Wednesday, May 3, 2017

Great Telescope Celestron 21045 Powerseeker 114EQ

Celestron 21045 Powerseeker 114EQ Reflector Telescope

Buy your PowerSeeker and Start Scanning the Night-Sky Wonders Yourself! The night sky intrigues both child and adult with its beauty and mystery. It's only natural to want to take a closer look. Share this fascination with the family or feed your own need to explore with this high-quality, economical scope. The PowerSeekers come with a full range of eyepieces plus a 3x Barlow lens, allowing an increase in viewing power hundreds of times greater than that of an unaided eye! A great choice for children and families.

The PowerSeeker 114EQ yields breathtaking views of the moon, Saturn with its ring structure, Jupiter and its belts, and hundreds of deep-sky objects including: galaxies, nebulae and star clusters. Add an optional solar filter and you can observe activity on the sun. Strict adherence to Celestron's tough quality standards for manufacturing, assembly and testing ensures that each telescope performs well.
Features:
  • Quick and easy no-tool setup
  • Slow motion controls for smooth tracking
  • Erect image optics - Ideal for terrestrial and astronomical use
  • Fully coated glass optical components with high transmission coatings for enhanced image brightness and clarity
  • 3x Barlow lens triples the magnifying power of each eyepiece
  • Accessory tray for convenient storage of accessories

Specs:
Optical DesignNewtonian Reflector
Aperture (mm)114 mm (4.49 in)
Focal Length (mm)900 mm (35 in)
Focal Ratio7.89
Eyepiece 1 (mm)20 mm (0.79 in)
Magnification 145 x
Eyepiece 2 (mm)4 mm (0.16 in)
Magnification 2225 x
Barlow Lens3 x
Finderscope5x24
MountGerman Equatorial
Accessory TrayNo-Tool Tray with Eyepiece holder
TripodAluminum
Weight (lbs)19 lbs (8.62 kg)
Highest Useful Magnification269 x
Lowest Useful Magnification16 x
Limiting Stellar Magnitude12.8
Resolution (Rayleigh)1.22 arc seconds
Resolution (Dawes)1.02 arc seconds
Photographic Resolution253 line/mm
Light Gathering Power (Compared to human eye)265 x
Angular Field of View (deg)0.9
Linear Field of View (@1000 yds)48 ft (15 m)
Secondary Mirror Obstruction1 in (25 mm)
Secondary Mirror Obstruction by Diameter22 %
Secondary Mirror Obstruction by Area4.96 %
Optical CoatingsAluminum
Optical Tube Length34 in (864 mm)


About the Author

Nguyễn Thành Bôn

Author & Editor

William Cooper, agnostic astronomer, author of Angel and the Astronomers ...The reason why many people do not believe in God is not so much that it is intellectually impossible to believe in God, but because ... “The Bible is like a telescope.“

Post a Comment

 
FireStar Telescopes & Binoculars © 2017 | FireStar Telescopes | Designed By FireStar Telescopes | FireStar Telescopes