Image Quality and AF performance of an original Canon G7x versus Canon M100 cameras w/15-45

PDF]PDF QuickGuide to EOS Live View Features

https://www.learn.usa.canon.com/.../CDLC_EOSLiveView_Q...

Canon Inc.Canon EOS cameras when used in their Live View mode. ... directly onto the sensor, which in turn displays the image ... EOS 40D, 5D Mark II, EOS-1D Mark III, EOS-1Ds Mark III, ... Mark III do not offer movie options. ... to produce a fixed screenbrightness, or Exposure .... settings for the following camera menu options:.

Canon Knowledge Center - Changing the AF Mode to Use ...

https://support.usa.canon.com/kb/index?page=content&id=ART134415

Nov 4, 2015 - ID : 8201360200 _ EN _ 1. Solution ... While the Live View image isdisplayed, you can press the < AF?????????DRIVE &gt; button to select the AF mode on the setting screen displayed. 9. ... If focus is not achieved, the AF point will turn orange. .... Shooting movies with the default settings (EOS 5D Mark III)

You may not be able to change the image to 300 dpi, but you can change the image quality to S (small). Go to the camera's Menu and then to Image quality and select the lowest image quality setting.

Yes.

Not realistically possible, due to the incompatible lens to focal plane distances. If you found one it would either not allow infinity focussing or would need to incorporate corrective optics which add cost and ruin image quality.

All such adapters mean that the AF won't work, and focussing and image composition must be done with the aperture fully open before manually closing the aperture down to the desired value for metering and shooting. With Nikon G lenses the aperture is fully electronic, so the lens would only be operable at its smallest aperture.

You can get an adapter to allow Nikon to Canon EOS though, but as both cameras have plenty of excellent quality new and used lenses and resale values are high it's a pointless exercise.

Make sure the AF/MF mode button on the lens is set to AF.
What focusing mode do you have selected in the camera? Single Shot, AI focus or AI Servo? 
If Custom Function "C.Fn IV -1 Shutter button/AF-ON button" is set to option 2 or 3, the AF will start when you press the AF-ON button.
I hope this help you!
/Chris

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Make sure that the switch on the lens is set to AF. If that doesn't work, you may have a faulty lens. The EFS 18-55 is not a high quality lens.

As basic as it sounds, is the lens dirty? The tiny surfaces of digital cameras' lenses really affect image quality. Also check the image quality setting to ensure you're shooting at a high quality setting.

The DiMAGE E500 uses Video AF.

Approximate number of recording images : AA size Alkaline batteries: 240 frames *1 AA size Ni-MH batteries (2500mAh): 420 frames *1 Test condition Conforming to CIPA(Camera & Imaging Products Association): *1: LCD monitor on, Full-size images: 2560x1920, Standard image quality, No instant playback, Flash used with 50% of the frames, No full-time AF, one image at every 30 sec., turning the power on/off at every ten images. Approximate period of playback images: Test condition Based on Konica Minolta's standard test method: AA size Alkaline batteries: 240 min. AA size Ni-MH batteries (2500mAh): 330 min. *Since the performance may vary depending on conditions, recording mode, and subjects, these are approximate values only.