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William Optics 8 X 42 Semi APO Binoculars - H-B8X42ED


Magnificent comfort and great color correction, these binoculars are your ideal companion for hiking & camping, sports, birdwatching. Nitrogen filling makes them suitable for marine environments. 7 degree FOV makes them suitable for inexpensive and relaxed widefield stargazing. Excellent price-quality ratio.

• Semi Apochromatic lens design (very limited false color).
• All lenses FMC.
• Roof BaK4 prisms with silver coating for enhanced brightness.
• Waterproof design (submersible 1 meter for 15 min.): dry nitrogen filled and o-ring sealed against moisture and fog.

Excellent for Birdwatching
• Close focusing (2.5 m).

Easy on Your Eyes 
• Very high eye-relief make these ideal for glass-wearing users.
• Feature Twist-up Eyecups and Right oculars click-stop dioptric adjustment.

Incredibly Compact 
• Extra light.
• Soft rubberized alloy body for highest durability.
• Shockproof and no-slip rubber armoring. 
• Carrying bag, strap and caps.


Model Type 8x42 SEMI-APO Binoculars 10x42 SEMI-APO Binoculars
Magnification 8x 10x
Objective Diameter 42mm 42mm
Exit Pupil 5.2mm 4.2mm
Eye Relief 16mm 17mm
Prism System Roof type, BaK4 Roof type, BaK4
Coating Fully-Multi-Coated Fully-Multi-Coated
Minimum focus distance 2.5m 2.5m
Focus System Center Focus Center Focus
Water Proof Yes Yes
Field (Degree) 7.0 6.0
Field (Ft/1000 Yd) 367 315
Weight 650g (1.4 lbs.) 680g (1.6 lbs.)