Rated 4.8 out of 5.0
"Asahi" - 15x80mm Bigeye Binoculars
$5,900.00
A statement piece that transforms any room. This authentic 1942 Japanese Imperial Navy "Big Eye" reproduction delivers museum-quality presence alongside exceptional optical performance. Equally impressive on display in your home or office, or in use for astronomy and marine observation. Includes complete historical documentation and LuxxOptica authentication.
In stock - Order now for next day dispatch
Japanese Imperial Navy Optics, Preserved
In 1942, Nippon Kogaku K.K. produced what many historians and collectors regard as some of the finest naval optical instruments of the Pacific Theater. A limited number were mounted on Imperial Japanese Navy vessels – used by sailors scanning the horizon for incoming Allied aircraft.
The “Big Eye” design represented the peak of wartime optical innovation.
At a Glance:
At a Glance:
Design Origin:
Nippon Kogaku K.K., circa 1942
Deployment:
Japanese Imperial Navy warships, Pacific Theater
Role:
Long-range aircraft detection and maritime surveillance
Legacy:
Widely regarded among the finest naval optical instruments of their era
Rated 4.8 out of 5.0
From Newport Beach To Lake Tahoe and Beyond
"My wife and I saw them displayed at the Lake Tahoe wooden boat concourse and immediately knew we had the perfect place for them in our Lake Tahoe home. Outstanding service! Easy set up. Beautiful, clear optics. Looks wonderful in our home."
John S • Verified Customer
01.16.26
"I bought an Asahi last year for my office in Newport Beach, and I couldn't be happier. The quality of the lenses and the craftsmanship are top notch. If you are on the fence, buy them, you will not be disappointed."
Tom S • Verified Customer
09.29.25
"I have been observing these for many years at various shows and knew at some point in my life I would have a house that was well suited for them. My home in the keys is perfectly positioned to look out over Sombrero Reef lighthouse. The perfect balance between form and function."
Patrick L. • Verified Customer
19.01.24
"The Asahi binoculars are not only the highest quality binoculars I've ever tried, they are stunning. We've turned them into the focal point of our St. Pete Condo. History meets Art with perfection on every level."
Bart S • Verified Customer
11.26.25
"No surprise here. Exactly what I expected. Beautiful piece of functionality. Adds nautical elegance.
Walter L • Verified Customer
11.11.24
"The quality and workmanship made it a must have. Heirloom!"
Peter M • Verified Customer
12.12.25
The
“Big Eye”
Design Legacy
The
“Big Eye”
Design Legacy
Originally built for warship-mounted long-range detection, the 80mm “Big Eye” format delivers far more light and reach than standard binoculars. Asahi faithfully recreates this naval configuration for modern collectors.
The
“Big Eye”
Design Legacy
The
“Big Eye”
Design Legacy
Originally built for warship-mounted long-range detection, the 80mm “Big Eye” format delivers far more light and reach than standard binoculars. Asahi faithfully recreates this naval configuration for modern collectors.
Why the “Big Eye”?
Aperture
80mm vs. typical 50mm – roughly 2.5× more light-gathering power
Purpose
Developed for long-range naval detection, not casual sightseeing
Field of View
Approx. 315 ft at 1000 yards (4°) – wide, stable observation window
Build
Original Naval Design, ship-mounted, engineered to last multiple generations
Collector Appeal
Warship pedigree and distinctive 80mm format make “Big Eye” units highly sought after
Artisanal Craftsmanship, Modern Precision
Each Asahi is hand-built to last a lifetime. We faithfully recreate the 1942 Nippon Kogaku with an exact reproduction of the original design and use modern coated optics to optimize performance
The Process
Step 1
Cast & Polish
Solid cast aluminum body, hand-polished to a mirror-like finish.
Step 2
Nickel Plating
Multiple nickel layers applied for durability and understated elegance.
Step 3
Optical Engineering
Each optical element calibrated to meet or exceed the original 1942 specifications.
Step 4
Hand Assembly
Skilled craftsmen assemble, collimate, and inspect every unit by hand.
Optical Mastery
Magnification
15x
Long-Range Clarity Without Excessive Shake
Objective Lens
80mm
Gathers 2.5× More Light Than Standard 50mm Binoculars
Weight
Approx.44 lbs
Quality Materials and Built To Last
Dimensions
17.5" × 10" × 5" (head)
Statement Presence
Design
Porro Prism
Superior Depth Perception and Three-Dimensional Viewing
Field of View
Approx. 315 ft @ 1000 Yards (4°)
Wider Observation Window
Rotation
360° Azimuth View
Complete Panoramic Capability
Design
Solid Cast Aluminum, Nickel-Plated
Naval-Grade Durability
Design
Fully Adjustable
Accommodates Viewing Preferences and Varying Light Conditions
Optical Mastery
A Legacy Worth Preserving
Guardians of a 1942 Design
Original 1942 Nippon Kogaku “Big Eye” instruments are increasingly rare. Corrosion, poor restorations, and forgotten estates erase this engineering work year by year. Faithful reproductions like Asahi keep the design visible, documented, and appreciated instead of disappearing from view.
Your Role:
Historical Preservation
Keep 1942 “Big Eye” naval design alive and on display.
Educational Legacy
Use it to spark conversations about wartime optical innovation.
Future Access
Ensure this design can still be experienced firsthand, not just read about.
Proper Stewardship
Maintain and protect the instrument for long-term care.
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Questions Collectors Ask
Is This An Original WWII Piece Or A Reproduction?
The Asahi is a faithful modern reproduction of the original 1942 Nippon Kogaku design used by the Japanese Imperial Navy. It's not a restored vintage piece – it's newly built to period specifications, which means consistent quality, full documentation, and no uncertainty about authenticity or restoration work.
Orders ship within 24 hours. Delivery typically takes 3-5 business days. Free shipping included.
How Do I Care For The Asahi Long-Term?
The Asahi requires minimal maintenance. Use a microfiber cloth for cleaning fingerprints from the exterior surface. For lenses and eyepieces, use only lens wipes designed for optical glass. Store in a stable environment away from extreme moisture or temperature changes. These instruments were engineered for naval duty – they're built to endure with simple care.
Orders ship within 24 hours. Delivery typically takes 3-5 business days. Free shipping included.
I’m Just Starting to Collect. Is This Appropriate?
Yes. Asahi is designed as a foundation piece for serious collectors. It introduces you to the World War II naval “Big Eye” category without overwhelming your space. Many collectors begin with Asahi, then expand into additional pieces as their collection and knowledge grow – it’s a direct education in what serious naval optics offer.
Orders ship within 24 hours. Delivery typically takes 3-5 business days. Free shipping included.
What’s the Resale Market Like?
We can’t guarantee future appreciation, but well-documented, limited-production pieces are typically easier to resell within the collector community than anonymous marketplace finds. Asahi’s clear documentation and LuxxOptica provenance support confident resale if you ever choose to release it back into the market.
Orders ship within 24 hours. Delivery typically takes 3-5 business days. Free shipping included.
Can I Use The Asahi For Stargazing Or Marine Observation?
Yes, particularly for lunar observation and maritime use. The 15x80mm configuration reveals the Moon's surface detail – with stunning clarity. For marine observation, it excels in low-light conditions with a wide field of view. While not designed for deep-sky astronomy, many owners alternate between moon watching and display.
Orders ship within 24 hours. Delivery typically takes 3-5 business days. Free shipping included.
What's Your Warranty And Return Policy?
Each Asahi is backed by [specify warranty terms]. We stand behind the quality of our reproductions. [Return policy details]. If you have any concerns about your purchase, our team is available to assist.
Orders ship within 24 hours. Delivery typically takes 3-5 business days. Free shipping included.
Want to Call or Text Us for More Information?
Whether you're acquiring your first piece or expanding an established collection, we'll review configuration options, documentation, and your long-term goals.
Call or Text Us Directly:
+1.833.589.9678 | sales@luxxoptica.com
Or Book in a Free 30-Minute Consultation With Us Here:

