Zoom Ratio

10X
18X
1:4.3
1:6.3
23X optical, 12X digital
255X
255x
29X optical, 12X digital
30x
36X
36X optical, 12X digital
3X
3x
4.3x
4x
4x Digital Zoom with ePan / eTilt
6.7:1
8x
Optical 27x; Digital 12x
Optical 36x; Digital 12x
Optical 37x; Digital 12x
Up to X12 Digital Zoom
X1 ~ X12