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telescopes

William Optics RedCat 51 Refractor with SkyWatcher Star Adventurer 2ii Mount - RC5IIX-S20512

Multiple Vendors   ——   SKU: RC5IIX-S20512
$1,525.00 CAD
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 Want something super portable for travel or grab and go?  This special Khan package includes the amazingly popular William Optics RedCat 51...a telescope, spotting scope and camera lens all in one!  The Sky-Watcher Star Adventurer Professional Package includes the Star Adventurer Multi-Function Equatorial tracking mount, a built in polar scope, a latitude base, counterweight kit and ball head adapter!  

About the William Optics RedCat 51 Telescope

The William Optics RedCat 51 APO Telescope is a high quality Apochromatic Imaging optical telescope with an aperture of 51 mm and a focal length of 250 mm or an f-ratio of f/4.9. No Reducer/Flattener is ever required with this telescope, because of its Petzval optical design. This RedCat 51 APO Telescope can also be used as a super telephoto lens on Full Frame or APS-C cameras and has an interchangable camera mounting.

If you wish to take great astro-images with a high quality APO refractor, this William Optics RedCat 51 APO Telescope is a good way to obtain your goal. Its FPL-53 glass Petzval APO design provides images with extreme sharpness, clear details, great color, with APO grade color correction. And with a very compact, short, light-weight system. The optical design of this telescope is a 4-Element (3 Groups) Petzal system using FPL-53 Synthetic Fluorite glass for extra low dispersion and results in a flat-field, APO corrected telescope and telephoto lens (however, with no internal iris aperture). Also incorporates a 48 mm filter slot in the rotator.

From the outset, the design goal at William Optics was to create the best possible design for an affordable high performance, small, light-weight, and fast apochromatic refractor for astrophotography purposes. This unique optical design also results in an amazing performer for shooting nature and wildlife subjects in the field with your full-frame camera. The result is this William Optics RedCat 51 Petzval APO Telescope, with 51 mm aperture, and exceptional optical performance at a fast f/4.9 focal ratio. William Optics calls this "The World's Sharpest 250 mm Telescope".

Includes an interchangable camera mount, dual spec Mounting Base, field rotator for proper framing adjustments, 48 mm filter slot, modular mounting options, and this little gem of a telescope is small and easy to store or transport anywhere.

Introducing a first innovative feature in the industry: Now this RedCat 51 APO Telescope from William Optics comes standard with a dust cover that has a built-in, clear Bahtinov Mask for perfect focusing every time. Simply remove the flat front cover plate, leaving the dust cover cuff in place on the telescope. Point the telescope at a bright star, and focus carefully. When the bright central diffraction spike looks exactly centered between the other two spikes forming an "X", then your telescope is in exact focus for stars. Remove the dust cover cuff carefully from the objective end of the telescope, and you are ready to image.

About the Skywatcher Star Adventurer 2i Mount

Sky-Watcher Star Adventurer 2i Professional (Pro) Package

  • Star Adventurer - Professional Package
  • Star Adventurer multi-function equatorial tracking mount
  • 11 pound payload capacity
  • Built-in polar scope with illuminator
  • Dec bracket is included
  • 3.63 pound mount head weight (with Dec bracket)
  • Latitude (EQ) base is included
  • Counterweight kit is included
  • Ball head adapter is included

The Sky-Watcher Star Adventurer 2i Pro Mount Package is a user-friendly and multi-function mount which will satisfy all your needs for astronomy, astrophotography, and time-lapse photography. It is a high precision, portable, and stable celestial tracking platform for sidereal, solar, and lunar tracking. This Star Adventurer 2i Pro Package from Sky-Watcher now also includes a built-in WiFi capability. With this WiFi function and its preprogrammed parameters, using a Wifi signal to connect to your smart phone, the Star Adventurer 2i Pro performs long exposures, helping users to create interesting time-lapse videos with your DSLR.

It also has an automatic DSLR shutter release control. Also, it contains preprogrammed parameters which will be useful. This package is intended primarily for photographic use! This mount has a payload capacity of 11 pounds.

This "Professional Package" includes the Star Adventurer mount, polar scope with illuminator, Declination Bracket, Ball head adapter, Latitude (EQ) Base, and a Counterweight Kit.

Note: A camera and tripod are NOT included with this product. The weight of the head is 3.63 lb with the Dec bracket attached. With this complete Pro Package, you are ready to perform serious astro-imaging and/or time-lapse tasks.

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