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Pro Has a good flip out swivel-and-tilt touchscreen
750D has a 3:2, 1.04M-dot swivel-and-tilt touchscreen with support for multitouch and gestures.
Pro Flicker detection
The camera can detect flickering light sources and sync up with them to shoot at peak brightness in order to avoid underexposing the image by accident.
Pro Built-in Wi-Fi with NFC
NFC enables simple pairing with a smartphone while the built-in Wi-Fi allows transferring files between the camera and a smartphone as well as enables you to use your smartphone to control the camera.
Pro Continuous AF for video
750D uses 19-point cross-type autofocus and has a hybrid sensor that combines contrast detection autofocus and phase detection autofocus. For continuous AF tracking while filming the camera first approximates the focus using phase detection, then uses contrast detection to more accurately adjust the focus. It performs well with set AF points for tracking, less so using subject tracking.
Pro Touchscreen allows quickly setting the AF point
You simply tap the screen to manually set the AF point.
Con Poor subject tracking in live mode
Subject tracking for the camera is somewhat unreliable. It works well if the subject is well isolated from the scene, but quickly becomes unreliable in crowded scenes.
Con Dynamic range could be better
According to tests performed by DxOmark 750D has 11.96 stops of dynamic range in print and 11.17 stops on screen for images taken at 100 ISO while cameras in this price range commonly push 14 in print and 13 on screen.
Dynamic range is the range of brightness that a camera can capture. Detail in parts of the scene that are outside of the camera's dynamic range will be lost.
Con Lacking Auto-ISO system
Auto ISO automatically changes ISO within a user defined range based on lighting conditions. 750D lacks this feature.
Con Lacks AF microadjustment option
Autofocus microadjustment is intended to fine tune the point where the camera focuses. If the camera consistently focuses slightly in front or behind the intended point, microadjustments allow you to fix that. 750D lacks this ability.
Con Battery life could be better
CIPA rated 440 shots per charge.