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Description
Hawke Sport Optics 10x42 Frontier ED X Binocular (Green)Extra Low Dispersion Objectives Phase Corrected BAK4 Roof Prisms Interior Dielectric Prism Coatings Fully Multi Coated Optics Wide 64 Apparent Angle of View Stable Closed Bridge Configuration Lightweight and Strong Magnesium Chassis Nitrogen Filled, Water & Fogproof Center Fast Focusing Wheel Twist Up Click Stop Eyecups With a magnificationobjective lens configuration favored by professionals all over the world, the green Hawke Optics 10x42 Frontier
- Extra-Low Dispersion Objectives
- Phase-Corrected BAK4 Roof Prisms
- Interior Dielectric Prism Coatings
- Fully Multi-Coated Optics
- Wide 64° Apparent Angle of View
- Stable Closed-Bridge Configuration
- Lightweight and Strong Magnesium Chassis
- Nitrogen Filled, Water & Fogproof
- Center Fast-Focusing Wheel
- Twist-Up Click-Stop Eyecups
With a magnification�objective lens configuration favored by professionals all over the world, the green Hawke Optics 10x42 Frontier ED X Binocular delivers bright high-contrast images with true-to-life color and crisp clarity even when observing from long distances.
This binocular features extra-low dispersion (ED) glass with phase-correcting and dielectric coatings on the BAK4 prisms. Anti-reflection fully multi-coated optics round out the optical features, and when combined with the glass and prism systems produce bright and clear high-contrast images with accurate colors and enhanced clarity without distortion or fringing. The wide apparent angle of view presents an immersive observational experience to complement the impressive optical performance, while helping to minimize the distracting hand shake that is common when holding high-power optics such as this.
A fast-focusing mechanism runs through the full focal range in just 1.5 turns of the large center focusing knob, making finding subjects fast and tracking moving targets easy. Designed to stand up to a life lived outdoors, the optical tubes are nitrogen filled and O-ring sealed to give them a waterproof rating of IPX7 and make them fogproof even when moving through extreme temperature variations. The chassis is made from an magnesium alloy to make it lightweight and corrosion resistant. Hawke includes tethered front and rear lens caps to add an additional layer of protection in the field, with the ability to quickly react to glassing opportunities without fear of losing the caps.
- Optical Performance
-
- Powerful 10x magnification brings distant subjects in close for detailed observation
- 42mm objective lenses improve light-gathering ability versus smaller objectives while helping to maintain a compact form factor
- Compact roof prism light path ensures a slim profile without sacrificing performance
- BAK4 prism glass delivers a round exit pupil and a crisp and clear image with limited edge distortion
- Extra-low dispersion (ED) glass lens elements produce bright and clear images with accurate color rendition and improved contrast, without fringing
- Phase-correcting and dielectric mirror prism coatings eliminate internal interference, light loss, and diffraction to improve clarity, resolution, and contrast
- Anti-reflection multi-coated optics maximize light transmission to ensure bright and clear images with accurate colors and improved contrast and clarity
- Wide 64° apparent angle of view helps to minimize the appearance of the distracting hand shake that is common when looking through high-power optics
- Generous 336' field of view at 1000 yards
- Use and Handling
-
- Closed-bridge configuration offers a solid and stable platform for the focusing system
- Large, slip-resistant center focusing wheel is easy to manipulate in cold or wet conditions or when wearing gloves
- Fast-focusing mechanism runs through the full focus range in just 1.5 turns
- Right-eye dioptric correction allows for precise focusing even for those who normally require corrective eyewear
- 56-74mm interpupillary adjustment range allows easy use by a wide variety of people
- Twist-up click-stop rubber eyecups for comfortable use with or without eyewear
- Comfortable 15mm eye relief reduces eyestrain for easier viewing, especially during long glassing sessions
- 4.2mm exit pupil will cover most pupils as they open and dilate in low light to keep the entire scene in view at all times
- Construction Details
-
- Strong and lightweight magnesium alloy chassis
- Nitrogen filled and O-ring sealed to be waterproof to an IPX7 rating and resistant to internal fogging when moving through extreme changes in temperature and environmental conditions
- Protective green slip-resistant rubber armoring with raised palm pad ridges improves grip security
- Hydrophobic exterior lens coating sheds rain and water and makes dirt and fingerprints easier to clean off
- Wide 5 to 131°F (-15 to 55°C) operating temperature range, -40 to 158°F (-40 to 70°C) storage range
- Tethered objective lens caps and ocular rainguard offer maximum lens protection without the risk of losing them during use
- Hard carrying case with neck strap, belt loop, and rear note/map pocket
In the Box
Hawke Sport Optics 10x42 Frontier ED X Binocular (Green)
Hawke Sport Optics Frontier specs
| Prism Type | Roof |
| Magnification | 10x |
| Objective Lens Diameter | 42 mm |
| Angle of View | 6.4° (Actual) |
| Field of View | 336.0' @ 1000 yd / 111.6 m @ 1000 m |
| Minimum Focus Distance | 6.6' / 2 m |
| Exit Pupil Diameter | 4.2 mm |
| Eye Relief | 15.0 mm |
| Interpupillary Adjustment | 56.0 - 74.0 mm / 2.2 - 2.9" |
| Dioptric Correction | Not Specified by Manufacturer |
| Focus Type | Center |
| Tripod Mount | None |
| Dimensions | 5.5 x 4.8" / 14.0 x 12.2 cm |
| Weight | 24.87 oz / 705.0 g |
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Fresh, Clean Air — Excellent Quality Cabin Filter!
Size: 9.7" x 9.3" x 1.8"
This premium HEPA‑rated filter does an outstanding job of keeping dust, pollen, and tiny airborne particles out of the cabin — much better than standard cabin filters. It’s designed and tested to meet true HEPA filtration standards, effectively capturing up to 99.97 % of particles down to 0.3 microns in size, so the air inside the car feels noticeably cleaner and fresher.
Installation was straightforward and fit exactly in place in my vehicle with no modifications needed. The high‑quality filter media feels dense and well‑constructed, with built‑in structural support to help it hold its shape throughout its service life.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 26, 2026
★★★★★ 5
Must Buy HEPA Cabin Filter
Size: 9.7" x 9.3" x 1.8"
Great filter and excellent Value! And, it’s a Bosch !!! Description and sizing were exactly as advertised. DIY install was easy and it fit my 2019 Highlander perfectly ! Filter is HEPA and well made and is a good thickness, so much better than the flimsy one the car dealership installed. Impressive ! Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 7, 2026
★★★★★ 5
good performance
Size: 9.7" x 9.3" x 1.8"
The installation is simple, the size is just right, and most importantly, the price is very good. It is the best choice for consumables.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 2, 2026
★★★★★ 5
A Lungful of Freedom
Size: 9.7" x 9.3" x 1.8"
Dateline: The Passenger-Side Footwell of a Toyota Venza, Sunday Night. We spend our lives in sealed metal boxes, hurtling through a thick, invisible soup of our own collective filth. A foul cocktail of exhaust fumes, road dust, tire particles, and whatever strange, pollen-based miasma the world decides to throw at us on any given day. To breathe that poison in, unfiltered, is an act of slow, unwitting suicide. You need a line of defense. A gatekeeper for your own lungs.
Enter the Bosch 6055C HEPA Cabin Air Filter. It is not a glamorous part. It is not a performance upgrade that adds horsepower or prestige. It is a simple, pleated rectangle of paper and charcoal, a humble guardian destined to live out its days in a dark plastic cave behind your glovebox. But its mission is a noble one.
The replacement process is a moment of pure, unadulterated, five-minute victory over the dealership's service department. You pop open the glovebox, you unclip the old filter tray, and you pull out the old soldier. And what you find is a horror show. A grey, matted testament to the unseen war it has been fighting on your behalf, choked with leaves, dirt, and the ghosts of a thousand diesel trucks. It is the face of the enemy.
You unwrap the new Bosch filter. It feels solid, well-made. The pleats are clean and numerous. I laid it side-by-side with the outgoing Denso filter—a brand that supplies the automakers themselves—and I could find no meaningful difference. The quality was equal. The construction, robust. This was no flimsy, cut-rate pretender. This was a serious piece of hardware from a serious company.
You slide the clean, white Bosch into the tray, snap it back into its dark little home, and close the glovebox. The deed is done. You have performed a life-saving transplant on your vehicle's respiratory system in less time than it takes to listen to a single pop song.
And the value… the value is the sweet, sweet punchline. For a fraction of what a dealership would charge you for the same simple service, you have installed a top-tier, HEPA-grade filter from one of the most respected names in the business. You have guaranteed yourself a clean, breathable bubble of personal space as you navigate the toxic jungle of the modern roadway.
This is not just a filter; it's a small, affordable act of rebellion. It’s a declaration that you, and you alone, are the master of the air you breathe. It is a simple, effective, and profoundly satisfying piece of gear. Highly recommended.
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Reviewed in the United States on June 9, 2025
★★★★★ 4
Great Upgrade to your Cabin Filter. Fits 2018 Subaru Outback
Size: 9.7" x 9.3" x 1.8"
This is a great filter upgrade to your cabin filter. This is better than the Subi standard part. Fits my Subaru outback. NOTE: Subi marks their filter with an 'up' arrow; however, this filter is marked with a 'airflow' direction. Direction of air flow is toward the blower motor so it will point downward when you install it.
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Reviewed in the United States on April 25, 2026
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