The A6500 has a native feature called 'Clear Image Zoom'. Essentially, it provides patented zoom capability using Sony's digital algorithms to zoom a lens beyond Optical and standard Digital zoom with no perceivable deterioration of quality.
Key Operation Steps:
1. Set Clear Image Zoom (Menu > M2 > Zoom > Zoom Settings > Clear Image Zoom > On
2. Set Quality/Image to JPEG not RAW (Menu M1 > Quality > Extra Fine/Fine/Standard
Clear Image Zoom: The Most Amazing Shooting Mode
Zoom Settings (missed tip: be sure to set a custom button)
How to Zoom with Clear Image Zoom