| Part name | 
Technical specifications | 
 SKL-I The vertical arm type  | 
 SKL-I(L) Column type  | 
| Total magnification | 
7.5X-35X 3.75X-140X(use increase the eyepiece lens) | 
 ¡ñ  | 
 ¡ñ  | 
| Continuous zoom ratio | 
1£º4.7 | 
 ¡ñ  | 
 ¡ñ  | 
| Eyepiece | 
Wide angle£ºWF10X/¦Õ20mm | 
 ¡ñ  | 
 ¡ñ  | 
| Objective lense | 
Zoom lens£º 0.75X-3.5X | 
 ¡ñ  | 
 ¡ñ  | 
| Observation of the lens barrel | 
Hinge eyes£¬45¡ã of inclination£¬interpupillary distance£º55-75mm | 
 ¡ñ  | 
 ¡ñ  | 
| Diopter | 
Binocular diopter adjustment range of ¡À6 | 
 ¡ñ  | 
 ¡ñ  | 
| Bracket | 
The vertical arm type support (I type) | 
 ¡ñ  | 
¡¡ 
 | 
| Column type bracket (L type) | 
¡¡ 
 | 
 ¡ñ  | 
| The base | 
The vertical arm type support (I type)£¬180¡Á240mm | 
 ¡ñ  | 
¡¡ 
 | 
| Column type bracket (L type)£¬175¡Á235mm | 
¡¡ 
 | 
 ¡ñ  | 
| Lighting | 
Halogen lamps£¬6V/20W£¬adjustable brightness (an external source) | 
 ¡ñ  | 
¡¡ 
 | 
| Diameter of field | 
¦Õ5mm-¦Õ30mm | 
 ¡ñ  | 
 ¡ñ  | 
| working distance | 
100mm | 
 ¡ñ  | 
 ¡ñ  | 
| focusing mechanism | 
I type vertical arm bracket, focusing range 100mm | 
 ¡ñ  | 
¡¡ 
 | 
| L type column support, focusing range 60mm | 
¡¡ 
 | 
 ¡ñ  | 
| lifting bracket range | 
I type vertical arm bracket£º75-175mm | 
 ¡ñ  | 
¡¡ 
 | 
| L type column frame£º55-200mm | 
¡¡ 
 | 
 ¡ñ  | 
| Packing | 
Foam + carton | 
 ¡ñ  | 
 ¡ñ  | 
| Other | 
All the models, all matches the annular lamp interface | 
 ¡ñ  | 
 ¡ñ  | 
| All TV class models, fully furnished a simple CCD interface | 
¡¡ 
 | 
¡¡ 
 | 
| Optional parts | 
Wide angle eyepiece£ºWF15X¡¢WF20X | 
¡¡ 
 | 
¡¡ 
 | 
| Objective to increase£º0.5X¡¢1.5X¡¢2X | 
¡¡ 
 | 
¡¡ 
 | 
| Annular fluorescent lamp, annular LED lamp | 
¡¡  | 
¡¡  | 
| wooden box | 
¡¡  | 
¡¡  |