| Use Case | Lens | Why | |----------|------|-----| | All-round | Sigma 18-50mm f/2.8 | Tiny, sharp, constant aperture | | Portrait | Sony 85mm f/1.8 (or Viltrox 75mm f/1.2) | Insane bokeh | | Vlogging | Sony 11mm f/1.8 | Wide, light, fast | | Low-light prime | Sigma 16mm f/1.4 | Legendary sharpness | | Zoom | Tamron 17–70mm f/2.8 | Stabilized (helps no IBIS) |
Pro tip: Stick to APS-C native lenses – full-frame E-mount lenses are overkill for the a6400.
Problem: "My pictures are blurry."
Fix: You are likely in "AF-S" mode. Switch to AF-C. Also, check your shutter speed. Rule of thumb: 1/(focal length x 2). For a 50mm lens, shoot faster than 1/100. sony a6400 camera guide
Problem: "The 4K video looks wobbly (Jello effect)." Fix: You are experiencing rolling shutter. Turn on "SteadyShot" to Standard (not Active), or use a gimbal (DJI Ronin SC). The a6400 has bad rolling shutter; avoid whipping the camera left to right quickly.
Problem: "Face detection doesn’t work." Fix: Go to Menu → Camera 1 → Face/Eye AF Settings → Make sure "Face Priority" is turned On. Also, ensure you haven't accidentally turned off Face Detection in the Fn menu. | Use Case | Lens | Why |
Problem: "The image is too orange/yellow." Fix: White Balance is on "Auto." For skintones, set it to "Daylight" (5000K) outdoors or a custom Kelvin (3200K) indoors. Or shoot in RAW and fix later.
Turn on Zebras (Menu → Camera 2 → Zebra). Set them to 100+. When you see stripes on your subject's skin, you are overexposed. For S-Log, you want zebras at 95% on the skin. Pro tip: Stick to APS-C native lenses –
You can create a custom menu tab of your favorite settings.
Make the camera work for you.