MicroLinks VT300 - user guide - Manual (Page 17)

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Scale 29.14 25.50 22.66 21.52
Scales of Digital Magnification in 42x Optical Rates
Rate 42x 63x 84x 105x 126x
Scale 24.00 16.00 12.00 9.600 8.000
Rate 147x 168x 189x 196x
Scale 6.857 6.000 5.330 5.120
 The taken photo file name shall note the magnification size
based on the photo taken situation. Ex: “IMG0001_L1.JPG”,
the “L” means optical low magnification. “1” means the
stage of digital enlargement. “IMG0001_H8.JPG”, the “H”
means optical high magnification, “8” means the stage of
digital enlargement. The above file name, capital letter L
means the optical mag 10x, H means 42x. If the
magnification icon shows “…x” which the file name will
not note any L/H since machine is not able to know the
preview situation. Below chart is the FOV (Field of View)
for different magnification and stage of enlargement. 。
Field of View of 10x Optical zoom (unit:mm)
Stage 0 1 2 3 4
Horizontal 5.42 3.61 2.71 2.17 1.80
Vertical 4.06 2.71 2.03 1.62 1.35
Stage 5 6 7 8
Horizontal 1.55 1.35 1.20 1.14
Vertical 1.16 1.01 0.90 0.85
42x Field of View of 42x Optical zoom (unit:mm)
Stage 0 1 2 3 4
Horizontal 1.27 0.85 0.63 0.51 0.42
Vertical 0.95 0.63 0.47 0.38 0.31