Sac Lens, Ballistic Lens Protector (PVS-14 thread)
The Sac Lens Ballistic Lens Protector is a replaceable polycarbonate window for night vision devices with PVS-14-type lens threads. It takes scratches, knocks and impacts that could otherwise damage the device’s lens. The protector screws onto a compatible objective or eyepiece by hand, without tools or an adapter.
Weighing 5.6 g and adding just 4.6 mm in length, it adds minimal bulk to your device. Light transmission is 92%. According to the manufacturer, resolution, focus range and use with IR illumination remain unchanged.
The protector occupies the lens thread, so it cannot be combined with another accessory using that same thread. FTO/COTI clip-ons, compasses and Butler Creek covers remain compatible.
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Description
Article no.: FC-SAC-LENS
Birdshot from 3 metres, slowed down.
Compatibility
• Fits PVS-14, THE-14, FC-M, FC-B, DTNVS, RNVG and similar devices with PVS-14-type lens threads.
• Not compatible with FC-Q, PVS-31 or MUM-14.
Features
• Replaceable polycarbonate sacrificial window.
• Fits compatible objective and eyepiece threads.
• Installs by hand without tools.
• Takes wear and impacts instead of the device’s lens.
• Clean with a microfibre cloth.
• Replace when scuffed or after a hard impact.
Specifications
• Material: Polycarbonate
• Light transmission: 92%
• Outer diameter: 53 mm
• Added length: 4.6 mm
• Weight: 5.6 g
• Quantity: 1. Binocular night vision devices require two to protect both objectives.
Protection and testing
The manufacturer describes an in-house test in which seven birdshot pellets struck the protector from three metres without damaging the FC-M objective behind it.
The protective window cracked and detached from its ring.
This test does not establish a certified ballistic rating or guarantee protection against similar impacts.
The product protects the device’s lens and is not eye protection.