Pentax PAPiLiO II 21mm Binoculars
Pentax PAPiLiO II 21mm BinocularsPentax PAPiLiO II 21mm BinocularsPentax PAPiLiO II 21mm Binoculars
Pentax PAPiLiO II 21mm BinocularsPentax PAPiLiO II 21mm Binoculars

Pentax PAPiLiO II 21mm Binoculars

  (1 Review)
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About this product

Model:  pntx_papilio_6.5x21_62001
Part Number:  62001

Pentax U-Series

The Pentax U-series - These compact, inverted porro-prism models feature a durable dual-axis, single body design with synchronised IPD adjustment and full multi-coating for better light transmission. Aspherical lens elements give you edge-to-edge sharpness. They are a perfect “utility” companion for a multitude of applications.

The Papilio is a unique binocular. Of course it’s a fine and compact companion on nature trails and holidays, but when your interests are flowers, insects, bugs or butterflies the Papilio turns out to be an indispensable instrument. No other binocular combines fine handling and easy viewing with an unsurpassed close focus of only 50cm! You can observe nature in its natural habitat without disturbing or missing the finest detail. 


  • New fully multi-coated optics
  • Close focus to 50cm for macro observation, unique in the market
  • Aspherical lens elements providing edge-to-edge sharpness
  • High Quality BaK4 prism to enhance transmission and resolution
  • Dual-axis, single body housing with synchronized eye-piece IPD adjustment
  • Rubber covered body provides protection and grip
  • Twist-up eyecups
  • Fine diopter adjustment and fast and easy central fine-focusing

New Fully-multi-coated optics

Fully multi-coated lenses serve the essential purpose of maximising the amount of light passing through a lens, thereby prevent flare and ghosting from interfering with your view. PeNTAX applies multiple layers of coatings to every surface of every element and prism in the full sport Optics line-up. These fully-multi-coated optics assure the maximum light transmission resulting in a clear, crisp view of the world.

BaK4 prisms

Due to its outstanding refractive index, the BaK4 glass prism found in all PeNTAX sport Optics is highly acclaimed for its perfectly round exit pupil and clear, unvignetted image.

Aspherical lens elements

edge-to-edge sharpness is a vital element to comfortable viewing. To achieve this, we utilise aspherical lens elements in our eyepieces. This is a specially shaped lens design that reduces aberration to a minimum.


Absolutely unique and innovative, the macro function of the Papilio allows the user to view objects from a distance of only 50cm! Users can literally immerse themselves in their surroundings rather than watching from a distance. very popular with entomologists and everyone that loves butterflies, spiders, flowers, etc.

inner Focus Optics Design

This sophisticated optical design is critical to low-maintenance and long life guarantee. exposure to airbourne particles and moisture is avoided, thereby ensuring that no outside influences can penetrate the housing and disrupt functionality.

Nitrogen purged

Nitrogen is a chemical element and a colourless, odourless and tasteless gas. It contains very little humidity and is therefore used to “purge” binoculars and spotting scopes of the high humidity air that is part of our environment. Due to the low humidity factor, nitrogen prevents condensation from forming on the internal lenses of optical instruments during phases of rapid temperature change. Furthermore, because nitrogen is purged into the optical instrument at slightly above atmospheric pressure, dust and other miniscule particles are prevented from entering the housing.

Long eye relief design

The long eye relief offered in all PeNTAX sport Optics allows the viewer to see the entire field of view clearly and effortlessly. This is especially beneficial to eyeglass wearers, and allows viewing for extended periods of time without added eye strain.

Other Features

Helicoid three-stop eyepiece rings that permit fine adjustment for maximum viewing comfort

Exterior rubber coating that provides the binoculars with superb resistance to shocks and impacts. 

What's in the box

  • Papilio II Binoculars
  • Objective Lens Caps
  • Eyepiece Lens Caps
  • Carrying Case
  • Neck Strap
  • Lens Cloth
  • Instruction Manual


Product Code6200162002
TypePorro CompactPorro Compact
Objective Lens Diameter21 mm21 mm
Field of View at 1000m131 m105 m
Exit pupil aperture3.2 mm2.5 mm
Eye Relief15 mm15 mm
EyecupsMulti-Stop Twist-UpMulti-Stop Twist-Up
Height55 mm55 mm
Width110 mm110 mm
Depth114 mm116 mm
Weight290 g290 g
Water proofNoNo
AccessoriesObjective and eyepiece caps, case, strapObjective and eyepiece caps, case, strap
Prism coatingBaK4BaK4
Lens coatingNew fully multi-coated opticsNew fully multi-coated optics
Twilight Factor11.713.4
Close focus0.50 m0.50 m
Tripod AdaptorWith adapter U – PENTAX Code No. 69552With adapter U – PENTAX Code No. 69552

Customer reviews

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Good all-rounder...
21 April 2018  | 

If you want a light, comfortable-to-use and optically excellent set of general purpose bins, you won’t go wrong with these. For daytime use, the sharp focus and wide field is excellent for catching that bird or insect you glimpsed, without having to,hunt for it (I got the 6x21s just for that reason). The close focus capability is really useful for insect watching. Although the light grasp for night sky viewing is obviously not up with 50mm+ bins, the trade off is the light weight and wide field of view - great for scanning constellations, with the sharp optics
giving pin-point stars and no discernible colour flaring. Very pleased with them.


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Q1. How much do these binoculars weigh?

The Pentax Papilio II 6.5x21 and 8.5x21 binoculars weigh approximately 290g / 10.23oz.

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