Under $200

Features 80mm aperture will reveal impressive lunar details ranging from craters to rilles, planetary features like Saturn’s ring structure or Ju...

Description Extension tube This Extension tube converts 42mm T-thread to 43mm thread. Specs Thread Diameter 42mmT (p=0.75) 43mm (p=1) O...

Features Very high sharpness and contrast across the entire field of view Almost no color defects due to lanthanum glass Twist-Up eyecup for peop...

Features High-quality NPL eyepiece with 40° field of vision Good contrast and reduced color aberrations Eye relief: 36 mm Connection: 31.7 mm, 1 ...

FREE Explore One 30mm Compact Binoculars, when purchasing an Explore Science STEM product. To activate this promotion, add both items to your cart ...

Description Get to know fascinating sights in our solar system and beyond with the National Geographic 70mm refractor telescope. This telescope's...

FREE Explore One 30mm Compact Binoculars, when purchasing an Explore Science STEM product. To activate this promotion, add both items to your cart ...

For *participants of the 2022 Mount Wilson Observatory Star Party and The Huntington Library, there is an Estate Group Tour option for a 90-minut...

Features Subject Tracking Built-in Auto Tracking Camera No App Required 360° Spin Rotation Water Resistant Tripod Adaptable Rechargeable Battery ...

This free document prepared by Dr. Daniel Barth outlines an eclipse observation activity focusing on safety and proper methods. It encourages using...

Description Attaching a DSLR camera or other instruments to the AP mount The dovetail slide bar PG is used to attach a DSLR camera or other instr...

Description 5600mAh lithium battery, only compatible with DWARF II telescope. One full charge can provide 3 to 4 hours of working for DWARF II. Pl...

Description The UHC filter can reduce the negative impact of artificial lights and airglow when shooting deep sky objects. Just install the filter...

Essential for Time-Lapse Photography Specs Connecting to the POLARIE U 2.5mm stereo mini plug Connecting to the camera 10-pin remote term...

Essential for Time-Lapse Photography Specs Connecting to the POLARIE U 2.5mm stereo mini plug Connecting to the camera 2.5mm stereo mini ...

Description Possible to change the diameter SUsing this eyepiece adapter, you can convert from 42mm male T-thread to 31.7mm (1.25 inch). Thereby,...

Features Very high sharpness and contrast across the entire field of view Almost no color defects due to lanthanum glass Twist-Up eyecup for peop...

Features Rock tumbler mimics natural weathering process to turn rough-edged rocks into smooth shiny stones with intriguing colors and patterns. J...

Features Observing the stars like a good astronomer is very easy with the refractor 70/700 Callisto telescope Includes telescope, mount, tripod, ...

Description Water resistant rubber heater. Reduce night dew on objective lens or main mirror. Specs Length 665mm Weight 320g Length of...

Essential for Time-Lapse Photography Specs Connecting to the POLARIE U 2.5mm stereo mini plug Connecting to the camera Multi/micro USB te...

Description For mounting optical tubes onto SX, GP2 series mounts Fits the mount head of AXD or SXP directly. Fits New Atlux equatorial mount by u...

Description For DD-2 controller, Dew Heater 2, Color CCD Camera C0014-3M. Specs Dimensions 140x80x80mm Plug ID 2.1mm OD 5.5mm DC plug with cen...

Galileoscope Refractor Telescope STEM Kit - Click Here Features Lightweight Includes a sun shade Stronger than any other solar filter film on the...

This is a hands-on guide for both the budding astronomer in need of a mentor and the seasoned observer who wants to learn how to effectively share ...

Description Keep out stray and unwanted light from your 20" Truss Tube Dobsonian telescope with a lightweight light shroud. Keeping the path dark ...

Features Lightweight tripod easily converts from tabletop to full-size model Mount design provides a secure fit for steady viewing during long ob...

Description This device replaces the barrel on the Explore Scientific 99% Reflective 3-inch Diagonal so the diagonal can be used on 2-inch focuser...