| S. No |
Transmission Electron Microscope |
Scanning Electron Microscope |
| 1. |
Transmitted electrons produce image |
Secondary electron produce the image |
| 2. |
Two dimensional image is formed |
Three dimensional image is formed |
| 3. |
Used to study the thinner samples |
Used to study the thicker samples |
| 4. |
Capable to obtain 1,000,000 times magnified image |
Capable to obtain 3,000,000 times magnified image |
| 5. |
Resolution is upto 0.2nm |
Resolution is upto 10-20nm |
| 6. |
Coating of specimen is not needed |
specimen like non-conductive materials must be coated by noble metals |
| 7. |
Magnification power of the magnetic lens is a function of power of the objective lens |
It does not depend upon the function of power of the objective lens but depends upon the current supplied to the scanning coils |
