BK 1021EQ3, w/aluminum tripod
Product Features
  • Diameter/Aperture: 102mm

  • Focal Length: 1000mm

  • Multi-coated achromatic objective lens

  • Aluminum tube

  • Dew cap/Sunshade

  • Adjustable Objective lens Cell

  • 6x30 finderscope for easy location of objects

  • Smooth rack-and-pinion 2" focuser with a 1.25" adapter, accepting both 1.25" and 2" eyepieces

  • 28% more light gathering power than 90mm, 112% more than 70mm

  • Ideal for high-power study of the moon and planets

  • Pre-assembled tripod for convenient and quick assembly

Optical Design Achromatic Refractor 
Optical Diameter 102mm 
Focal Length 1000mm 
F/Ratio F/9.8 
Highest Practical Power 204x 
Faintest Steller Magnitude 12.7 
Finder Scope 6x30* 
Focuser Diameter 2" with 1.25 adapter 
Diagnol 2" 90 deg. Diagonal with 1.25" adapter 
Eyepieces 1.25" Super 25 and 10* 
Tube Weight 3.48 Kgs 
Tube Dimensions 10cm x 94.3cm 
Shipping Weight 8+15 Kg 
Shipping Dimensions 139x23x27 cm3; 87x43x25 cm3