Binoculars & Telescopes › 21 mm

Pentax VM 6 X 21mm WP Premium Monocular Kit w/Smartphone and Micro Adapters Bl... Pentax VM 6 X 21mm WP Premium Monocular Kit w/Smartphone and Micro Adapters Black Medium 63621. Its seesaw-type focus adjustment mechanism assures easy focusing operation by the holding hand allowing the user to observe a subject with one hand while... more

When knowing distance is critical to what you do whether that’s outdoor adve... When knowing distance is critical to what you do whether that’s outdoor adventures forestry construction utility work or surveying you need a rangefinder that’s fast accurate and durable. Meet the LASER 50 a multipurpose rangefinder that quickly... 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

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

An all-metal chassis is the new PowerView 2’s foundation and it’s never be... An all-metal chassis is the new PowerView 2’s foundation and it’s never before been offered at this price. The all-metal chassis ensures ruggedness and durability in the harshest elements meaning the chassis won’t crack in the extreme cold of... 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

Features: Continuous zoom lens convenient to use. Rustproof anti-corrosion and... Features: Continuous zoom lens convenient to use. Rustproof anti-corrosion and anti-oxidant. High quality aluminum alloy material durable in use. Suitable for any telescope that accepts 1.25 eyepieces. Zooms to any focal length between 7mm and 21mm... 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

Features: Continuous zoom lens convenient to use. Rustproof anti-corrosion and... Features: Continuous zoom lens convenient to use. Rustproof anti-corrosion and anti-oxidant. High quality aluminum alloy material durable in use. Suitable for any telescope that accepts 1.25 eyepieces. Zooms to any focal length between 7mm and 21mm... more

SV135 7 mm to 21mm adjustable focal length;SV135 7-21mm zoom eyepiece equivale... SV135 7 mm to 21mm adjustable focal length;SV135 7-21mm zoom eyepiece equivalent to multiple eyepieces ;obtain higher magnification with short focal length;It could bring you a better observation experience in a comfortable situation with... more

This SV233 12 piece accessory kit can enhance the performance of your telescop... This SV233 12 piece accessory kit can enhance the performance of your telescope; It includes two high-quality 1.25�astronomical eyepieces; a high-performance 7-21mm zoom eyepiece; a 3.2mm 58° ultra-wide-angle planetarium eyepiece; a 2x Barlow... more