PermaFocus Bushnell Binoculars, Specification

8x25

8x42

10x42

7x35

7x50

10x50

12x50

Model Number

170825

170842

171043

173507

175007

175010

175012

Magnification

8

8

10

7

7

10

12

Objective Diameter

25

42

42

35

50

50

50

Prism

Porro BK7

Roof BK7

Roof BK7

Porro BK7

Porro BK7

Porro BK7

Porro BK7

Lens Coating

Fully

Fully

Fully

Fully

Fully

Fully

Fully

Field of View 1000 mtrs

113

105

102

193

124

131

88

Close Focus mtrs

Eyesight Dependent

Eyesight Dependent

Eyesight Dependent

Eyesight Dependent

Eyesight Dependent

Eyesight Dependent

Eyesight Dependent

Exit Pupil

3.1

5.25

4.2

5.0

7.1

5.0

4.2

Eye Relief

10.0

16.0

14.0

12.0

20.0

14.0

9.0

Eyecups

Fold-Down

Twist-Up

Twist-Up

Fold-Down

Fold-Down

Fold-Down

Fold-Down

Weight

263g

620.9g

533g

638g

771g

879g

879g

Class Size

Compact

Standard

Standard

Standard

Standard

Standard

Standard

Waterproof

No

No

No

No

No

No

No

Adapt to Tripod

No

No

No

Yes

Yes

Yes

Yes