Zero Compromise Optic ZC420H 4-20×50 Hunting Riflescope
Compact Performance Without Compromise
The ZC420H was designed around a simple philosophy:
Deliver the optical performance and mechanical precision of a full-size long-range riflescope in a package perfectly suited to modern hunting rifles.
Whether you’re stalking sambar through thick Victorian bush, glassing alpine basins or hunting across open farmland, the ZC420H provides exceptional versatility without unnecessary bulk.
Designed for:
✔ Mountain Hunting
✔ Sambar Hunting
✔ Red Deer Hunting
✔ Long-Range Hunting
✔ Professional Guides
✔ Premium Lightweight Rifle Builds
Versatile 4-20x Magnification
The 4-20x magnification range offers one of the most versatile hunting configurations available.
Benefits include:
✔ Wide field of view at low magnification
✔ Fast target acquisition
✔ Excellent timber performance
✔ Precise shot placement at extended range
✔ Suitable for virtually every Australian hunting scenario
From close encounters in heavy cover through to confident shots across open valleys, the ZC420H adapts effortlessly.
Legendary Austrian Optical Performance
Zero Compromise Optic has earned its reputation through exceptional image quality.
The ZC420H delivers:
✔ Outstanding resolution
✔ Exceptional contrast
✔ Industry-leading colour fidelity
✔ Outstanding edge-to-edge clarity
✔ Excellent depth of field
✔ Extremely forgiving eyebox
With an impressive 92% light transmission, the ZC420H continues to perform in the critical first and last light periods when game is most active.
Purpose-Built Hunting Turret System
Unlike dedicated competition optics, the ZC420H has been optimised specifically for hunters.
Benefits include:
✔ Fast elevation adjustments
✔ Locking turret design
✔ Positive tactile clicks
✔ Reliable return to zero
✔ Simple operation under field conditions
The result is a clean, intuitive system that inspires confidence when every shot matters.
First Focal Plane Precision
The ZC420H features a First Focal Plane (FFP) reticle design.
Benefits include:
✔ Accurate holdovers at every magnification
✔ Consistent ranging capability
✔ Faster follow-up corrections
✔ Reliable long-range performance
✔ Greater confidence in changing conditions
Multiple reticle options are available, allowing hunters to choose the configuration that best suits their preferred shooting style.
Compact Without Sacrificing Performance
One of the defining characteristics of the ZC420H is its remarkably compact footprint.
Benefits include:
✔ Improved rifle balance
✔ Easier transport
✔ Better handling in thick vegetation
✔ Reduced overall rifle length
✔ Perfect for lightweight mountain rifles
At only approximately 328mm long, the ZC420H delivers the performance of significantly larger optics while maintaining superb handling characteristics.
Exceptional Mechanical Precision
Every Zero Compromise Optic is engineered to an uncompromising standard.
Benefits include:
✔ Precise tracking
✔ Repeatable adjustments
✔ Reliable zero retention
✔ Exceptional durability
✔ Confidence at any distance
Mechanical reliability is one of the defining characteristics that has established ZCO among the world’s premier premium optics manufacturers.
Outstanding Internal Adjustment
The ZC420H provides generous internal adjustment for modern long-range cartridges.
Benefits include:
✔ Greater long-range capability
✔ Increased mounting flexibility
✔ Compatible with canted rails
✔ Suitable for modern hunting cartridges
✔ Confident dialing at extended distances
With 35 MRAD of elevation adjustment, the ZC420H offers capability well beyond traditional hunting distances.
Built for Harsh Hunting Environments
Every ZCO riflescope is designed to perform under demanding field conditions.
Features include:
✔ Waterproof construction
✔ Heavy recoil resistance
✔ Extreme temperature performance
✔ Robust 36mm main tube
✔ Premium sealing throughout
Built to withstand years of hard use in some of the world’s toughest hunting environments.
Premium Illumination System
The illuminated reticle has been designed specifically for hunting.
Features include:
✔ Adjustable brightness
✔ Daylight visibility
✔ Low-light precision
✔ Red and Green illumination options (model dependent)
✔ Automatic illumination management (AIM)
The integrated AIM system automatically manages illumination to maximise battery life and convenience in the field.
Key Features
✔ 4-20x magnification
✔ 50mm objective lens
✔ First Focal Plane reticle
✔ Hunting turret configuration
✔ 36mm main tube
✔ Compact 328mm overall length
✔ Outstanding 92% light transmission
✔ 35 MRAD elevation adjustment
✔ Locking turret system
✔ Automatic illumination management
✔ Premium Austrian optics
✔ Exceptional mechanical precision
✔ Waterproof construction
✔ Designed specifically for hunting
Specifications
| Specification | Details |
|---|---|
| Magnification | 4-20x |
| Objective Lens | 50mm |
| Tube Diameter | 36mm |
| Focal Plane | First Focal Plane |
| Reticle | Multiple Reticle Options Available |
| Light Transmission | 92% |
| Elevation Adjustment | 35 MRAD |
| Windage Adjustment | 20 MRAD |
| Click Value | 0.1 MRAD |
| Eye Relief | >90mm |
| Parallax | 25m – Infinity |
| Length | 328mm |
| Weight | Approx. 1,036g |
| Illumination | Yes |
| Battery | CR2032 |
| Country of Manufacture | Austria |
Ideal For
Hunting
✔ Sambar Deer
✔ Red Deer
✔ Fallow Deer
✔ Chital Deer
✔ Pig Hunting
✔ Alpine Hunting
✔ Mountain Hunting
Shooting Applications
✔ Long-Range Hunting
✔ Precision Hunting
✔ Load Development
✔ Steel Shooting
Rifle Platforms
✔ Proof Research Elevation
✔ Proof Research Glacier
✔ Tikka T3x
✔ Sako 90
✔ Zermatt Origin
✔ Accuracy International AT-X
What’s in the Box
• Zero Compromise Optic ZC420H 4-20×50 Riflescope
• Lens Covers
• CR2032 Battery
• User Documentation
• Warranty Information
Why Buy From Delta Tactical
At Delta Tactical we specialise in the world’s finest premium hunting optics.
When you purchase from us you receive:
✔ Genuine Zero Compromise Optic products
✔ Expert hunting and long-range advice
✔ Fast Australian shipping
✔ Local warranty support
✔ Real-world hunting experience
✔ Premium rifle setup assistance
Buyer’s Guide: Is the ZC420H Right for You?
Choose the ZC420H if:
✔ You want one riflescope that can do everything
✔ You hunt from thick bush to open country
✔ You value the very best optical quality
✔ Compact size is important
✔ You regularly dial for longer shots
✔ You demand elite mechanical reliability
The Zero Compromise Optic ZC420H represents one of the finest hunting riflescopes available today. Combining extraordinary optical performance, premium Austrian engineering and exceptional mechanical precision in a remarkably compact package, it is built for hunters who refuse to compromise.
Recommended Pairings
| Product | Ideal Pairing |
|---|---|
| ZC420H | Proof Research Glacier |
| ZC420H | Proof Research Elevation |
| ZC420H | Tikka T3x Superlite |
| ZC420H | Area 419 Match Rings |
| ZC420H | MTN Gear Expedition Chassis |
Hunting Scope Selector Guide
| Primary Use | Recommended Scope |
|---|---|
| Mountain Hunting | ZC420H |
| Sambar Hunting | ZC420H |
| Long-Range Hunting | ZC420H |
| Lightweight Premium Rifle | ZC420H |
| All-Round Premium Hunting | ZC420H |
| PRS Competition | ZCO ZC527 |
The Zero Compromise Optic ZC420H is arguably one of the finest premium hunting riflescopes available, combining elite Austrian optics, uncompromising mechanical precision and a compact, field-ready design that perfectly complements today’s lightweight hunting rifles.


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