8x42 binoculars for birding
Which 8x42 binoculars do we track?
Budget to premium
Prices move constantly; the button shows the current figure.
Other configurations and budgets
6x30 · 7x35 · 7x42 · 8x25 · 8x32 · 8.5x42 · 10x25 · 10x32 · 10x42 · 10x50 · 12x50
Under $100 · Under $200 · Under $300 · Under $500 · Under $1000
Get the binocular buying checklist
Exit pupil, close focus, eye relief for glasses and the warranty questions to ask, on one page.
Used only to send the checklist.Frequently asked questions
Are 8x42 binoculars good for bird watching?
They suit all-round birding in woods and backyards. The 5.25 mm exit pupil stays bright at dawn, dusk and under trees, and 8x keeps the view steady and the field wide enough to find moving birds. For most backyard birders an 8x42 remains the default.
What does 8x42 mean?
8 is the magnification, so a bird looks 8 times closer. 42 is the diameter of each objective lens in millimetres, which sets how much light comes in. Dividing 42 by 8 gives the exit pupil of 5.25 mm, the width of the light beam reaching your eye.
How bright are 8x42 binoculars?
Relative brightness, the exit pupil squared, is 27.56, against 27.6 for an 8x42 and 17.6 for a 10x42. Twilight factor is 18.33. Coatings and glass quality change real-world brightness a great deal, so two 8x42 binoculars at different prices can look very different at dusk.
8x42 or 8x42 for birding?
The 8x42 is the reference point most birding guides start from: bright, steady and wide. Choose 10x42 for more reach in open habitat, or 8x32 to save weight.
How much do good 8x42 binoculars cost?
We track 30 8x42 listings from $45.99 to $529.99. Budget models work in good light; the mid-range adds ED glass, better coatings and phase-corrected prisms, which show at dawn and dusk.