Trailbird 8x42 Black Key Specs

FIELD OF VIEW
Angular: 7.5°
@1000m/yds: 129m | 387ft

CLOSE FOCUS
2m | 6.6FT

EYE RELIEF
17.8mm | 0.7in

WEIGHT
595g | 21oz

MAGNIFICATION
8X

OBJECTIVE LENS
42mm

NatureRay
Trailbird Binoculars

All Weather - Companion
Designed to withstand any weather, from rain to snow, this fully waterproof and nitrogen-filled instrument ensures flawless performance in any condition. Explore and observe confidently, rain or shine, with our reliable companion by your side.

Elevate your expectations
The Trailbird delivers a crisp, bright image, which is sharp with natural colours, all sizes feature BaK4 prisms with phase-corrected coatings, fully multicoated lenses.
Twist-up Eye Cup
Comfortable, rubber-covered eyecups twist out with click stops, all of which deliver the full field of view at maximum extension.


Precision Focussing
A stippled focussing wheel ensures non-slip finger contact while adjusting the binocular’s focus.
Accessories
All NatureRay binoculars come complete with a gift box, instruction manual, lens cloth, carry case, neoprene neck strap, rubber lens covers.


The 8x32 models are the most compact, lightweight binoculars in the Trailbird range. The 8x42 and 10x42 models offer the best compromise between performance and size. The 10x50 is optimized for brightness.

Waterproof and fog proof to a depth of 1m for 30 minutes

Phase correction coating enhances resolution and contrast

Premium BaK4 glass prisms produce clearer, sharper images

Fully multi-coated optics for greater clarity & brightness

Dioptre adjustment to ensure both eyes are correctly focused

Twist-up eye cups with position stops for eye relief

Tripod adaptable (adaptor sold separately)

Durable rubber armour withstands the highest level of impact

Binoculars include a 5-year warranty
Specification
NatureRay Trailbird Binoculars | 8x32 | 8x42 | 10x42 | 10x50 |
---|---|---|---|---|
Angular Field Of View | 7.5° | 7.5° | 5.8° | 5.9° |
Field Of View @1000m/yds | 131m : 393ft | 129m : 387ft | 101m : 303ft | 103m : 309ft |
Close Focus | 1m : 3.3ft | 2m : 6.6ft | 2m : 6.6ft | 2.3m : 7.5ft |
Eye Relief | 17.8mm : 0.7in | 17.8mm : 0.7in | 14.3mm : 0.56in | 17.8mm : 0.7in |
Magnification | 8 | 8 | 10 | 10 |
Objective Lens Diameter | 32 | 42 | 42 | 50 |
Exit Pupil | 4mm | 5.25mm | 4.2mm | 5mm |
Interpupillary Distance | 53 - 73mm | 53 - 73mm | 53 - 73mm | 58 - 73mm |
Weight | 510g : 18oz | 595g : 21oz | 590g : 21oz | 740g : 26oz |
Length | 129mm | 142mm | 142mm | 162mm |
Width | 102mm - 121mm | 105mm - 127mm | 105mm - 127mm | 119mm - 134mm |
Prism Glass Material | BaK4 | BaK4 | BaK4 | BaK4 |
Prism Coating | Phase correction coating | |||
Prism Type | Roof | Roof | ||
Lens Coating | Fully multi-coated | |||
Body Material | PPS with shock-resistant rubber armour | |||
Waterproof | IPX7, waterproof to a depth of 1 metre for 30 minutes | |||
Gas Filled | Nitrogen purged to prevent internal fogging | |||
Eye Cups | Twist-up with position stops | |||
Dipotre Type | Right eye | Right eye | Right eye | Right eye |
Tripod Mounting Thread | Yes (¼" - 20 UNC) | Yes (¼" - 20 UNC) | Yes (¼" - 20 UNC) | Yes (¼" - 20 UNC) |
Warranty | 5 Years | 5 Years | ||
Supplied With | Box, instruction manual, lens cloth, carry case, neoprene neck strap, rubber lens covers |