This 800x Smartphone Microscope costs just $30
Here are some micrographs that were taken with iMicro (phone is iPhone 7):
Key features of iMicro
- Extremely high magnification: up to 800x
When used with smartphone, it can observe, for example, at full view the apical bud L.S. at a magnification of ~100x, and then in detail up to 800x magnification.
- Very low distortion
A grid calibration target was used to test the distortion. Even in full view at the edge of the visual field, no obvious distortion was observed.
- Very high resolution
The USAF 1951 resolution test chart was used to test the resolution of iMicro on an iPhone 7. The intervals between the finest test bars are 2.19 micrometer. The finest test bars on the 7th group are clearly seen and this indicates its resolution is far beyond that.
Based on this optical performance test, iMicro has excellent optical performance, definitely comparable to a desktop compound microscope.
A stem of xylophytadicotylendon T.S. was observed under iMicro as well as a desktop microscope Motic DMB-1223 (price ~2200USD for microscope + 500USD for camera attachment). No obvious difference was observed as shown in a side-by-side comparison.