Opticron Trailfinder HD 10x36 Monocular

Opticron Trailfinder HD 10x36 Monocular

Craftsmanship & Construction

The monocular features a compact roof prism design housed within a durable aluminium alloy body, delivering strength while keeping overall weight low. Protective rubber armouring enhances grip and provides resistance against everyday impacts and handling.

Internally, the optical system uses BAK4 prisms combined with fully multi-coated lenses across all air-to-glass surfaces, supporting improved light transmission, contrast, and image clarity.

Fit & Comfort

Designed for single-eye viewing, the monocular offers 17mm eye relief, allowing comfortable use for most spectacle wearers. A three-stage retractable rubber eyecup enables precise adjustment for correct eye positioning and helps reduce stray light.

The compact form factor and lightweight build make it easy to carry in a pocket or on a belt, while the integrated belt clip ensures quick access during walks or hikes.

Waterproof Performance

The nitrogen-filled construction prevents internal fogging during temperature changes, ensuring consistent clarity in variable conditions. With an IPX-6 waterproof rating, the monocular is designed to withstand heavy rain and challenging outdoor environments.

Key Features

• 10x magnification for enhanced detail at longer distances
• 36mm objective lens balancing brightness and portability
• Fully multi-coated optical system for improved clarity and contrast
• BAK4 roof prism construction for efficient light transmission
• IPX-6 waterproof rating with nitrogen-filled housing
• 17mm eye relief suitable for most glasses wearers
• Three-stage retractable rubber eyecup for adjustable viewing
• Integrated belt clip for convenient carry and access

Materials & Care

The monocular is constructed from aluminium alloy with protective rubber armouring for durability and secure handling. The optical system incorporates fully multi-coated lenses and BAK4 prisms.

It is supplied with a soft case, neck strap, and an integrated rubber objective lens cover to protect the optic during storage and transport.

Specifications

• Magnification: 10x
• Objective lens diameter: 36mm
• Field of view: 108m at 1000m (6.2°)
• Close focus distance: 5.3m
• Eye relief: 17mm
• Prism type: Roof (BAK4)
• Lens coating: Fully multi-coated
• Waterproof: Yes (IPX-6)
• Nitrogen filled: Yes
• Dimensions: 125 x 56 x 49mm
• Weight: 288g

Opticron Trailfinder HD 10x36 Monocular Review

The Opticron Trailfinder HD 10x36 Monocular is designed for users who want increased magnification in a compact, field-ready format. It is particularly suited to hikers, countryside walkers, and wildlife observers looking to pick out finer detail at longer distances without carrying bulkier optics.

Combining higher magnification with a lightweight build and weatherproof construction, it offers a practical solution for extended outdoor use where portability and reach are equally important.

Opticron Trailfinder HD 10x36 Monocular Performance & Key Features

The 10x magnification delivers increased reach compared to lower-powered models, making it easier to observe distant subjects with improved detail. The fully multi-coated optical system supports clear and contrast-rich images, while the 36mm objective lens maintains good brightness for daytime use.

• 10x magnification enhances long-range observation
• Fully multi-coated optics improve clarity and contrast
• 108m field of view supports subject tracking at distance
• Compact design retains portability despite higher power

Build Quality & Handling

The aluminium alloy construction combined with rubber armouring provides durability without excessive weight, coming in at just 288g. Its compact dimensions make it suitable for pocket carry, while the integrated belt clip offers quick accessibility.

Weather resistance is reinforced through nitrogen filling and an IPX-6 waterproof rating, supporting reliable use in wet and variable outdoor conditions.

Is the Opticron Trailfinder HD 10x36 Monocular Easy to Use?

The monocular is simple to operate, with stable handheld performance for its magnification level. The retractable eyecup allows quick adjustment for different users, helping maintain proper eye alignment.

• Three-stage eyecup for personalised viewing comfort
• Compact size for easy handling on the move
• Belt clip enables fast access during outdoor use

Key Takeaways of the Opticron Trailfinder HD 10x36 Monocular

This monocular offers a strong combination of increased magnification, compact design, and reliable weatherproof construction. It delivers improved detail at distance compared to lower-powered alternatives while remaining easy to carry on long walks or hikes. The slightly narrower field of view reflects its focus on distant observation, making it particularly well-suited to users prioritising reach over wide scanning. For outdoor enthusiasts seeking a portable optic with enhanced detail, it represents a practical and well-balanced choice.

Opticron Trailfinder HD 10x36 Monocular FAQs

What magnification does the Opticron Trailfinder HD 10x36 Monocular offer?

It features 10x magnification, providing increased detail when viewing distant subjects compared to lower magnification models.

Is the Opticron Trailfinder HD 10x36 Monocular waterproof?

Yes, it is nitrogen-filled and rated to IPX-6, offering protection against heavy rain and wet outdoor conditions.

What is the field of view of this monocular?

The field of view is 108 metres at 1000 metres, equivalent to 6.2 degrees, which is suited to focused long-distance observation.

Can it be used while wearing glasses?

Yes, with 17mm eye relief, it is suitable for most spectacle wearers while maintaining a usable field of view.

How close can the Opticron Trailfinder HD 10x36 focus?

It has a minimum focus distance of 5.3 metres, reflecting its emphasis on mid to long-range viewing rather than close-up detail.

What materials are used in the construction?

The monocular uses an aluminium alloy body with protective rubber armouring for durability and improved grip.

Is it suitable for hiking and travel?

Yes, its compact size, lightweight design, and integrated belt clip make it ideal for hiking, walking, and travel use.

What accessories are included?

It is supplied with a soft case, neck strap, and an integrated rubber objective lens cover for protection and easy transport.