Pentax Papilio 8.5×21 Reverse Prism Close-Focusing Binocular

Pentax Papilio 8.5×21: 8.5X porro-prism binoculars

The Pentax Papilio 8.5×21 is Pentax’s 8.5X porro-prism binoculars. Available from Pentax at Camerahaus.

Who Is This Made For?

The Papilio 8.5×21 is for birders and nature watchers who want close focusing.

8.5X magnification, objectives

Porro-prism design. Field of view 105m at 1,000 m (6.0).

Bright, clear view

Exit pupil 2.5mm, relative brightness 6.3. Fully multi-coated optics keep the image bright and contrasty.

CLOSE focus system

Pentax’s converging-objective design lets both barrels focus on subjects only 50 cm away, unique to the Papilio.

Light enough to carry all day

Compact, lightweight body.