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Pentax Jupiter Iii Clam Pack 8x21 Binoc / Mfr. no.: KB61393

Pentax Jupiter Iii Clam Pack 8x21 Binoc / Mfr. no.: KB61393
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Item Number: pen-kb61393
Vendor Number: KB61393
Vendor: Pentax - Ricoh Imaging
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Weighing only 6.2 ounces, the feather-light PENTAX 8x20 MCF II Jupiter binocular is ideal for casual use and comes standard with premium PENTAX features. Whether attending a sporting event, traveling, or hiking, this binocular provides great optics at an affordable price.

General Information

ManufacturerRicoh Imaging Company, Ltd.
Manufacturer Part NumberKB61393
Manufacturer Website Address
Product SeriesMCF Jupiter II
Product ModelJupiter
Product NameMCF Jupiter II 8x20 Binoculars
Product TypeBinocular

Technical Information

Maximum Magnification8x
Objective Diameter20 mm
Maximum Angular Field of View (Real)
Maximum Angular Field of View (Apparent)50°
Maximum Field of View @ 1000 yd324 ft
Maximum Exit Pupil2.50 mm
Relative Brightness6.3
Maximum Eye Relief10 mm
Prism DesignPorro
Prism TypeBaK4

Physical Characteristics

ColorSilver Black
Weight (Approximate)6.20 oz


Package Contents
  • Compact MCF Jupiter II 8x20 Binoculars
  • Eyepiece Lens Cap
  • Case
  • Strap
Additional Information

Lens Construction:

  • Objective Lens: 2 Elements in 1 Group
  • Eyepiece Lens: 3 Elements in 2 Groups


  • Diopter Adjustment Range: +/- 3 m-1
  • Eye Width Adjustment Range: 2.2 to 2.8"
  • Focusing Range: 9.8ft to Infinity
  • Eyepiece Ring: Rubber Type


Limited WarrantyLifetime