SPECIFICATION:
| Model | Eyepiece | Working distance | 
 | 
| LM-600 | 0.65X-6.0X | 100 | 11X-102X | 
| LM-550 | 0.65X-5.5X | 113 | 10X-85X | 
| LM-450 | 0.7X-4.5X | 113 | 11X-69X | 
SPECIFICATION:
| Components | Specification | LM-600 | LM-550 | LM-450 | 
| LCD screen | 8″inch | ● | ● | ● | 
| 10.4″ inch | ○ | ○ | ○ | |
| Reduce lens | 0.5X | ● | 
 | 
 | 
| 0.45X | 
 | ● | ● | |
| Objective | 0.75-6.0X | ● | 
 | 
 | 
| 0.65-5.5X | 
 | ● | 
 | |
| 0.7-4.5X | 
 | 
 | ● | |
| 3-D viewing lens | Manual, 360°viewing | ○ | ○ | ○ | 
| Laser locator | Red | ○ | ○ | ○ | 
| CDD resolution | 1/3″420 line | ○ | ○ | ● | 
| 1/3″520 line | ○ | ○ | ○ | |
| 1/3″580 line | ● | ● | ○ | |
| Incident light | Halogen lamp 12V/10W | 
 | ● | ● | 
| 96T LED right light | ○ | ○ | ○ | |
| Transmitted light | Fluorescent lamp 5W | 
 | ○ | ○ | 
| Halogen lamp 12V/10W | 
 | ● | ● | |
| ● standard ○ optional ○ Optional base & size | ||||