Binoculars & Telescopes › 21 mm

Description: Gives the widest viewing field along with extra sharpness and lon... Description: Gives the widest viewing field along with extra sharpness and long eye . Low astigmatism spherical aberration and color. Focal length of 7 to 21 millimeters allows for expanded magnification options. Folds down for the convenience of... more

Description: Gives the widest viewing field along with extra sharpness and lon... Description: Gives the widest viewing field along with extra sharpness and long eye . Low astigmatism spherical aberration and color. Focal length of 7 to 21 millimeters allows for expanded magnification options. Folds down for the convenience of... more

Rugged and versatile Bushnell Powerview 2 Binoculars combine a tough design wi... Rugged and versatile Bushnell Powerview 2 Binoculars combine a tough design with modern styling allowing them to excel in both indoor and outdoor applications. The lightweight aluminum-alloy chassis and rubber armor are durably constructed for... more

These Barska 10 x 21mm Blueline Mini Porro Compact Binoculars are ideal for hu... These Barska 10 x 21mm Blueline Mini Porro Compact Binoculars are ideal for hunters and sporting event spectators. They feature ruby lenses with multi-coated optics. These Barska binoculars reduce glare for bright and clear views. They have a design... more

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

HUTACT Binoculars for Kids 8x Binoculars for Adults Child Beginner 21 mm FMC P... HUTACT Binoculars for Kids 8x Binoculars for Adults Child Beginner 21 mm FMC Porro Small Pocket Binoculars for Outdoors Bird Watching Sports Event Concert Camping The Little Binoculars are perfect for young explorers. With an 8x magnification and a... 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

KONUS 2007 Konus Basic 2007 8x21 Binocular - 8x 21 mm Objective Diameter - Roo... KONUS 2007 Konus Basic 2007 8x21 Binocular - 8x 21 mm Objective Diameter - Roof more

Feature: 1. Full multilayer coating eyepiece can zoom to any distance between ... Feature: 1. Full multilayer coating eyepiece can zoom to any distance between 7mm to 21mm choosing best magnification for your subject. 2. Fine workmanship suitable for 1.25 inch /31.7mm astronomical telescope. 3. For viewing moon planets nebulae... more

Wzmzjy 7-21mm Continuous Zoom Eyepiece Versatile for 1.25 Telescope Viewing Mo... Wzmzjy 7-21mm Continuous Zoom Eyepiece Versatile for 1.25 Telescope Viewing Moon Nebulae Star Clusters.Low astigmatism spherical aberration and color.A great gift for skywatcherGives the widest viewing field along with extra sharpness and long eye... 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