the valuable time required by running to investigate by giving you a more detailed picture of the situation before you go. A distant slick below the horizon often betrays the presence of an edge or weedline not visible to the naked eye. Add to this a bird flying along the length of it, occasionally dipping to the water, and it would be wise to pack up and head in that direction. A built-in compass is helpful to call out a heading if you determine this action warrants further investigation. With this in mind, there are important things to consider before you shop for a pair.

Pair of Sig Sauer binoculars. — Stabilized binoculars (Sig Sauer ZULU6 HDX) can be found in light, weather-proof models ideal for carry afield.

If I were listing the features to look for in order of importance, image stabilization would sit at the top. Looking through binoculars on a rocking boat comes with a few caveats. Probably the most important is the effect of seeing motion magnified through a narrower field of view than your natural vision.

The amplified perspective at a greater magnification (zoomed) will turn the saltiest of sailors a little green behind the gills. Without the benefit of motion-stabilized glass, you’ll need to take short glances through the binoculars until you acclimate to the new perspective. Even then, many people never get comfortable looking through them on a boat. Image stabilization curbs this effect.

Next would be durability. On a boat, you can’t overemphasize the importance of waterproof, fog-proof, and shock-proof lenses. The quickest thing to send a set of binos to the junk drawer is when they start to get foggy and aberrations from de-lamination of the lenses appear. Moisture intrusion might also create a more favorable environment for a lens fungus to grow between the layers of your glass. Lenses that appear dirty or hazy around the edges with spots that distract your focus suck the fun right out of using binoculars. A good pair should be able to stand up to the environment on a boat.

With this in mind, if you are looking for a set of rugged, image-stabilized, waterproof binoculars, your choices are limited. One pair that checks each of these boxes, and more remarkably comes in under the $1,000 mark, are the Sig Sauer ZULU6 HDX. These binoculars are ideal for boat use and come in various magnifications including 10x and 12x, both sub-1K in cost. They’re protected by an unlimited lifetime warranty which says a lot about the brand’s confidence. With some shopping around, a step-up in magnification may be attainable in stabilized pieces without much additional investment. Fujinon, for instance, recently announced new 16x and 20x Techno-Stabi binoculars at price points of $1,199 and $1,299. Both companies define these products’ water-resistance in terms of IPX7 rating—up to 1 meter immersion for 30 minutes.

A grand might be more than some want to spend, but the old “buy once, cry once” adage is especially true when it comes to optical glass. Of course, you can find conventional, marine-grade binoculars at well under the above-mentioned price range, particularly if you’re willing to accept the practical limits of non-stabilized magnification. Most boaters find 8x to be about the maximum magnification before “the shakes” take over. If you need to reach out farther, think stabilized.

A spotting scope with sunny background. — Spotting scopes such as this Vortex RazorHD 13-39X56 provide an excellent option for glassing miles-wide fields without potentially alerting game. Straight or angled, as here, scopes are available. Tripods sold separately.

OPTICS FOR THE FIELD

Hunters have many more choices when it comes to binoculars, spotting scopes and rifle scopes. I consider quality binoculars a must-have when I’m hunting. Whether you’re sitting in a stand or running and gunning, optics will reveal things you would have never seen with your natural vision.

From a tree stand or ground blind where you might sit for hours, spending a lot of time behind the glass will reveal subtle clues. The tip of an ear flickering or a section of antler just below the brush are much easier to locate with your binoculars. I’ve glassed up game bedded down right in front of my stand, well within shot range that never stood up for hours and ultimately let me walk away without moving. In the event this was a buck I’d have happily chosen to harvest, without spotting it first in the binoculars I might never have known it was there.

Another thing optics help to do is pass the time while you’re hunting. When the landscape never changes it’s too easy to get distracted by diving into your phone. Social media has probably saved the lives of many game animals. Using this time to pick apart the terrain keeps you engaged and more likely to notice a situation unfolding that will provide a shot opportunity. For hunting over wide terrain, a spotting scope looking across a mile of pasture will save you lots of walking and allow you to observe game without disturbing it.

One constant feature that applies to all of these optical items is the relationship between magnification and objective lens dimension. Simply put, the magnification is represented by the lower number of a product description such as 8x42. The eight indicates how much more magnified an image will appear; in this case, eight times larger than with your naked eye. The 42 is the diameter in millimeters of the front lens. These numbers are important to consider when shopping for glass. The combination of these figures determines a lot about the quality of the image visible through your lens.

Dividing the objective lens size by the magnification will show you the exit pupil size. Exit pupil is the width of the beam of light leaving the eyepiece (aperture) in millimeters. The larger the exit pupil, the brighter the image will appear in low light conditions. Ideally, you’ll want an exit pupil above 4.5 mm for low light viewing. The higher the better, obviously. For hunting I use two binos depending on the hunt. A pair of Swarovski EL 8.5x42 with an exit pupil of 4.9 are super bright and clear for lots of walking. For stand hunting a set of Swarovski SLC 8x50 B glasses are so bright they are borderline night vision glass. The tradeoff is the extra weight associated with the much larger lenses. Take these for a hike and pretty quickly you’ll have a stiff neck from wearing them.

A soaring frigate bird. — A frigatebird is a great find offshore in the springtime, heralding potential bluewater fishing action.

When it comes to hunting optics, you’ve got many choices and the cost varies widely. For a casual hunter there are lots of good binocular options below $500 that suit the mid-tier users’ needs just fine. However, once you realize the value vs. benefit of stretching your budget, you won’t look back. The brightness and clarity combined with eye comfort and reduced eye strain you find through a premium lens will immediately show you where the money went.

Over the years, I’ve lost count of how many times somebody has picked up my binoculars and said, “Wow, these are unbelievable,” as they looked through the lenses. The quality of the lens grind, optical coatings along with the construction process on expensive glass is best understood by taking them for a test drive. In addition to being built to last a lifetime, the eye comfort and image quality will make you more likely to spend more time behind the glass while increasing your chances for a successful hunt. I saved for a long time to invest in premium optics and they’ve proven to be a worthy investment. With that said, if you don’t have the means for such an expenditure, you’ve got some great options for half the price. For example, the Vortex Optics Diamondback or Viper line offer solid quality binoculars in many sizes ranging from $300 to $800 that will get the job done.

The bottom line is to choose the best optics you can afford and make it a habit not to leave home without them. Consistently putting your glass to work for you will change your strategic understanding of the fishing and hunting landscape in the best way.