18x zoom optical telescope lens with 31mm lens diameter, 800M field of view, 18-degree viewing angle, 3M minimum focus, wide-angle design for outdoor observation and nature viewing in white colour
18x zoom optical telescope lens with 800M field of view and 31mm lens diameter for outdoor observation

This 18x zoom optical telescope lens provides a straightforward solution for seeing distant subjects clearly without moving closer. Designed with a 31mm lens diameter and an 18-degree viewing angle, it delivers a broad perspective that suits nature watching, landscape scanning, and general outdoor observation. The minimum focus distance of 3 metres allows you to adjust to objects that are moderately close, while the 800-metre field of view covers a wide area, making it easier to track movement or survey terrain. Finished in white, this lens attaches to compatible devices to extend their range capability. Its practical build and simple operation mean you can start using it with minimal setup, whether you are a hobbyist or need a reliable tool for fieldwork.
Features and Construction

The lens combines optical components and a straightforward design to deliver consistent performance. Its core specifications define how it captures and magnifies distant scenes, providing a clear view without complex adjustments.
Material and Build
The lens uses optical glass elements to transmit light efficiently, producing a magnified image that retains detail. The housing is finished in white, giving it a neutral, unobtrusive appearance that blends with most devices. While the exact housing material is not specified in the source text, the construction is typical of portable telescope lenses and designed for practical use.
Size and Practical Fit
With a lens diameter of 31mm, the lens is compact enough to carry in a bag or pocket during outdoor trips. The 18x magnification ensures you can observe subjects at a distance, while the minimum focus distance of 3 metres gives you flexibility to shift between far and moderately close views. The viewing angle of 18 degrees provides a wide enough sweep to scan open areas without repositioning the device frequently.
Uses and Placement

This lens is suited to scenarios where seeing details at range is essential. From natural environments to outdoor events, it helps you access information that would otherwise be invisible to the naked eye.
Event or Professional Use
Professionals such as surveyors, wildlife monitors, or security personnel can mount this lens to compatible optics to increase their viewing range. The 800-metre field of view allows scanning broad areas, while the 18x zoom brings specific points into closer inspection. The 3-metre minimum focus distance also allows for quick transitions to nearer targets.
Everyday Home Use
For home users, this lens enables close-up observation of birds, distant landmarks, or stars when attached to a suitable device. Its compact size means it can be stored easily and taken on day trips. The white colour reduces heat absorption in direct sunlight, maintaining consistent handling temperature during extended use.
Benefits and Buying Value

Choosing this lens offers functional advantages in terms of reach, clarity, and ease of use. Its specifications are focused on delivering a practical upgrade to your viewing equipment without unnecessary complexity.
Reuse and Low Maintenance
The lens requires minimal maintenance beyond keeping the glass clean and storing it in dry conditions. Its solid construction means it can be reused across multiple outings without performance degradation. There are no proprietary parts or consumables, reducing long-term upkeep costs.
Why Choose This Product
This lens provides a specific set of specifications—18x magnification, 31mm lens diameter, 18-degree viewing angle, 800-metre field of view, and 3-metre minimum focus—that together support effective long-distance observation. If your activity requires seeing more detail at range, this lens directly addresses that need with clear, measurable parameters. The white colour option also helps with visibility in low-light conditions when positioning the lens.

