Keck Zenith ED 4.5-27x56 FFPIR MIL 34mm
Keck Zenith ED 4.5-27x56 FFPIR MIL 34mm
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Exceptional Clarity & ED Glass: Equipped with Premium Extra-low Dispersion (ED) glass to ensure ultimate color accuracy, sharp contrast, and edge-to-edge clarity while eliminating chromatic aberration.
High Light Transmission: Features fully green multi-coated lenses boasting a 91% light transmission rate, delivering a bright, vivid image even in low-light environments.
Precision Etched Reticle: Outfitted with an etched, illuminated glass first focal plane (FFP) reticle for sharp, bright views and accurate holdovers at any magnification level.
Aerospace-Grade Durability: Built with a one-piece, 34mm main tube crafted from T6063 aerospace-grade aluminum for maximum structural integrity and expanded adjustment range.
1000G Shock Resistance: Engineered to withstand heavy recoil and severe impacts up to 1000G, ensuring your zero stays locked in under the toughest conditions.
All-Weather Reliability: IPX7 waterproof rated and nitrogen-filled for complete fog-proof and moisture protection in any tactical or hunting environment.
| Feature | Value | Explanation |
| Model / Series | Zenith ED 4.5-27x56 |
Premium series, likely using Extra-low Dispersion (ED) glass.
|
| Magnification Range | 4.5×−27× |
Minimum to maximum zoom level.
|
| Objective Lens Diameter | 56mm |
The large front lens diameter (56mm) is excellent for light gathering.
|
| Scope Tube Diameter | 34mm |
The large tube diameter allows for greater internal adjustment range.
|
| Field of View / (at 100 yds) | 5.3∘−0.88∘ |
The angular width of the visible area at minimum and maximum magnification.
|
| Exit Pupil | 9mm−2.36mm |
The diameter of the light beam exiting the eyepiece at minimum and maximum magnification.
|
| Eye Relief | 3.74" (95mm) |
The safe distance from the eyepiece to the eye; a generous and consistent value.
|
| Ocular Lens Diameter | 38mm |
The diameter of the lens closest to the user's eye.
|
| Lens Coating | Fully green multi-coated |
High-quality coatings to maximize light transmission and reduce glare.
|
| Reticle Type | Etched |
Confirms the reticle is precisely engraved on the glass.
|
| Diopter Adjustment | ±2.5 |
The range for adjusting focus to the user's eye prescription.
|
| Adjustment Click Value | 0.1MRAD |
The amount of movement (precision) per click on the turrets.
|
| Max. Elevation Adjustment | 30MIL (103MOA) |
The total vertical adjustment range available for bullet drop compensation.
|
| Max. Windage Adjustment | 30MIL (103MOA) |
The total horizontal adjustment range available for wind compensation.
|
| Parallax Correction Range | 10yds−∞ |
The range at which the focus can be adjusted to eliminate parallax error.
|
| Exterior Finish | Matte Black |
Non-reflective finish.
|
| Overall Length | 348mm |
The total length of the scope.
|
| Turret system | Zero stop |
