Olympus Binoculars, RC I Series, Specifications

10x21 RC I

8x21 RC I

Type

Roof

Roof

Magnification

10

8

Objective Lens

21

21

Exit Pupil

2.1

2.6

Real Angle of View

5.0

6.2

Apparent Angle of View

50.0

49.6

Field of View 1000ntrs

87

108

Brightness

4.4

6.9

Eye Relief

11.0

11.0

Adjustable Eyepieces

Yes

Yes

Eye interval Adj. Range (mm)

37-70

37-70

Near Focus

2.5

2.2

Weight

195g

195g

Width

105

105

Height

92

92

Depth

40

40

Lens Configuration

6 Elements

4 Groups

6 Elements

4 Groups