Pegasus Astro M54 Male to M54 Male Adapter - PEG-ADAPT-M54M-M54M

• Adapter Thickness: 2.0mm
• Thread: Pitch 0.75mm / 4 mm length

This pocket-sized device is an all-around astronomer/astro-photographer companion.
Smaller than the size of a cigarette box, and equipped with a variety of digital sensors, can precisely report the ambient temperature, humidity, pressure, cloud height, cloud coverage, astronomical daw, twilight time, and the night sky brightness.

Uranus Meteo Station is housed in high quality, blue aluminum anodized shell.

SPIDER 300A MarkII is the most advanced 3 meter diameter radio telescope for 1420 MHz radio astronomy designed to let schools, universities, scientific museums and other educational institutes own a powerful and affordable instrument! Designed with advanced features usually found only in large professional radio telescopes, and by including all you need to make radio astronomy, SPIDER 300A MarkII is reliable, easy to install and use.

Thanks to the new generation electronics and improved mechanics, SPIDER 300A MarkII is more sensitive, faster and more precise, thus allowing anyone to do real radio astronomy without the need to be a radio astronomer!

SPIDER 500A MarkII is the 5 meter diameter radio telescope designed to make 1420 MHz professional level radio astronomy accessible to everyone: universities, science institutes and museums or space agencies. It offers a large 5 meter diameter antenna to detect weaker signals with a better resolution and the large GS-400II tracking system that provides very high pointing and tracking precision. SPIDER 500A MarkII is designed to be shipped and installed all over the world!

Thanks to the new generation electronics and improved mechanics, SPIDER 500A MarkII is more sensitive, faster and more precise, thus allowing anyone to do real radio astronomy without the need to be a radio astronomer!

• Anti-dew heater to eliminate condensation and ice buildup
• Anti-amp glow circuit to reduce long exposure amp glow
• 128 MB DDR memory to speed up download times

SM201 binocular compound lab microscope with 40-2500x magnification has phone adapter, so you can record and share the moment. After mounting the phone holder, you can see the image from phone's camera, and also you can further magnify the image or take pictures and videos directly. It is an ideal teaching instrument for students.Children can be encouraged to learn in Science Explorer and find answers by themselves. It is also an great choice for laboratory to conduct an experiment.

It can meet your photography needs ; and it can also connect to computer with SV189 microscope camera.

Features

1. 2 power supply methods; 
2. Achromatic objective lens; 
3. With mobile phone adapter; 
4. 40-2500X magnification; 
5. LED light; 
6. Professional binocular head; 
7. layer mechanical stage; 
8. All metal body; 
9. NA1.25 Abbe condenser; 
10. 30°tilt and  360°rotation; 
11. Dual focusing knob.

SM403 Forward-Mounted Binocular Stereo Microscope has vertical arm bracket; which reduces the pressure on the cervical spine, 3 magnification settings. LED dual light source design and the brightness is adjustable. It is an ideal choice for circuit board welding, watch repair and seed quality testing.

Features

1. Vertical arm bracket
2. 20X; 40X; and 80X magnification
3. LED dual light source
4. Dual power system & dual stage
5. Aluminum alloy body
6. 45°tilt and 360 rotation
7. WF10X，WF20X eyepiece
8. Rack and pinion stand
9. Wide range of applications

• Compatible with mainstream auto guiding cameras; 1.25in and M42 mount interface designed for compatible with SV305 Pro and for Orion ZWO QHY and so on auto guiding cameras(Some camera models require additional accessories to assist in focusing)
• Sharp image; Ultra wide band fully multilayer coated lens; double glass and the 30mm achromatic optics prevent irritating reflections can bring you bright and clear images
• 45mm back focus distance; Allows easy and precise focus adjustments and f4 aperture optics provides a very wide field of view which will help to quickly find the target when performing astronomical observations
• Nylon-tipped thumbscrews; Comes with the mounting rings with plastic tipped screws as not to scratch the scope tube and it can be moved to any position
• Quality craftsmanship; By using high-level CNC metal processing technology; SV165 guide scope has exquisite appearance; delicate feel and beautiful shape; fine workmanship bringing you visual enjoyment

Montessori Solar System Toys Astronomy Teaching Educational Game Wooden Preschool For Kids 3-6 Years Toys ChildrenGE080

SkyGuider^TM Pro Camera Mount Full Package

Sky-Watcher 0.85x Focal Reducer/Flattener for EvoStar 72ED f/5.8 Refractor Guidescope

• Compatible with both APS-C and full frame sensors, APS-C (crop sensors) and smaller recommended
• 55mm back focus
• Drops f/ratio from native f/5.8 (420mm) to f/4.93 (355mm)
• Reduces exposure time by 38% compared to native f/5.8
• 5.8 x 3.87-degree field of view when used with a full frame camera
• 3.79 x 2.53-degree field of view when used with APS-C crop sensor 
• Includes thread-on adapter to mount reducer to Evostar 72ED focuser

• For Astrophotography/Astroimaging
• Virtually Eliminate Spherical Aberration
• Shortens Focal Ratio from f/5.8 to f/4.9
• Reduces Exposure Times by 38%
• Use with APS-C and Full Frame Cameras
• 55mm Back Focus

• Massive 77-pound payload capacity supports large OTAs plus guiders, filters, cameras, and more 
• Observatory class equatorial GoTo mount with built-in USB PC control 
• Belt drives provide minimal backlash and significantly reduced periodic error while remaining whisper quiet 
• Stepper motors have no internal gear box, further reducing backlash 
• SNAP port eliminates the need for remote shutter release cable 
• Autoguide port compatible with most of today’s best autoguiders 
• D/V saddle plate to handle a wide variety of OTAs 
• 42,000+ object data base  
• Heavy duty steel tripod for rock-solid performance 
• DC power cord included 
• Two 22-pound counterweights
• Sidereal, solar and lunar tracking modes
•  

Features an Ohara ED doublet objective that includes an S-FPL53 ED glass element. 

242 mm focal length results in a fast f/4.8 focal-ratio.

Precise non-rotating helical focuser for fine focus adjustment. 

Has both a T2 thread and 1.25” socket so connecting your autoguider, camera or eyepiece is easy. 

Alignment rings are provided, each with 3 nylon-tipped screws.

The bracket's finderscope mounting foot is a regular Sky-Watcher / Celestron / Vixen-style mini dovetail so fits into most finderscope shoes. The Vixen-style 45 dovetail bar features a 1/4-20 thread for tripod mounting.

An optically-matched M48-fitting doublet field flattener for Sky-Watcher's Esprit 120 ED PRO triplet refractor. 

The M48 fitting provides a large clear aperture to reduce halation and a precision thread ensures the triplet and doublet lens groups are precisely aligned on the optical axis perpendicular to the image. 

When used with the field flattener the Esprit-120 ED PRO's imaging circle is 44mm.