Explore Scientific Guardians sales

Explore the Night — Save Up to $400 on Explore Scientific Waterproof Eyepieces

This offer is only valid while Explore Scientific and Ontario Telescope still have stock! Once Explore Scientific’s shelves are empty, the discount is gone. Lock in your sale price now—backorders are included while supplies last.*

For astronomers who demand more from their gear, the Explore Scientific Waterproof Eyepiece Sale delivers unmatched performance and value. Each eyepiece is nitrogen-purged, O-ring sealed, and waterproof, ensuring flawless performance in any observing condition — from dew-soaked fields to frosty winter skies.

These eyepieces are engineered for endurance, delivering crisp, high-contrast views across ultra-wide fields of view, from the 82° Series to the 100° and 120° lines. Whether you’re hunting deep-sky objects or tracing lunar detail, Explore Scientific eyepieces let you experience the universe in breathtaking clarity.

Every eyepiece includes a unique serial number and lifetime protection through the Explore Alliance, featuring unlimited, transferrable, no-fault coverage. It’s a level of trust and craftsmanship few brands can match.

Now through this limited-time event, save up to $400 on select Explore Scientific waterproof eyepieces — including the legendary 82° 30mm model. Don’t wait — these deals are available only while supplies last.

Built to endure. Protected for life. On sale now at Ontario Telescope.

*If a backorder cannot be filled becasue  stock is sold out at Explore Scientific your order will be canceled and voided with not charge to your payment method.