Model

SZ650

SZ680

SZ780

Objectives Zoom Range

0.7X-4.5X

0.68X-4.7X

0.66X-5.1X

Zoom  Ratio

1 : 6.5

1 : 6.8

1 : 7.8

Field Diameter (mm) 

Φ22

Φ23

Φ24

Working Distance (mm)      

110

110

110

Stereo Angle ( °)

12

12

12

Viewing Angle  ( °)

40

35

35

Interpupillary Adjustable Distance (mm)

50-75

50-75

50-75

Video Output Distribution

NO

0:100 standard

50:50 optional

Guide Rail Stand Focusing Distance  (mm)

80

Pillar Stand Focusing Distance (mm)

115

Additional Objective

0.5X

1X(built-in)

2X

W.D

189mm

110mm

36mm

10XEyepiece/Φ22mm

Magnification

3.5~22.5

7~45

14~90

Field dia. (mm)

62.9~9.8

31.43~4.89

15.71~2.44

15XEyepiece/Φ16mm

Magnification

5.25~33.75

10.5~67.5

21~135

Field dia. (mm)

45.71~7.11

22.86~3.56

11.43~1.78

20XEyepiece/Φ12mm

Magnification

7~45

14~90

28~180

Field dia.(mm)

34.28~5.33

17.14~2.67

8.57~1.33

Items

SZ650BP

SZ650B2L

SZ680BP

SZ680B2L

SZ780BP

SZ780B2L

Main Body

Binocular

√

√

√

√

√

√

Trinocular

×

×

×

×

10XEyepiece/Φ22mm

√√

√√

10XEyepiece/Φ23mm

√√

√√

10XEyepiece/Φ24mm

√√

√√

15XEyepiece/Φ16 mm

××

××

××

××

××

××

20XEyepiece/Φ12mm

××

××

××

××

××

××

0.5X/2X Objective

×

×

×

×

×

×

Focusing unit

√

√

√

√

√

√

No light

√

√

√

Reflecting 3W LED

√

√

√

Transmitting 3W LED

√

√

√

Black & white Plate

√

√

√

√

√

√

Glass Plate

√

√

√

Arm stand

√

√

√

√

√

√

Pillar stand

×

×

×

×

×

×

Focusing Arm stand

×

×

×

×

×

×

Base (330×300mm)

√

√

√

√

√

√

C-mount  0.5X,0.7X,1X

×

×

×

×