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Questions & Answers
can you buy a new eye relief part for these? Expert Answer

Unfortunately we do not have any parts for these binoculars at this time. We recommend contacting the manufacturer directly, they should be able to provide you with parts. You can reach them here: https://us.ricoh-imaging.com/contact-ricoh-imaging/

by Ethan C., Gear Expert, November 13, 2019
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Product Info for Pentax U-Series Compact UP 8-16x21 Binocular

Pentax U-Series Porro-Prism UP 8-16x21 Compact Binoculars feature fully multi-coated optics and aspherical lens elements for excellent light transmission and undistorted images from edge to edge. Uni-body construction means fewer moving parts to repair or replace on these economical Binoculars from Pentax. With Pentax U-Series Compact Durable Porro-Prism UP 8-16x21 Binoculars, even distant images will seem close enough to touch. Compact, durable and economical Pentax U-Series Compact Porro-Prism UP 8-16x21 Field Binoculars will last a lifetime.image

Specifications for Pentax U-Series Compact UP 8-16x21 Binocular:

Manufacturer: Pentax
Magnification: 8 - 16 x
Objective Lens Diameter: 21 mm
Prism System: Porro
Prism Material: BAK4
Eye Relief: 14 - 11 mm
Exit Pupil: 2.6 - 1.3 mm
Field of View, Linear: 26.5 m at 1000 m
Field of View, Angle: 3 - 5 degrees
Optical Coating: Fully-Multi Coated
Binoculars Focus System: Center Focus
Twilight Factor: 6.6 - 1.7
Interpupillary Distance: 57 - 72 mm
Close Focus: 9.8 ft
Diopter Adjustment Range: -4 - 4 dpt
Length: 4.4 in
Weight: 10.9 oz
Condition: New
Package Type: Box
Additional Features: Compact Binocular
Included Accessories: Neck Strap, Case, Eyepiece lens caps
Magnification Type: Variable

Features of Pentax U-Series Compact UP 8-16x21 Binocular

  • New fully multi-coated optics
  • Inverted porro prism design
  • Aspherical lens elements providing edge-to-edge sharpness
  • High Quality BaK4 prism to enhance transmission and resolution
  • Dual-axis, single body design with synchronized eye-piece IPD adjustment
  • Black rubber armouring
  • Pull-up eyecups
  • Centrally-located lockable diopter adjustment

Package Contents:

  • Pentax U-Series Compact UP 8-16x21 Binocular

Pentax U-Series Compact UP 8-16x21 Binocular Orderable Models

List of Orderable Models

  • Pentax U-Series Compact Porro-Prism UP 8-16x21 Binocular, Black, 61961 , MPN: 61961 , UPC: 027075288881 , Code: PX-BI-USC16-61961
  • Pentax U-Series Compact Porro-Prism UP 8-16x21 Binocular, Limited Availability, Brown, 61962 , MPN: 61962 , UPC: 027075288898 , Code: PX-BI-USC16-61962

Pentax U-Series Compact UP 8-16x21 Binocular Unavailable & Discontinued Models

List of Unorderable Models

  • Pentax U-Series Compact Porro-Prism UP 8-16x21 Binocular, Green, 61963 , MPN: 61963 , UPC: 027075288904 , Code: PX-BI-USC16-61963
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