Opticron T3 Trailfinder 8x25 / 10x25 Monoculars

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✓ 2 year warranty


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About this product

Model:  optcrn_t3_trailfinder_mon_8x25_30650
Part Number:  30650

Palm sized and protected in black rubber armour, the Opticron T3 Trailfinder offers genuine quality and value for anyone interested in owning and using a pocket monocular while out walking or hiking.

Long eye relief and a wide field of view combine with slide bar focusing for easy one hand operation.


  • Compact roof prism design with easy-slide focusing mechanism
  • Nitrogen gas filled waterproof construction
  • Fully coated optics
  • Long 17mm eye relief eyepiece with twist-type retractable eyecup
  • Close focus to 1.5m
  • 5 year guarantee

Video Tour

What's in the box

  • T3 Trailfinder Monocular
  • Lens Caps
  • Strap
  • Soft Carry Case
  • Lens Cloth
  • Instruction Manual


Model 8x25 10x25
Magnification 8x 10x
Object Lens Diameter 25mm 25mm
Field 119m 96m
Min Focus 1.5m 1.5m
Eye Relief 17mm 17mm
Length 100mm 100mm
Width 35mm 35mm
Weight 131g / 4.62oz 132g / 4.66oz


Customer reviews

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Excellent introduction for a younger child
Thursday, 3 May 2018  | 

I purchased the 8x25 for a younger child to take on holiday but he has been taking his new 'telescope' everywhere.

The focusing takes a bit of practice to get used to in small hands but he finds it comfortable to hold and it feels rugged enough to survive the inevitable drops it will receive.

using it myself I find it compact and lightweight with a nice clear image. I will probably pick up another one to keep stashed in the car for the just in case moments.


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Q1. How much do these monoculars weigh?

The Opticron T3 Trailfinder 8x25 monoculars weigh 131g / 4.62oz and the 10x25 monoculars weigh 132g / 4.66oz.

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