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Maven B.5 - 10X56 / 12X56 / 15X56 / 18X56 Binoculars

Premium Model

Unlimited Lifetime Warranty

Tripod adaptability steadies long-range observation.

Fluorite glass sharpens low-light hunting and birding views.

17mm eye relief ensures comfortable long-range observation.

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Description

Built on the foundation of the award-winning B.2 binocular, the large objective B.5 features a small/lighter magnesium frame and Abbe-Koenig prism and is paired with the very same fluorite glass that’s featured in our S Series Spotting Scopes. In both 15x and 18x options, the B.5 is our most powerful binocular and the fluorite glass is a step above ED glass of similar-sized optics. One of the most modern optical systems on the market, this purpose-built binocular is designed to extend your range for those who require increased magnification and the ability to discern detail during those critical low-light periods when covering big, open country. The B.5 is our recommended rig for those who are looking to step up their magnification range, but prefer a lightweight system when carrying a spotting scope is out of the question.

The B.5 also features tack-sharp edge-to-edge clarity, crystal clear glass, considerable eye relief, and a silky focus mechanism.

The Maven B Series represents our elite line of optics, designed to fit your specific needs, delivered for a fraction of comparable binoculars’ costs and stacks up with the most celebrated and expensive binoculars in the world. Whether you choose a stock color unit or configure your own custom-built optic, our modern sportsman-inspired designs are paired with the best available materials and state of the art technology to create an uncompromising optic. 

Includes neoprene neck strap, lens caps and double-layered microfiber storage bag.

B Series User Manual
Maven Binoculars Comparison Table

Specifications

Magnification

10x

12x

15x

18x

Obj. lens diameter

56mm

56mm

56mm

56mm

Exit pupil

5.6mm

4.7mm

3.7mm

3.1mm

Field of View (FOV)

6.5°

5.5°

4.5°

3.7°

Apparent FOV (FOV x Power)

65°

66°

67.5°

66.6°

Field of view (ft/1000 yds)

341

289

236

194

Brightness

31.4

21.8

13.9

9.6

Light transmission (%)

92.8%

92.6%

92.5%

92.7%

Twilight factor

23.7

25.9

29

31.7

Multi Position Eyecups Y/N

Yes

Yes

Yes

Yes

Eye relief

19mm

17.4mm

17.8mm

18mm

Near focus

9.8ft

9.8ft

9.8ft

9.8ft

Eye width adjustment

56~75mm

56~75mm

56~75mm

56~75mm

Dimension WxHxD

6.1x8.2x2.6

6.1x8.2x2.6

6.1x8.2x2.6

6.1x8.2x2.6

Weight

1360g

1360g

1360g

1360g

Lens constr. obj.

3 groups 4 elements (ED)

3 groups 4 elements (ED)

3 groups 4 elements (ED)

3 groups 4 elements (ED)

Lens constr. ocular

4 groups 5 elements

4 groups 6 elements

4 groups 6 elements

4 groups 6 elements

Prisms type

Abbe-Koenig

Abbe-Koenig

Abbe-Koenig

Abbe-Koenig

Prism reflective coating type

N/A

N/A

N/A

N/A

Phase correction coating

Yes

Yes

Yes

Yes

ED glass

Fluorite

Fluorite

Fluorite

Fluorite

Lens coating

Scratch and Oil Resistant

Scratch and Oil Resistant

Scratch and Oil Resistant

Scratch and Oil Resistant

Diopter correction (dpt)

more than +/-2

more than +/-2

more than +/-2

more than +/-2

Pressure tested to what pressure

1m for 30 min. (IPX7)

1m for 30 min. (IPX7)

1m for 30 min. (IPX7)

1m for 30 min. (IPX7)

Storage temperature

–40°C to 70°C

–40°C to 70°C

–40°C to 70°C

–40°C to 70°C

Functional temperature

–25°C to 60°C

–25°C to 60°C

–25°C to 60°C

–25°C to 60°C

Frame material

Magnesium

Magnesium

Magnesium

Magnesium

Internal gas purged

Nitrogen

Nitrogen

Nitrogen

Nitrogen

Tripod Adaptable Y/N

Yes

Yes

Yes

Yes

Origin

Japanese components assembled in the US

Japanese components assembled in the US

Japanese components assembled in the US

Japanese components assembled in the US

See Clearly. Move Naturally.

Optics that work with you, not against you.

Fluorite Glass

Delivers sharp resolution with minimal chromatic distortion.

Waterproof and Fog Proof

Zero fog, zero hesitation—regardless of weather or altitude.

Fully Multi-Coated Lenses

Improves light transmission for a bright, clear view across the frame.

Field Flattening Optical System

Delivers a crisp, distortion-free image from center to edge.

Exceptionally Clear, Bright, High Contrast Image

See more, sooner—with an image that cuts through haze and shadow.

Excellent Color Fidelity

Renders true-to-life tones that make details stand out instantly.

Tripod Adaptable

Drops onto your setup with ease—no fuss, no special fittings.

Maven: Crafted for the Outdoors

Mountain Town Roots

Maven started in a mountain town, driven by folks who’d rather be out hunting or hiking than chasing corporate profits. Their optics are made for people like you—hunters, birdwatchers, anyone who trusts their gear to make every moment in the wild count. It’s honest craftsmanship from a team that shares your passion for the outdoors.

Top Quality Craftsmanship

Maven skips the retail middleman and those 15-30% markups that jack up prices in stores. By selling direct, they focus on what matters: top-grade Japanese glass and materials built to handle the toughest conditions, not cheapened to fit a retailer’s price tag. You get optics designed to perform, shipped right from their workshop to your door.

Your Australian Connection

As Maven’s Australian supplier, The Modern Hunter is right here, living the same outdoor life you do. Call us up, and you’ll talk to a real person who knows Maven’s gear and Australia’s rugged terrain inside out. We’re ready to help you pick the perfect optics for your next adventure, with the kind of service you’d expect from a mate.

Frequently Asked Questions

Can't find the answer to your question?

Or use the chat in the bottom corner

What is your warranty?

All Maven optics come with an unconditional lifetime warranty. If your optic becomes damaged or is at all defective (not including deliberate or cosmetic damage that does not hinder product performance), contact us immediately for repair or replacement. We don’t care where or when you bought it or if it was your fault or not - if it says Maven, we will take care of it.

How can I check out your optics before purchase?

We attend several events per year including expos, fairs, and other outdoor events. As well as some club meetings. This is a great way to see our gear in person. Please get in touch so we can assist you selecting the right optic for your needs

What is the difference between the B Series and C Series?

The C Series is a mid-level optic, while the B Series is a high performance, elite-level optic.

Across the board, the B Series has a ~5-10% increase in performance compared to the C series. This difference will be most noticeable when spending longer time behind the glass. B Series optics have a larger sweet spot & dash.The B Series’ internal optical system uses a higher grade of glass throughout the entire unit. B Series units are produced individually and undergo a more rigorous inspection, while the C Series is produced in the hundreds, and sample inspected. The C Series has a polymer frame lighter than the magnesium frame of the B Series.
Specific features can be viewed on the individual product pages.

Should I go with higher magnification or lower magnification?

This is a very personal choice and will vary by each user depending on their needs and uses.

ADVANTAGES:
Low magnification: Larger Field of View (FOV), larger exit pupil (more light to the eye), easier to hold steady.
High magnification: More detail in distant subjects, objects will appear closer.

What is included when I buy a binocular?

Each binocular (except for the C2, which comes with ocular lens covers only) comes with lens covers for the objective and ocular lenses, a soft storage bag suitable for cleaning the lenses, and a padded neoprene neck strap.

Are Maven binoculars tripod adaptable?

All B Series, C.1, C.3, and C.4 binoculars are tripod adaptable. All adaptable binoculars are compatible with any 1/4x20 threaded tripod adapters. The C.2 is not tripod adaptable.

Why is a hard case not included?

We know that not everyone uses or wants a hard case. If a hard case was included, the overall cost of the optic to the customer would be higher. As with all of our components we keep the cost as low as possible.

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About

About Us

Endorsements

Contact

FAQs

Shipping

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Copyright © 2025 The Modern Hunter. All Rights Reserved.

Maven B.5 - 10X56 / 12X56 / 15X56 / 18X56 Binoculars

$2,760.00
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