Steiner Refocus Lens Night Vision Accessory Review

Let’s Dive into Steiner Refocus Lens Night Vision Accessory

The Steiner Refocus Lens Night Vision Accessory promises to bridge the gap between distant observation and immediate, close-quarters operational needs under the cloak of darkness. Steiner, a name synonymous with quality optics, aims to enhance the versatility of widely used night vision devices with this simple yet ingenious add-on. This refocus lens claims to allow operators to transition from scanning the horizon to reading a map or clearing a weapon with unparalleled speed.

As an outdoor and tactical gear specialist, I’ve long recognized the limitations of fixed-focus night vision. The blurred near-field vision often forces compromises or reliance on secondary light sources, potentially giving away your position. The promise of instantly flipping between infinity and close-range focus intrigued me, sparking a quest to determine if this accessory could truly deliver.

Upon unboxing, the Steiner Refocus Lens felt robust and well-made, despite its lightweight construction. The polymer housing and the clarity of the lens itself gave a sense of quality. It was surprisingly compact, a critical consideration for something intended to attach to already bulky night vision goggles.

Compared to permanently mounted close-focus lenses, which sacrifice long-range clarity, the Steiner offered a unique advantage: instant adaptability. Alternatives like adjustable diopters exist, but they require manual adjustments, a slow process in a dynamic environment. My initial excitement stemmed from the potential for seamless transitions, enhancing situational awareness.

My first impression was one of cautious optimism. The design seemed intelligent, but the true test would be in its performance under real-world conditions. Could this small accessory live up to the Steiner name and become an indispensable tool for night operations?

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Real-World Testing: Putting Steiner Refocus Lens Night Vision Accessory to the Test

First Use Experience

My first field test took place during a night navigation exercise in a densely wooded area. I mounted the Steiner Refocus Lens on my AN/PVS-14 and navigated through the terrain, constantly switching between scanning for landmarks and consulting my map. The ability to instantly refocus allowed me to read the map without fumbling for a separate light source.

The lens performed admirably in moderate humidity. While the image quality inevitably degrades slightly compared to direct viewing through the NVG objective, the clarity at the designated 20-24 inch focus range was adequate for its intended purpose. There was a noticeable halo effect around light sources when the refocus lens was engaged, but it didn’t significantly impede my ability to navigate.

Initially, the flip mechanism felt slightly stiff, requiring a deliberate action to engage or disengage the lens. However, with practice, I adapted and could perform the transition quickly and efficiently. The most surprising aspect was how much it enhanced my close-quarters capability without compromising my ability to scan at a distance.

Extended Use & Reliability

After several months of consistent use, the Steiner Refocus Lens has proven to be remarkably durable. The polymer housing has shown no signs of cracking or damage, even after exposure to rain, mud, and accidental impacts. The lens itself remains scratch-free, likely due to its recessed design when in the storage position.

Maintenance is minimal; a quick wipe with a microfiber cloth is usually sufficient to remove dust or fingerprints. The flip mechanism continues to function smoothly, although I periodically apply a small amount of silicone lubricant to ensure optimal performance.

Compared to my previous reliance on a headlamp for close-range tasks, the Steiner Refocus Lens offers a significant advantage in terms of speed, stealth, and convenience. It’s not a perfect solution, as image clarity is reduced, but the trade-off is more than worth it for the enhanced situational awareness it provides.

Breaking Down the Features of Steiner Refocus Lens Night Vision Accessory

Specifications

• Angular Field of View: The Steiner Refocus Lens offers a 30º angular field of view. This provides a decent viewing area for close-range tasks without feeling overly restrictive.
• Focus Range: The focus range is approximately 20 to 24 inches. This range is optimal for reading maps, operating equipment, and performing other close-quarters tasks.
• Dimensions: The Universal model measures 41mm (1.6in) x 54mm (2.1in) x19mm (0.75in) and the AN/PVS-21 model measures 48mm (1.7in) x 45mm (1.7in) x 30mm (1.2in). These compact dimensions ensure that the accessory doesn’t add excessive bulk to the NVG.
• Weight: The Universal model weighs only 10.5g (0.4 ounces) and the AN/PVS-21 model weighs approximately 12g (0.5 ounces). The negligible weight ensures that the lens doesn’t significantly impact the balance or comfort of the NVG.
• Compatibility: The lens is designed for use with a wide range of NVGs, including AN/AVS-6, AN/AVS-7, AN/AVS-9, AN/PVS-14, AN/PVS-15, AN/PVS-18, AN/PVS-21, AN/PVS-23, and AN/PVS-31. This versatility makes it a valuable addition to many operators’ kits.
• Attachment: The accessory attaches to the objective on either side of the NVG via a simple finger clamp. This system allows for quick and easy installation and removal.
• Custom Focus Ranges: Steiner offers custom focus ranges. This is a great option for specialized users.

These specifications are important because they directly impact the functionality and usability of the lens. The focus range dictates the types of tasks for which the lens is suitable, while the dimensions and weight influence comfort and portability.

Performance & Functionality

The Steiner Refocus Lens excels at enhancing close-quarters capabilities under night vision. It allows for quick transitions between long-range observation and detailed close-range work.

The primary strength of the Steiner Refocus Lens is its speed and convenience. Its weakness is the slightly reduced image quality compared to direct viewing. Despite this, it mostly exceeds expectations for what is a simple, yet effective accessory.

Design & Ergonomics

The build quality of the Steiner Refocus Lens is excellent, with durable materials and a robust construction. The lightweight design ensures that it doesn’t add significant weight to the NVG system, which is a great feature.

The attachment system is simple and intuitive, allowing for quick and easy installation and removal. While the flip mechanism initially feels stiff, it becomes more fluid with use.

Durability & Maintenance

The high-quality polymer and scratch-resistant lens are built to withstand the rigors of field use. The simple design minimizes the risk of mechanical failure.

Maintenance is straightforward, requiring only occasional cleaning with a soft cloth. The durable construction ensures a long service life.

Accessories and Customization Options

The Steiner Refocus Lens itself is a self-contained accessory and does not require any additional components for operation. Custom focus ranges are available directly from Steiner for specialized applications. It is compatible with standard NVG mounting systems.

Pros and Cons of Steiner Refocus Lens Night Vision Accessory

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Who Should Buy Steiner Refocus Lens Night Vision Accessory?

The Steiner Refocus Lens is perfect for military personnel, law enforcement officers, and search and rescue teams who frequently operate in dynamic night environments. It’s ideal for anyone who needs to quickly switch between scanning for threats and performing close-quarters tasks like map reading or equipment operation.

This product may not be necessary for individuals who primarily use night vision for stationary observation or those who have limited need for close-range vision enhancement.

A must-have modification would be a tethering system to prevent loss of the lens in the field.

Conclusion on Steiner Refocus Lens Night Vision Accessory

The Steiner Refocus Lens Night Vision Accessory is a valuable tool that enhances the versatility and functionality of commonly used NVGs. It effectively bridges the gap between long-range observation and close-quarters tasks, offering a significant advantage in dynamic night environments.

At $135.99, the price is justified by the enhanced capabilities and convenience it provides. It is a relatively small investment for a significant improvement in operational effectiveness.

I would personally recommend the Steiner Refocus Lens to anyone who relies on night vision for professional or recreational purposes. It’s a simple, effective, and durable accessory that can significantly enhance your situational awareness and performance under the cover of darkness. If you’re serious about your night vision capabilities, consider adding the Steiner Refocus Lens to your kit and experience the difference it can make.