OPTO-EDU A22.3670 Series, Instruction Manual

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7 Technical parameter
7-1
Auxi lia ry Objective Pa ra mete r
Auxiliary objective Magnification Working distance (mm)
0.5 0.5X 177
1.5 1.5X 47
2 2X 35
★
Working distance is fixed regardless of the magnification factor.
★
Total mag.= Zoom mag. X Eyepiece mag. X Auxiliary objective mag View
field of eyepiece Field diameter
（
mm
）
= Objective mag. * auxiliary objective mag.
★
Photo adaptor mag.= Zoom mag.(* Auxiliary objective mag.) * Photo eyepiece
mag
★
TV adaptor mag.=Zoom mag.
（
* Auxiliary objective mag.
）
* C-mount TV
adaptor
7-2
Strutu re Pa ra mete r
Structure
Item Item
Body
Objective 1X
、
3X 2X
、
4X
Working distance 110mm
Inclined 45º
Interpuppilary Sliding, rang:54-75mm
Diopter ±5
Objective tube M48 * 0.75
Eyepiece View field
Φ23mm
Stand
Pole
Φ76mm
Focusing arm
Gear with steel ball, two focus knob with adjustment of
tightness, adjust range: 49mm
Glass stage
Φ100mm
Clip On the base