Optics that earn a spot

Optics can improve your hunting a lot, but only the few that fit how and where you hunt. Spending on glass you do not use, or buying specs that do not suit your terrain, wastes money. This guide ranks what matters, explains the numbers on the box, and suggests how to test gear. For where optics fit in your pack, see day-hunt pack essentials. For using binoculars to scout without pressure, read scouting basics.

Binoculars: the first thing to buy

Binoculars let you check fields, edges, and hillsides from a distance, spot animals before they spot you, and identify targets before a shot. If you buy only one optic, make it binoculars.

Reading the numbers

A pair marked 8×42 has 8x magnification and 42 mm objective lenses.

• Magnification: 8x is a good all-around choice. It is steadier to hold than 10x and has a wider field of view. 10x brings game closer but magnifies shake.
• Objective size: 42 mm gathers more light for dawn and dusk. 32 mm is lighter and smaller, with less light.
• Field of view: wider helps in thick cover where you scan quickly.
• Eye relief: matters if you wear glasses. Look for twist-up eyecups and enough relief to see the whole image.

What to look for

• Clear, bright image without color fringing at the edges
• Waterproof and fogproof construction
• Comfortable weight and a good harness or strap. A chest harness keeps them from swinging.
• A focus wheel you can use with gloves

Test before buying

Try several pairs at a store or borrow from friends. Look at a distant branch at dusk if possible, and check for sharp edges and brightness. Walk around with them for a few minutes to see how they feel. Pay for good glass over extra features.

Rangefinders

A rangefinder tells you the distance to a target, which matters for bow hunters and for rifle hunters who may shoot across fields or ravines. In hilly country, angles can change the effective distance. Many models compensate for angle.

• Range and accuracy: a model that reads reliably to the distances you hunt, not the largest number on the box.
• Reflectivity: many struggle to read deer-sized targets at longer ranges. Test on non-reflective objects.
• Speed and display: a clear display in low light is important.
• Ease of use: big buttons you can press with gloves.

Practice using it before the season, and ranging landmarks around your stand ahead of time. A rangefinder is not a license to shoot farther. Know your limit.

Riflescopes

A scope should match the firearm and how you hunt.

• Magnification: a low-power variable such as 1-4x or 3-9x covers most Wisconsin deer hunting in woods and fields. Higher magnification is useful for open fields but harder to use at close range.
• Objective size: a moderate size gives good light without sitting too high.
• Mounting: good rings and bases matter as much as the scope. Make sure everything is tight and zeroed.
• Eye relief and eye box: forgiving ones are easier to use in the field.
• Reticle: keep it simple. A basic crosshair works for most.

Re-check zero when you change ammunition, remove the scope, or after a hard knock. Scopes and bows are covered in the pre-season checklist.

What to skip, at least at first

• Spotting scopes, unless you hunt open country or waterfowl
• Overly high magnification
• Complicated reticles you will not use
• Costly cameras and gadgets that duplicate what your binoculars do

Care and storage

• Keep lens caps on when not in use.
• Use a lens pen or microfiber cloth. Blow dust away before wiping, so you do not scratch coatings.
• Do not leave optics in a hot vehicle or in direct sunlight.
• Store in a dry, padded case.
• Keep batteries fresh and carry spares for electronics.
• Rain guards and objective covers help in wet weather.

Safety

Never use a rifle scope as a substitute for binoculars. A scope should only be pointed at something you are willing to shoot, so use binoculars to identify a target, then raise the firearm. Always identify your target and what is beyond it.

Rules to check

Some optics, such as thermal and night vision devices, may be restricted or prohibited for hunting. Verify what is legal for your species and season at dnr.wisconsin.gov.

Common mistakes

• Buying high magnification to compensate for poor glass quality
• Not testing in low light
• Forgetting to check zero after bumping the scope
• Using a rangefinder for the first time on opening day

FAQ

What magnification is best for binoculars?

8x is a safe choice for most hunters.

Do I need a rangefinder with a rifle?

Not always. In wooded areas with short shots, you may not. Open fields and hills are where it helps most.

How much should I spend?

Spend what you can afford on binoculars first. Mid-range glass is a solid value, and you can upgrade later.

Rudy hunts and fishes in southwest Wisconsin and has for 35+ years.