Binoculars & Telescopes › 21 mm › Lens

Mini 10x42HD binoculars with 42mm lens 21mm eyepiece. Bak4 prism multilayer co... Mini 10x42HD binoculars with 42mm lens 21mm eyepiece. Bak4 prism multilayer coating for clear image. Tripod/phone clip included. 5m close focus ideal for birdwatching concerts. Lightweight portable with case. more

When you want to explore the night sky with flexible magnification a reliable ... When you want to explore the night sky with flexible magnification a reliable zoom eyepiece is essential. The Yajisi 7-21mm Continuous Zoom Telescope Eyepiece delivers the versatility and performance needed to elevate your stargazing experience.... more

Elevate your stargazing experience with the LAZIOEGR Astronomical Telescope 7-... Elevate your stargazing experience with the LAZIOEGR Astronomical Telescope 7-21mm Continuous Zoom Eyepiece[cite: 6]. This premium optical accessory is expertly designed to provide maximum convenience and clarity for amateur and professional... more

Explore the universe like never before with the Suodoka Astronomical Telescope... Explore the universe like never before with the Suodoka Astronomical Telescope 7-21mm Continuous Zoom Eyepiece. This premium eyepiece is designed to elevate your stargazing experience offering a versatile focal range that seamlessly transitions from... more

Discover the hidden wonders of the universe with the Yajisi 1.25 Inch 21mm Tel... Discover the hidden wonders of the universe with the Yajisi 1.25 Inch 21mm Telescope Eyepiece. Engineered for both amateur stargazers and professional astronomers this premium telescope lens features a generous 52-degree wide field of view making... more