Opticron Oregon 4 PC Oasis Binoculars

Premium Waterproof Binoculars for Birdwatching, Wildlife Observation & Astronomy

The Opticron Oregon 4 PC Oasis Binoculars offer exceptional optical performance, rugged waterproof construction and outstanding value, making them an ideal choice for both first-time buyers and experienced nature enthusiasts. Featuring premium OASIS high light transmission coatings, phase-corrected BAK-4 roof prisms and fully multi-coated optics, the Oregon 4 PC Oasis delivers bright, sharp and colour-rich images across a range of outdoor activities.

Available in 8x32, 8x42, 10x42 and 10x50 configurations, the Oregon 4 series provides a model to suit everything from woodland birdwatching to long-distance wildlife observation and casual astronomy.

Premium Optical Performance

The Oregon 4 PC Oasis has been engineered to deliver a level of image quality that exceeds expectations for its class.

Its advanced optical system combines:

• Premium BAK-4 roof prisms

• Fully multi-coated lenses

• Phase-corrected prism coatings

• OASIS high light transmission coatings

Together, these technologies provide:

• Bright, crisp images

• Outstanding contrast

• Excellent colour fidelity

• High apparent resolution

• Reduced glare and reflections

The result is a viewing experience that remains sharp and vibrant throughout the day, even in more challenging lighting conditions.

Advanced OASIS High Light Transmission Coatings

Opticron's renowned OASIS prism coating technology maximises light transmission through the optical system, helping deliver brighter and more natural-looking images.

Benefits include:

• Increased brightness

• Improved low-light performance

• Enhanced colour accuracy

• Greater image contrast

• Better visibility in woodland and overcast conditions

This advanced coating system makes the Oregon 4 an excellent companion from dawn until dusk.

Wide Field of View

The Oregon 4 series offers class-leading fields of view that make locating and following moving subjects effortless.

A wider viewing angle is especially useful for:

• Birds in flight

• Wildlife observation

• Woodland birdwatching

• Nature reserves

• Sporting events

• General countryside exploration

The expansive field creates a more immersive viewing experience while making subject acquisition quicker and easier.

Rugged Roof Prism Design

The compact roof prism construction combines excellent optical performance with comfortable everyday handling.

Finished in a sophisticated twin-relief rubber armour, the binoculars provide:

• Secure grip

• Comfortable handling

• Improved durability

• Protection against knocks

• Confident use in wet weather

The ergonomic body feels balanced and comfortable during extended observation sessions.

Waterproof for All Seasons

Built for year-round outdoor use, the Oregon 4 PC Oasis features a nitrogen-filled waterproof construction that protects the internal optics from moisture and fogging.

Ideal for use in:

• Rain

• Woodland

• Coastal environments

• Cold weather

• Damp mornings

• Nature reserves

You can continue observing with confidence whatever the weather.

Comfortable Viewing for Glasses Wearers

Long eye relief across the range, combined with twist-up retractable eyecups, provides comfortable viewing whether you wear glasses or not.

The generous eye relief on the 8x42 and 10x50 models makes them particularly well suited to spectacle wearers, allowing a full field of view with minimal adjustment.

Smooth & Precise Focusing

A large central focusing wheel allows quick and accurate focusing, making it easy to move between nearby and distant subjects.

The smooth focusing action is particularly useful when tracking moving wildlife or scanning changing landscapes.

Excellent Close Focus

With close focusing distances as little as 1.8 metres (8x32 model), the Oregon 4 performs just as well at close range as it does over long distances.

Ideal for observing:

• Butterflies

• Dragonflies

• Wildflowers

• Garden birds

• Insects

• Small mammals

This versatility makes the Oregon 4 an excellent all-round field binocular.

Tripod Compatible

For prolonged observation sessions, all Oregon 4 PC Oasis models feature a standard tripod adapter socket.

Perfect for:

• Long-distance wildlife observation

• Coastal viewing

• Astronomy

• Extended surveillance

• Digiscoping support

Perfect for Birdwatching & Wildlife Observation

The Oregon 4 PC Oasis is one of Opticron's most versatile binocular ranges.

Ideal for:

• Birdwatching

• Wildlife observation

• Nature reserves

• Woodland walks

• Coastal birding

• Safari holidays

• Travel

• General countryside exploration

Its excellent optical performance and robust construction make it suitable for regular outdoor use throughout the year.

Great for Astronomy

The bright optics and larger objective lenses also make the Oregon 4 an excellent choice for casual astronomy.

Enjoy impressive handheld views of:

• The Moon

• Bright planets

• Star clusters

• The Milky Way

• Larger deep-sky objects

The 10x50 model is particularly well suited to stargazing thanks to its greater light-gathering ability, while the 8x42 offers an excellent balance of brightness, field of view and portability.

Available Models

8x32

A compact, lightweight binocular that's ideal for travel, woodland birdwatching and everyday wildlife observation.

• Field of View: 141m @ 1000m

• Close Focus: 1.8m

• Eye Relief: 15mm

• Weight: 497g

8x42

A superb all-round model offering bright images, excellent eye relief and outstanding versatility.

• Field of View: 122m @ 1000m

• Close Focus: 2.3m

• Eye Relief: 22mm

• Weight: 685g

10x42

Ideal for observing distant wildlife while maintaining excellent portability.

• Field of View: 105m @ 1000m

• Close Focus: 2.3m

• Eye Relief: 18mm

• Weight: 678g

10x50

Designed for maximum brightness and long-range viewing.

Perfect for:

• Coastal observation

• Open countryside

• Low-light wildlife observation

• Astronomy

• Field of View: 80m @ 1000m

• Close Focus: 2.5m

• Eye Relief: 22mm

• Weight: 845g

Why Choose the Opticron Oregon 4 PC Oasis Binoculars?

• Available in 8x32, 8x42, 10x42 and 10x50 models

• Premium BAK-4 roof prisms

• OASIS high light transmission coatings

• Phase-corrected prism coatings

• Fully multi-coated optics

• Bright, sharp, high-contrast images

• Waterproof nitrogen-filled construction

• Comfortable twin-relief rubber armour

• Twist-up eyecups

• Smooth central focusing

• Tripod adapter socket

• Excellent for birdwatching, wildlife observation, travel and astronomy

Specifications

Common Features

• Waterproof: Yes (Nitrogen Filled)

• Prism Type: Roof Prism

• Prism Glass: BAK-4

• Optical Coatings: Fully Multi-Coated

• Prism Coatings: Phase Corrected with OASIS High Light Transmission Coatings

• Focus System: Central Focus

• Eyecups: Twist-Type Retractable

• Tripod Adaptable: Yes

What's in the Box?

Your Opticron Oregon 4 PC Oasis Binoculars include:

• Opticron Oregon 4 PC Oasis Binoculars

• Protective carry case

• Neck strap

• Eyepiece rainguard

• Objective lens covers

(Accessories may vary slightly depending on model.)

Why Buy the Opticron Oregon 4 PC Oasis Binoculars from The Welsh Astronomy Centre?

The Opticron Oregon 4 PC Oasis Binoculars offer premium optical technology, dependable waterproof construction and exceptional value, making them an excellent choice for birdwatching, wildlife observation and outdoor adventures. With four versatile models to choose from, there's an Oregon 4 to suit everything from family walks and travel to serious wildlife observation and handheld astronomy.

At The Welsh Astronomy Centre, we carefully select optics that deliver outstanding performance for both the natural world and the night sky. Whether you're watching birds in the countryside, exploring rugged coastlines or enjoying the Moon and brighter deep-sky objects, our experienced team is here to help you choose the perfect binoculars with expert advice and exceptional customer support.