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Thornfield HousePentax 8x25 UP Binoculars - Black
Our Price: £119.99
Save 20% with code PENTAX20
Save 20% with code PENTAX20 at the checkout from 27th May to 3rd August 2026
The Pentax 8x25 UP Binoculars in black combine compact portability with high-performance optics. Their innovative unibody design ensures the 25mm fully multicoated objective lenses stay perfectly aligned, delivering bright, sharp images with minimal distortion. Aspherical lens elements correct astigmatism and reduce edge blur, providing clear views across the entire field.
Dual-axis synchronised eyepieces maintain symmetry during interpupillary distance adjustment. The knurled centre focus wheel and twist-up eyecups allow precise, comfortable viewing with or without spectacles. 15mm eye relief and 3.1mm exit pupil enhance comfort, while a standard 1/4"-20 tripod mount enables stable hands-free use.
Lightweight fibreglass-reinforced polycarbonate housing resists corrosion, impact, and extreme temperatures. Rubberised armouring provides protection and a secure grip. The inner focusing mechanism ensures smooth operation while preserving waterproof seals.
| Prism Type | Porro |
| Magnification | 8x |
| Objective Lens Diameter | 25 mm |
| Angle of View | 6.2° (Actual) |
| Field of View | 108.5 m @ 1000 m / 325.5' @ 1000 yd |
| Exit Pupil Diameter | 3.1 mm |
| Minimum Focus Distance | 12.4 m / 40.6' |
| Eye Relief | 15 mm |
| Diopter Adjustment | Yes |
| Focus Type | Center |
| Environmental Resistance | Water-Resistant (Unrated) |
| Dimensions | 11.4 x 10.9 x 5.6 cm / 4.5 x 4.3 x 2.2" |
| Weight | 300.5 g / 10.6 oz |


