Ricoh/Pentax Pentax AD 25 Waterproof 10x25

Ricoh/Pentax Pentax AD 25 10x25 – Waterproof Compact Binoculars with Fully Multi-Coated Optics

The Pentax AD 25 10x25 is a compact binocular designed for clear, high-contrast viewing in a small, easy-to-carry package. It combines fully multi-coated lenses, BaK4 roof prisms, and enhanced light transmission coatings to deliver sharp images. Additionally, the model is built to withstand wet and dusty conditions thanks to waterproofing and nitrogen purging.

Key optical features and image quality

These binoculars use new fully multi-coated optics to reduce reflections and improve light transmission. They also feature a Super Reflective Prism coating and phase correction coating on the prisms, which work together to increase contrast and render fine details more clearly. The enhanced light transmission coatings further boost image brightness, especially in low-light conditions.

Durability and handling

The AD 25 is fully waterproof and nitrogen-purged to meet JIS Class 6 standards, providing protection against water ingress and internal fogging. A fully rubber-covered body improves grip and offers added protection against bumps and everyday wear. Overall, the design balances compactness with practical durability for outdoor use.

Comfort and focusing

For comfortable long viewing sessions, the binoculars include twist-up eyecups and comfortable eye-relief. Inner focusing ensures smooth and precise adjustment without moving external optical elements. These features together make focusing quick and handling straightforward.

Included feature list

• New fully multi-coated optics
• New enhanced light transmission coatings
• Fully waterproof and nitrogen-purged (JIS Class 6)
• Super Reflective Prism coating, including phase correction coating
• Rubber covered body provides protection and grip
• Comfortable eye-relief and close-focus
• Inner focusing
• Twist-up eyecups

Specifications

Smart FAQ

Question: Are these binoculars suitable for use in wet weather?
Answer: Yes. The Pentax AD 25 is fully waterproof and nitrogen-purged to JIS Class 6 standards, which protects the optics from water ingress and internal fogging, making them suitable for wet conditions.

Question: What optical advantages do the coatings provide?
Answer: The binoculars use fully multi-coated optics, enhanced light transmission coatings, and Super Reflective Prism coating with phase correction. Together, these coatings reduce reflections, improve brightness, and increase contrast for clearer, more detailed images.

Question: How do the design and handling features help during extended use?
Answer: A rubber-covered body improves grip and protects the binoculars from minor impacts. Inner focusing and a smooth focus wheel make precise adjustments easy, while twist-up eyecups and comfortable eye-relief help maintain stable viewing during long sessions.

Question: What is the magnification and size of the objectives?
Answer: This model offers 10x magnification with 25 mm objective lenses, delivering a compact form factor suitable for travel and everyday carry without sacrificing optical clarity.

If you need more details or compatibility information, contact us and we will help source additional specifications or accessories.