Astronomy

Whether you’re looking to delve into the details of our solar system or explore inspiring deep sky treasures, the versatile First...

Whether you’re looking to delve into the details of our solar system or explore inspiring deep sky treasures, the versatile FirstLi...

The spotting scopes of the BRESSER Spektar series feature compact dimensions and a specially designed quick-focus system. These features make them ...

ALPEN’s high-performance Shasta Ridge binoculars are fully waterproof, fully multi-coated, have long eye relief, and feature BAK4 optics that allow...

ALPEN’s high-performance Shasta Ridge binoculars are fully waterproof, fully multi-coated, have long eye relief, and feature BAK4 optics that allow...

These eyepieces with their huge apparent field of view not only gave the observer a panoramic visual experience, ...

Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 100° Series eyepieces are hyper-wide...

Voted Sky & Telescope Hot Product for 2017! Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore S...

Voted Sky & Telescope Hot Product for 2017! Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Sci...

“I just recently purchased my first E.S. telescope after owning a couple fantastic E.S. eyepieces. I have the 6.7mm &...

The 24mm 82° Series Waterproof Argon-Purged Eyepiece is a popular focal length in the upper-medium power magnification clas...

With its particularly long eye relief of 15.9mm, the 4.5mm LER ocular from Explore Scientific’s 82° Series of Argon-Purged ...

With its particularly long eye relief of 15.9mm, the 4.5mm LER ocular from Explore Scientific’s 82° Series of Argon-Purged ...

Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multi...

Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multi...

Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multi...

Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multila...

Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent fl...

Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent flat...

Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent flat-f...

Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent flat-fie...

Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent flat-field...

The longest focal length in the 52° Series with the longest eye relief, the 40mm is also the only 2.0-inch O.D. eyepiece in this series. ...

Loved by deep sky observers, a 30mm focal length eyepiece produces a large exit pupil which floods your dilated eye with light, which is ne...