Under $200

Features 30mm aperture brings in lots of light so you can see more. Compact size and rubberized grip make it easy for young hands to hold and use...

Casual backpack in a classic shape with a flap front design. It is made of a durable oxford fabric. It has two slip interior pockets and one laptop...

Features 30mm aperture brings in lots of light so you can see more. Compact size and rubberized grip make it easy for young hands to hold and use...

S M L XL 2XL Width, in 18 20 22.01 23.98 25.99 Length, in 28.98 29.97 30.99 31.97 33 Sleeve Length, in 8.19 8.59 8.98...

Description Camera specific bayonet adapter (camera ring) for Nikon DSLR with M48x0.75 mm internal thread for astrophotography. By using the large...

Description Camera specific bayonet adapter (camera ring) for Canon EOS DSLR with M48x0.75 mm internal thread for astrophotography. By using the l...

Description Reduction adapter from M48x0.75 to M42x0.75 mm. For connecting T2 camera accessories with the smaller M42x0.75 thread to the larger M4...

Description Five extension tubes from 30 to 5mm length with thread connection M48x0,75mm in a set. For adjusting different distances of the camera...

Features Waterproof BK7 glass for clear, bright and crisp images Fully Multi-Coated Rubber armoring for protection and durability Foldable eye cu...

Features Waterproof BK7 glass for clear, bright and crisp images Fully Multi-Coated Rubber armoring for protection and durability Foldable eye cu...

Features Waterproof BK7 glass for clear, bright and crisp images Fully Multi-Coated Rubber armoring for protection and durability Foldable eye cu...

Features Waterproof BK7 glass for clear, bright and crisp images Fully Multi-Coated Rubber armoring for protection and durability Foldable eye cu...

Features Waterproof BK7 glass for clear, bright and crisp images Fully Multi-Coated Rubber armoring for protection and durability Foldable eye cu...

Features 4x magnification 30 MM Lenses Carry Case Included Description This lightweight 4x30 binocular is made to encourage on-the-go adventur...

Features Magnification: 3X Extra Bright LED Illumination 5 Bright LED Lights Case Included 70MM Diameter Description With its bright LED lig...

Features Magnification: 3X Extra Bright LED Illumination 8 Bright LED Lights Ultraviolet Light Rubber Grip Description With its bright LED lig...

Supplemental 2.2 lb. Counterweight for iEXOS Mounts. Includes locking knob. Note: This is an all-white counterweight rather than the back with sil...

Features Polar finder scope allows imagers to achieve more precise alignment with the celestial pole Reticle includes markings for both northern ...

Features Waterproof BAK4 Optics Long Eye Relief Fully Multi-Coated Lightweight and ergonomic open hinge body design Twist up eye cups Descript...

Features Waterproof BAK4 Optics Long Eye Relief Fully Multi-Coated Lightweight and ergonomic open hinge body design Twist-up eyecups Descripti...

Features Waterproof BAK4 Optics Long Eye Relief Fully Multi-Coated Lightweight and ergonomic open hinge body design Twist up eye cups Descript...

Features Waterproof BAK4 Optics Long Eye Relief Fully Multi-Coated Lightweight and ergonomic open hinge body design Twist-up eyecups Descripti...

Features Waterproof BAK4 Optics Long Eye Relief Fully Multi-Coated Lightweight and ergonomic open hinge body design Twist-up eyecups Descripti...

Features Waterproof BAK4 Optics Long Eye Relief Fully Multi-Coated Lightweight and ergonomic open hinge body design Twist-up eyecups Descripti...

Availability Estimate - 2/15/20 Join our mailing list to be notified when new items arrive Features Waterproof BAK4 Optics Long Eye Relief Fully ...

Availability Estimate - 2/15/20 Join our mailing list to be notified when new items arrive Features Waterproof BAK4 Optics Long Eye Relief Fully ...

Description This adapter replaces the M42x0.75 Adapter for CCD Camera that comes standard with the Explore Scientific 3-inch Field Flattener/0.7x ...

Video Description The Explore Scientific Camera Dovetail Plate is created from high-pressure injection die-cast aluminum for structural integri...

Description With this STEM kit from Explore One, emerging astronomers will learn about the science of optics and the inner workings of a telescope...

Explore Scientific Soil Sensor compatible with WSX Series Weather Stations. Seven channel selectable switch. Frequency: 915 MHz. Resolution: 1-16 ...

Explore Scientific Pool and Spa Temperature Sensor compatible with WSX Series Weather Stations. Floating pool and spa thermometer with LCD display...

Explore Scientific Thermo-Hygrometer Sensor compatible with WSX Series Weather Stations. Outdoor Range: -22 to 140 Degrees Fahrenheit ( lithium Ba...

2015 Springer; Patrick Moore's Practical Astronomy Series; 279 Pages; Softcover, ISBN 978-3-319-21905-9 “Remote Observatories for Amateur Astronome...