What is the difference between nearsighted and farsighted lenses?

Nearsighted lenses have a negative SPH value and correct distance vision. Farsighted lenses have a positive SPH value and correct close-up vision.

How do I find the sphere (SPH) value on my prescription?

The SPH value is usually in the first column of your prescription. A negative number indicates nearsightedness, while a positive number indicates farsightedness.

How Should I Adjust My Prescription for Clear Vision Underwater?

Select a lens strength 0.50 to 0.75 diopters weaker than your regular prescription to compensate for underwater magnification.

Can I choose a lens strength that isn’t listed in the dropdown?

If your exact strength isn’t available, pick a lens 0.50 to 0.75 diopters weaker than your prescription to maintain clear vision underwater.

Can I choose different lens strengths for each eye?

Yes, you can select different strengths for each eye if they are available in the dropdown.

How do I upload my prescription during checkout?

You don't need to upload it. Contact us via chat or email if you require specific strengths or assistance.

What happens if I accidentally choose the wrong lens strength?

Contact customer support immediately. We may be able to correct the order depending on its processing stage.

Are your lenses safe for both snorkeling and scuba diving?

Yes, all lenses are certified HD Tempered glass and safe for snorkeling and scuba diving up to 100ft.

How long does it take to receive lenses, and can I track my order?

Orders usually take 7-14 days to process. A tracking number will be provided via email upon shipment.

What is your return or exchange policy for prescription lenses?

You have 30 days from delivery to return your mask. For full details, visit our returns policy on the Oceans Optics website.

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XViz Underwater Diving Compass

Name: XViz Underwater Diving Compass
Brand: Oceans Optics
SKU: 1005006015630880-Grey
Price: 32.0 GBP
Availability: InStock

XViz Underwater Diving Compass

Quantity

£32.00 GBP

~~£40.00 GBP~~ £32.00 GBP

SALE Sold out

Free Delivery

Product Description

Underwater Luminous Diving Compass: Your Essential Navigation Tool

Built for precision and reliability, this Underwater Luminous Diving Compass is trusted by dive schools and professionals alike. With an easy-to-read display and a reinforced wrist strap, it’s perfect for any underwater adventure.

Compact, durable, and easy to use, this compass is ideal for divers of all levels. Dive with confidence and explore with ease!

Product Features

Clear, Luminous Display: Large, glow-in-the-dark numbers for easy reading in low light.

Side View Window: Ensures accurate navigation at any angle.

360° Ratcheting Bezel: Smooth and secure for precise waypoint marking.

Reinforced Wrist Strap: Adjustable and comfortable for all-day use.

Durable and Reliable: Built to handle depths up to 50 meters and a wide range of temperatures (-5°C to 55°C).

Free Shipping

Please allow 5-18 Days for us to get the product ready and get it to you. We want it to be perfect.

30 Day Easy Returns

Take advantage of our 30 days from delivery easy return policy—shop with confidence. See our full return policy for more info

Free E-guide with every purchase

Snorkelling 101: Your Ultimate Guide to Better Aquatic Adventures

Now free with every order! Access your eGuide instantly after checkout or via email, and dive in at your own leisure.

View full details

Let customers speak for us

from 856 reviews

I liked it quite a bit. Ideal for the pool in winter.

Lane Bruen

Large Poncho Beach Towel Swimming & Snorkeling

11/23/2024

Very soft and good

Austen Moen

Large Poncho Beach Towel Swimming & Snorkeling

11/22/2024

I arrived on time and very good quality

Rosalind Brakus

Large Poncho Beach Towel Swimming & Snorkeling

11/10/2024

value for for money

Duane Block

2L Dry Bag Touch Screen Waterproof Bags

10/30/2024

Good size and length also as described

Era Lemke

Large Poncho Beach Towel Swimming & Snorkeling

10/26/2024

Excellent, great quality. Inside transparent pocket for mobile phone is sealable for added protection. Good size, robust. Quick delivery.

Tanya Deckow

2L Dry Bag Touch Screen Waterproof Bags

10/12/2024

Super! Perfect for beach, pool and standup paddle.

Magali Gerhold

2L Dry Bag Touch Screen Waterproof Bags

10/12/2024

very nice product

Fritz Gutmann

2L Dry Bag Touch Screen Waterproof Bags

10/09/2024

Goods match the description I recommend

Lue Vandervort

2L Dry Bag Touch Screen Waterproof Bags

10/08/2024

great bag. Good quality and fully waterproof. not so big, but big enough to keep wallet, powerbank, mobile etc

Jannie Stark

2L Dry Bag Touch Screen Waterproof Bags

09/30/2024

Excellent mask, great clarity from the lens.

Jaycee Wuckert

Rx Obsidian Prescription Snorkel/Dive Mask_Medium

09/26/2024

I don't have words, it's just awesome. I can see perfectly well. The order arrived very quickly.

Zella Bradtke

Rx Obsidian Prescription Diving Mask-Medium

09/20/2024

Very good quality for fantastic price, for people with my -7 it’s impossible to dive in to the water but thanks to it I can

Morton Powlowski

Rx Obsidian Prescription Snorkel/Dive Mask_Medium

09/07/2024

Good quality and correction ok!
Fast delivery.
Top :-)

Evert Hartmann

The RX Obsidian Nearsighted Mask for Snorkeling - Clear

09/05/2024

Good quality and correction ok!
Fast delivery.
Top :-)

Dorian Yost

The RX Obsidian Prescription mask for Scuba & Snorkeling

09/05/2024

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XViz Underwater Diving Compass

XViz Underwater Diving Compass

Product Description

Underwater Luminous Diving Compass: Your Essential Navigation Tool

Built for precision and reliability, this Underwater Luminous Diving Compass is trusted by dive schools and professionals alike. With an easy-to-read display and a reinforced wrist strap, it’s perfect for any underwater adventure.

Compact, durable, and easy to use, this compass is ideal for divers of all levels. Dive with confidence and explore with ease!

Product Features

Clear, Luminous Display: Large, glow-in-the-dark numbers for easy reading in low light.

Side View Window: Ensures accurate navigation at any angle.

360° Ratcheting Bezel: Smooth and secure for precise waypoint marking.

Reinforced Wrist Strap: Adjustable and comfortable for all-day use.

Durable and Reliable: Built to handle depths up to 50 meters and a wide range of temperatures (-5°C to 55°C).

Free Shipping

Please allow 5-18 Days for us to get the product ready and get it to you. We want it to be perfect.

30 Day Easy Returns

Take advantage of our 30 days from delivery easy return policy—shop with confidence. See our full return policy for more info

Free E-guide with every purchase

Snorkelling 101: Your Ultimate Guide to Better Aquatic AdventuresNow free with every order! Access your eGuide instantly after checkout or via email, and dive in at your own leisure.

Let customers speak for us

Other styles you may love..

Frequently Asked Questions

Snorkelling 101: Your Ultimate Guide to Better Aquatic Adventures

Now free with every order! Access your eGuide instantly after checkout or via email, and dive in at your own leisure.