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Fujinon HCF 8x42

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Fujinon HCF 8x42 Details

These Fujinon HCF binoculars have the classic 8x42 combination, which provides and excellent balance between size, having a bright image with a good low light capability, a wide field of view and image detail. These five main characteristics make them a very versatile instrument and thus are ideal for a wide variety of uses. They will perform especially well for wildlife and bird watchers who often operate in dense forests or when the sun is just below the horizon and the available light is far from ideal. The wide view that these generate is especially important at closer ranges when using a binocular with a higher magnification and narrower view would make it far more difficult to quickly locate and then follow fast moving birds and other small animals. These binoculars also have a very close minimum focus distance, which is great for observing insects and even birds on a nearby feeder for example.

The combination of the twist-up eyecups and 18mm of eye relief ensures that you have plenty of scope to get your eyes the perfect distance behind the ocular lenses with or without glasses on and still be able to view the full image.

About Fujinon HCF Binoculars

The Fujinon HCF series of roof prism binoculars are designed for the enthusiast who still needs a good level of performance from their instrument but at a more budget-friendly price point. The series includes a good selection of sizes and magnifications with highlights that include comfortable, lightweight housings that are fully fog and waterproof and fully multi-coated optical systems with quality Bak-4 glass prisms. By moving part of their production to China, Fujinon created this HCF series to provide the enthusiast with a binocular that still achieves a good level of performance, but which has a more budget friendly price tag than their instruments that are entirely manufactured in Japan.

Important Features 

These HCF binoculars have a typical shape for a modern roof prism binocular, with a single bridge that makes for an instrument that is rugged, yet lightweight and comfortable to hold.
The exterior has a tough rubber coating which has a number of functions. Firstly the shock absorbing qualities provide protection to the optics within. The rubber also improves comfort and grip levels and then lastly it is a less reflective surface than harder more shiny materials and thus improvers camouflage levels.
The chassis is fully waterproof and filled with a dry nitrogen gas which prevents the internal glass surfaces from fogging when the binocular experiences rapid temperature changes.
Centrally located, the focus wheel is large and easy to reach and turn even with one finger. These binoculars also feature a right eye diopter adjuster which is important as it facilitates you being able to adjust them to match that of your particular vision.
The level of eye relief on all models is impressive and can be precisely positioned using the twist-up eyecups to suit your particular requirements to ensure you achieve the full image with or without eyeglasses.

Optical Properties

The optical system on the 42mm models has been fully multi-coated with a material that has special anti-reflection properties. This optimises both the direction and the amount of light that passes through the instrument and results in a brighter, better quality image. Note the 32mm models are “multi-coated” which means not every glass surface throughout the whole system has these coatings. Instead, it is likely to only be the first and last lenses. This is better than none at all, but obviously not quite as good as those that are “fully multi-coated”.
To correct the inverted image, the HCF series uses roof prisms made from good quality BaK-4 optical glass.


Included in the box is a protective case. Fashioned from woven nylon, it has a good level of padding and its own carrying strap.
Also included is a binocular neck strap, cleaning cloth, rubber eyepiece cover (rainguard) and objective lens covers

Features of Fujinon HCF Binoculars

  • Fully Multi-Coated Optics on 42mm models
  • BaK-4 Roof Prisms
  • Lightweight housings with rubber coatings
  • Twist-Up Eyecups
  • Fully Waterproof 
  • Nitrogen Purged (Fog proofing)
  • Tripod Adaptable

Accessories of Fujinon HCF Binoculars

  • Padded Case with Carry Strap
  • Neck Strap
  • Objective Lens Covers
  • Rainguard
  • Lens Cleaning Cloth

Warranty Terms and Conditions

The Fujinon HCF binoculars are supplied with a two-year warranty as standard.

Fujinon HCF 8x42 Specifications

Binoculars seriesFujinon HCF
Made inJapan
In production since
Warranty2 years
Type of prism Roof - Schmidt/Pechan
Variable magnification No
Magnification. 8x
Diopter adjustment
Lens size diameter. 42mm
Exit pupil. 5.3mm
Field of view - FOV... 122m/1000m
Field of view (angular). 6.99°
Apperent FOV (angular).
Eye relief distance. 20.4525mm
Closest focusing distance. 1m
Twilight Factor 18.33
Light transmittance
Relative Brightness 28.1
Lens coatings Fully Multicoated
Working temperature range
Filled with Nitrogen
Focusing system Central
Diopter setting locationRight eye-piece
Minimal interpupillary distance.0
Maximal interpupillary distance.0
Type of BodySingle hinge
Water proof Yes
Fogproof Yes
Tripod compliantNo
Built-in Compass No
Built in Range finderNo
Image stabilization (IS) No
Able to float No


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