Product Description

Pentax 8x25 UP WP Compact Binocular - 61931 employs an innovative unibody design that locks the objective lenses into the body with the eyepieces set on a synchronized dual-axis mechanism that ensures they stay symmetrical in relation to the centre axis of the optic when adjusting the interpupillary distance. The 25mm objective lenses are fully multicoated to reduce reflection and maximize light transmission to produce the brightest images possible. Aspherical lens elements virtually eliminate distortion, especially around the edges, and corrects for lens astigmatism which can prevent sharp focusing.

Designed for easy carrying and stowing, the binocular features a lightweight fibreglass-reinforced polycarbonate housing that is corrosion and impact resistant. The housing material is also temperature-resistant allowing for its use in extreme climates while reducing expansion and contraction wide temperature variations can cause, which can make the optical components move out of collimation over time.

Its optical tubes are nitrogen-filled and O-ring sealed so they can are submersible to 3.3', as well as fogproof in all weather conditions.


Key Features of the Pentax 8x25 UP WP Compact Binocular - 61931

Optical Performance

  • 8x magnification
  • 25mm objective lenses
  • BAK4 Porro-prism optical design.
  • Aspherical lens elements reduce distortion at the edges and correct for lens astigmatism which can prevent sharp focusing.
  • Anti-reflection fully multi-coated optics.
  • 325.5' field of view at 1000 yards.
  • 50° angle of view

Use and Handling

  • Dual-axis synchronized eyepiece adjustment ensures symmetrical placement when changing interpupillary distances.
  • Knurled centre focus wheel.
  • Twist-up eyecups for use with or without eyewear.
  • 15mm eye relief, 3.1mm exit pupil
  • Standard 1/4"-20 tripod mount

Construction Details

  • Lightweight fibreglass-reinforced polycarbonate housing.
  • Housing is corrosion, temperature and impact-resistant.
  • Nitrogen-filled for fogproof performance, submersible to 3.3' (1m).
  • Rubberized armouring protects against impacts and provides a slip-resistant grip.
  • Inner focusing mechanism provides smooth focus while preserving waterproof seals.

  • MPN - 61931
  • GTIN - 8809298883188
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Samyang 24mm T1.5 VDSLR II - Canon EOS Full Frame

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SKU
113830
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$1,139.00
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$1,139.00
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Product Overview

  • Glass aspherical lens (ASP)
  • Extra low dispersion lens (ED)
  • Ultra Multi Coating (UMC) of Samyang Optics
  • Uncoupled aperture and focus gear ring
  • VDSLR II CINE LENS
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Pentax 8x25 UP WP Compact Binocular - 61931 employs an innovative unibody design that locks the objective lenses into the body with the eyepieces set on a synchronized dual-axis mechanism that ensures they stay symmetrical in relation to the centre axis of the optic when adjusting the interpupillary distance. The 25mm objective lenses are fully multicoated to reduce reflection and maximize light transmission to produce the brightest images possible. Aspherical lens elements virtually eliminate distortion, especially around the edges, and corrects for lens astigmatism which can prevent sharp focusing.

Designed for easy carrying and stowing, the binocular features a lightweight fibreglass-reinforced polycarbonate housing that is corrosion and impact resistant. The housing material is also temperature-resistant allowing for its use in extreme climates while reducing expansion and contraction wide temperature variations can cause, which can make the optical components move out of collimation over time.

Its optical tubes are nitrogen-filled and O-ring sealed so they can are submersible to 3.3', as well as fogproof in all weather conditions.


Key Features of the Pentax 8x25 UP WP Compact Binocular - 61931

Optical Performance

  • 8x magnification
  • 25mm objective lenses
  • BAK4 Porro-prism optical design.
  • Aspherical lens elements reduce distortion at the edges and correct for lens astigmatism which can prevent sharp focusing.
  • Anti-reflection fully multi-coated optics.
  • 325.5' field of view at 1000 yards.
  • 50° angle of view

Use and Handling

  • Dual-axis synchronized eyepiece adjustment ensures symmetrical placement when changing interpupillary distances.
  • Knurled centre focus wheel.
  • Twist-up eyecups for use with or without eyewear.
  • 15mm eye relief, 3.1mm exit pupil
  • Standard 1/4"-20 tripod mount

Construction Details

  • Lightweight fibreglass-reinforced polycarbonate housing.
  • Housing is corrosion, temperature and impact-resistant.
  • Nitrogen-filled for fogproof performance, submersible to 3.3' (1m).
  • Rubberized armouring protects against impacts and provides a slip-resistant grip.
  • Inner focusing mechanism provides smooth focus while preserving waterproof seals.

  • MPN - 61931
  • GTIN - 8809298883188
+ Read more
Brand Samyang
Focal Length 24 mm
Model Samyang 24mm T1.5 ED AS UMC VDSLR II
Aperture Range T1.5 - T22
Lens type Wide angle for Full frame or cropped sensors
Camera Mount Canon EOS Full Frame
Focal Length 24 mm
Maximum Aperture T1.5
Minimum aperture T22
Minimum Focusing Distance 0.25m
Angle of View 84.0 deg. (61.1 deg. for APS-C/DX)
Minimum Focus Distance 0.25m
Number of Diaphragm Blades 8
Angle Of View 57.6
Focus Type MF (Manual Focus only)
Groups 12
Lens Construction 13 element, 12 groups (4 elements low-dispersion glass (ED) 2x Aspheric elements)
Dimensions 97.0mm x 83.0mm
Filter Size 77 mm
Weight 680
Filter Size 77mm
Elements 13
Mount Nikon, Sony E, MFT
Maximum Diameter 83mm
Dimensions (DxL) Length: 97.5mm
Weight 615
Optical Construction 13 Elements in 12 Groups
Maximum T-Stop T1.5
Focus type Manual Focus
Angle of view 84.0 deg. (61.1 deg. for APS-C/DX)
Dimensions (max) 97.0mm x 83.0mm
Minimum focus distance 0.25 m
Filter size 77 mm
Number of diaphragm blades 8
Weight 680 g
Minimum T-Stop T22
Focal length 24 mm
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What’s In The Box
  • Samyang 24mm T1.5 VDSLR II Canon EOS Full Frame
  • Samyang 24mm T1.5 VDSLR II Canon EOS Full Frame x 1
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