Olympus Binoculars, PC I Series, Specifications

12x25 PC I

10x25 PC I

8x25 PC I

10-30x25 PC I

8-16x25 PC I 

Type

Porro

Porro

Porro

Porro

Porro

Magnification

12

10

8

10

8

Objective Lens

25

25

25

25

25

Exit Pupil

2.1

2.5

3.1

2.5-0.8

3.1-1.6

Real Angle of View

4.5

5.2

6.0

3.2-1.9

4.5-2.9

Apparent Angle of View

54.0

52.0

48.0

32.0-57.0

36.0-46.4

Field of View 1000ntrs

79

91

105

56-33

79.51

Brightness

4.3

6.3

9.8

6.3-0.7

9.8-2.4

Eye Relief

16

15

16.5

15-8

15-12

Adjustable Eyepieces

Yes

Yes

Yes

Yes

Yes

Eye interval Adj. Range (mm)

58-70

58-70

58-70 

58-70

58-70 

Near Focus

3.5

2.5

2.5

5.0

5.0

Weight

280g

280g

280g

315g

315g

Width

114

114

114

114

114

Height

98

98

98

111

111

Depth

48

48

48

48

48

Lens Configuration

8 Elements

6 Groups

7 Elements

5 Groups

7 Elements

5 Groups

9 Elements

6 Groups

9 Elements

6 Groups