Rated 4.8 out of 5.0
Yamato 20x120mm Big Eye Binoculars
$11,900.00
Named after the legendary battleship. This 20x120mm reproduction delivers exceptional optical performance and commanding physical presence – standing nearly 6.5 feet tall at full extension. Designed for grand spaces where superior magnification and substantial scale are essential: penthouse libraries, yacht captain's quarters, luxury resort lobbies, and distinguished private collections. Includes complete historical documentation and LuxxOptica authentication.
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Named After A Legend
The battleship Yamato was the largest and most powerful battleship ever constructed – a symbol of Japanese naval engineering at its peak.
During World War II, 20x120mm "Big Eye" optical instruments were mounted on major vessels across the Imperial Japanese Navy, where they provided exceptional long-range detection capability in the vast Pacific Theater.
These instruments represented advanced wartime optical innovation – designed for vessels requiring superior visual range and precision.
At a Glance:
At a Glance:
Design Origin:
Nippon Kogaku K.K. and Tokyo Optical Company collaboration, peak WWII-era engineering
Deployment:
Major vessels of the Japanese Imperial Navy, Pacific Theater
Role:
Extended-range aircraft detection and maritime surveillance
Legacy:
The 20x120mm format represents one of the most powerful naval optical configurations of its era
Rated 4.8 out of 5.0
Transforming Spaces From Coastal Estates To Yacht Salons
"Very pleased with our purchase! Great service from start to finish with Sean. Looking forward to using this in our home with our family!"
Fortunato V • Verified Customer
01.16.26
"Lake house, beach house, mountain cabin, anywhere you want to see more or your view but closer! We love ours!"
Michael K • Verified Customer
09.29.25
"Happened upon your product at the Norwalk boat show. The quality & the workmanship made it a must have. Heirloom!"
William L • Verified Customer
19.01.24
"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
11.26.25
"These gorgeous binoculars really level up the look of your house. We're already planning where to set-up our next pair."
Bonnie R • Verified Customer
11.11.24
"Saw these at a boat show. Beautiful works of art."
William L • Verified Customer
12.12.25
Built For Grand Spaces and Serious Use
The
“Big Eye”
Built For Grand Spaces and Serious Use
Originally engineered for major warships requiring superior optical capability, the 20x120mm format delivers exceptional magnification and light-gathering power. Yamato faithfully recreates this advanced naval configuration for collectors seeking enhanced performance and commanding presence.
Built For Grand Spaces and Serious Use
The
“Big Eye”
Design Legacy
Originally engineered for major warships requiring superior optical capability, the 20x120mm format delivers exceptional magnification and light-gathering power. Yamato faithfully recreates this advanced naval configuration for collectors seeking enhanced performance and commanding presence.
Why 20x120mm?
Magnification
20x vs. 17.4–2 x 26 Hug 3x more magnification for extended-range observation
Aperture
120mm vs. typical 50mm – nearly 6× more light-gathering power. 50% more than 80mm models.
Purpose
Developed for major naval vessels requiring extended visual range across open ocean
Field of View
Optimized for long-range detection while maintaining stable observation
Build
Naval-grade, ship-mounted format engineered for exceptional durability
Collector Appeal
The 20×120mm format represents advanced WWII naval optical engineering
Exceptional Craftsmanship, Commanding Scale
Each Yamato is hand-built to exacting standards. We faithfully recreate the legendary 20x120mm naval design with precise attention to detail, then enhance it with modern coated optics to deliver exceptional performance while honoring the original engineering.
The Process
Step 1
Cast & Polish
Solid cast aluminum body, hand-polished to a flawless, mirror-like finish befitting superior naval engineering.
Step 2
Nickel Plating
Multiple nickel layers applied for exceptional durability and timeless elegance.
Step 3
Optical Engineering
Each 120mm optical element is calibrated to exacting specifications—superior performance meets historical accuracy.
Step 4
Hand Assembly
Master craftsmen assemble, collimate, and inspect every unit by hand. Each Yamato undergoes rigorous quality control.
Superior Optical Performance
Magnification
20x
Enhanced Magnification For Extended-Range Observation
Objective Lens
120mm
50% More Light Than 80mm Models – Exceptional Low-Light Performance
Weight
Approx. 60-70 lbs
Substantial Build Quality
Design
Porro Prism
Superior Depth Perception and Three-Dimensional Viewing
HEIGHT
Adjustable 56" – 78"
Commanding 6.5-Foot Vertical Presence – Designed For Grand Spaces
CONSTRUCTION
Solid Cast Aluminum, Nickel-Plated
Naval-Grade Durability and Museum-Quality Finish
EYEPIECES
Fully Adjustable
Accommodates Individual Viewing Preferences and Varying Light Conditions
Superior Optical Performance
Guardians of Advanced Naval Engineering
Original 20x120mm optical instruments from the 1940s are exceptionally rare. Most were destroyed during combat, lost to corrosion, or dismantled after the war. Those that survived are increasingly held in museums or private collections – vanishing from public access year by year.
Faithful reproductions like Yamato ensure this advanced naval optical engineering remains visible, documented, and appreciated for generations to come.
Your Role:
Historical Preservation
Keep 20x120mm naval design alive and accessible
Educational Legacy
Preserve the story of the battleship Yamato and advanced naval optical innovation
Future Access
Ensure this engineering achievement can be experienced firsthand, not just archived
Proper Stewardship
Maintain and protect the instrument as a generational heirloom
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Questions Collectors Ask
How Does The Yamato Differ From The Asahi and Midway?
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.
Why Is It Called “Yamato”?
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.
Can I Use The Yamato For Stargazing Or Marine Observation?
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.
How Do I Care For The Yamato 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.
What Kind of Space Does The Yamato Require?
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.
Is This An Original WWII Piece Or A Reproduction?
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.
Is The 20x Magnification Difficult To Use?
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.
What’s Your Warranty And Return Policy?
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.
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:

