Vortex Viper HD 10x42
- Size
- 10x42
- Eye relief
- 17.0mm
- Field of view
- 341' @ 1000 yds (6.5º)
Maker specs: Vortex Viper HD 10x42
Binoculars under $500
Shop 14 binoculars from ED-glass 8x42s to big astronomy and image-stabilized pairs, compare glass, sealing and weight, and check each maker's warranty. Prices change often, so check the current price on the product page before you buy.
Read more
Card specs come from each maker's published specs. A card name may not show the size: the Vortex Diamondback HD here is the 15x56 and the Kaibab HD is the 18x56, so confirm the size on the product page. Warranty terms belong to each maker and differ, so read them before you choose.
- 14 models
- 4 with our score out of 10
- 11 with maker-listed specs
Our picks under $500
Vortex Optics Diamondback HD
- Size
- 15x56
- Eye relief
- 15.6 mm
- Field of view
- 230 ft/1000 yds (4.36 degrees)
Maker specs: Vortex Diamondback HD 15x56
Celestron SkyMaster 25X100 Astro Binoculars
- Size
- 25x100
- Protection
- Water resistant; not waterproof; not nitrogen filled
Maker specs: Celestron SkyMaster 25x100
Leupold BX-4 Pro Guide HD 10x42
- Size
- 10x42
- Eye relief
- 16 mm
- Field of view
- 326 ft @ 1000 yd
Maker specs: Leupold BX-4 Pro Guide HD 10x42
Nikon Monarch M7
- Size
- 8x42
- Eye relief
- 17.1 mm
- Field of view
- 145 m/435 ft at 1,000 m/yd (8.3° real)
Maker specs: Nikon MONARCH M7 8x42
Nikon Monarch M5 8x42
- Size
- 8x42
- Eye relief
- 19.5 mm
- Field of view
- 112 m/335 ft at 1,000 m/yd (6.4° real)
Maker specs: Nikon MONARCH M5 8x42
Vortex Optics Kaibab HD Binoculars
- Size
- 18x56
- Eye relief
- 16.4mm
- Field of view
- 194' @ 1000 yds (3.7º)
Maker specs: Vortex Kaibab HD 18x56
Zeiss Terra ED Pocket 8x25
- Size
- 8x25
- Eye relief
- 16.0 mm (exit pupil distance)
- Field of view
- 119 m (357 ft) at 1,000 m (yds)
Maker specs: ZEISS Terra ED Pocket 8x25
Steiner Predator
- Size
- 10x42
- Eye relief
- 16 mm
- Field of view
- 324 ft at 1000 yds
Maker specs: Steiner Predator 10x42
The full ranked list
The full lists these picks come from, with our notes on every pair.
- Best binoculars below 500 bucks
10 picksHighest score: Vortex Optics Viper HD Roof Prism Binoculars 10x42
Compare binoculars under $500
Scroll sideways to see every comparison field and Shopping action.
| Model | Magnification | Objective (mm) | Eye relief | Field of view | Maker’s model | Shopping action |
|---|---|---|---|---|---|---|
| Vortex Viper HD 10x42 | 10x | 42 | 17.0mm | 341' @ 1000 yds (6.5º) | Vortex Viper HD 10x42 | |
| Vortex Optics Diamondback HD | 15x | 56 | 15.6 mm | 230 ft/1000 yds (4.36 degrees) | Vortex Diamondback HD 15x56 | |
| Maven C3 | 10x | 50 | 19.5mm | 262 ft/1000 yds | Maven C.3 10x50 ED | |
| Celestron SkyMaster 25X100 Astro Binoculars | 25x | 100 | Celestron SkyMaster 25x100 | |||
| Leupold BX-4 Pro Guide HD 10x42 | 10x | 42 | 16 mm | 326 ft @ 1000 yd | Leupold BX-4 Pro Guide HD 10x42 | |
| Nikon Monarch M7 | 8x | 42 | 17.1 mm | 145 m/435 ft at 1,000 m/yd (8.3° real) | Nikon MONARCH M7 8x42 | |
| Nikon Monarch M5 8x42 | 8x | 42 | 19.5 mm | 112 m/335 ft at 1,000 m/yd (6.4° real) | Nikon MONARCH M5 8x42 | |
| Vortex Optics Kaibab HD Binoculars | 18x | 56 | 16.4mm | 194' @ 1000 yds (3.7º) | Vortex Kaibab HD 18x56 |
Compare 3 more models
| Model | Magnification | Objective (mm) | Eye relief | Field of view | Maker’s model | Shopping action |
|---|---|---|---|---|---|---|
| Zeiss Terra ED Pocket 8x25 | 8x | 25 | 16.0 mm (exit pupil distance) | 119 m (357 ft) at 1,000 m (yds) | ZEISS Terra ED Pocket 8x25 | |
| Maven C1 ED 10x42 | 10x | 42 | 16 mm | Maven C.1 10x42 | ||
| Steiner Predator | 10x | 42 | 16 mm | 324 ft at 1000 yds | Steiner Predator 10x42 |
3 models without a maker’s figure record are listed in the picks above.
Premium binocular questions
Are expensive binoculars really worth it?
They are worth it when you will use what the extra buys, such as ED glass, better prism coatings and sealing. Nikon lists the Monarch M5 and M7 8x42 with ED glass, phase-correction and dielectric prism coatings, and waterproofing to 1 m for 10 minutes.
Our numbers guide notes that some mid-range models perform very well for general use, so match the spend to how often you go out.
What warranty should I look for?
Read each maker's own terms, because they differ. Vortex says its VIP warranty repairs or replaces a damaged or defective product at no charge however it happened, but not loss, theft, deliberate damage or cosmetic damage that does not affect performance.
Leupold says it repairs or replaces a binocular that does not perform, for any owner, with no proof of ownership and no time limit; the electronics in rangefinding models get a five-year limited guarantee.
Do I need a tripod for 15x56, 18x56 or 25x100 binoculars?
Yes, for anything longer than a quick look. Nikon notes that the higher the magnification, the more unstable the image from hand movement, and highly recommends a tripod.
Vortex lists the Kaibab HD 18x56 at 43.5 oz. Our tripod guide covers mounts.
Are image-stabilized binoculars worth it?
They are worth a look if hand shake spoils your view at higher power. Nikon notes that shake grows with magnification and that vibration reduction technology helps counter it.
Our image stabilized binoculars review compares the stabilized models in detail.
How waterproof are the binoculars here?
It varies, so compare the stated rating. Nikon gives the Monarch M5 and M7 1 m for 10 minutes, Maven gives the C.3 1 m for 30 minutes (IPX7), and Steiner gives the Predator submersion to 3 ft.
Zeiss lists the Terra ED Pocket as nitrogen filled with water resistance of 100 mbar, and Celestron calls the SkyMaster 25x100 water resistant, not waterproof.
How to choose premium binoculars
What premium-entry glass adds
Expect ED glass plus phase and dielectric prism coatings on the best-equipped pairs here. Nikon says dielectric coating reflects more than 99% of light and phase correction limits resolution loss, and Celestron credits ED glass with virtually eliminating color fringing.
Nikon lists all three for the Monarch M5 and M7 8x42. Not every maker publishes its prism coatings, so check the product page for the exact model.
Choose pocket, 42 mm or big glass
Pick the body by how far you carry it. Weights are the makers' figures; exit pupil is the objective divided by the magnification.
| Example | Weight | Exit pupil | Best for |
|---|---|---|---|
| Zeiss Terra ED Pocket 8x25 | 10.9 oz | 3.1 mm | Travel and daylight |
| Nikon Monarch M5 8x42 | 22.2 oz | 5.3 mm | All-round use |
| Maven C.3 10x50 | 28 oz | 5.0 mm | Dim light |
| Vortex Kaibab HD 18x56 | 43.5 oz | 3.1 mm | Tripod viewing at long range |
Sizes of the binoculars in this grid
The table counts each size in the grid with its exit pupil; the listed sizes run from a pocket 8x25 to a 25x100, so check the size before you compare scores.
| Size | Models | Exit pupil, calculated |
|---|---|---|
| 10x42 | 4 | 4.2 mm |
| 8x42 | 2 | 5.3 mm |
| 8x25 | 1 | 3.1 mm |
| 10x50 | 1 | 5.0 mm |
| 15x56 | 1 | 3.7 mm |
| 18x56 | 1 | 3.1 mm |
| 25x100 | 1 | 4.0 mm |
Confirm the exact model and size
Check the size on the product page against the card, because some cards name only the series. Vortex sells the Diamondback HD in several sizes, and the one here is the 15x56. Prices change often, so check the current price on the product page before you buy.
Check the warranty for your model
Read the maker's warranty page for the exact model before you buy, since electronic models can carry different terms. Leupold, for example, covers rangefinding binoculars under a separate five-year electronics guarantee.
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