Infinite. Total Magnification: 14.8X-95X. 0.5X. Zoom Ratio: 1:6.5. Magnification Detent. Stand Type: Track Stand. Illumination Type: LED, Top Illumination: Ring Light. CCD. CC4/S-Video. Screen Size: 10in. Monitor Input Signal Format: AV. Input Voltage: AC 100-240V 50/60Hz. One year warranty.