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Panasonic Lumix G100 Review - Performance

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Panasonic Lumix G100 Performance

The performance section is where we look at the image quality performance of the camera. Additional sample photos and product shots are available in the Equipment Database, where you can add your own review, photos and product ratings.


Panasonic Lumix G100 Sample Photos

Sample Photos - The 12-32mm kit lens performs well, with good levels of detail and sharpness. Starting with 12mm (24mm equivalent) at the wide-angle end of the lens gives a good wider than normal view of the world compared to most kit lenses. Distortion and purple fringing is automatically corrected in-camera. There are options for shading compensation (vignetting), as well as diffraction compensation. Macro performance of the lens isn't a strong point of this lens, as it doesn't let you get particularly close to the subject, but it is reasonable, and the results are sharp and detailed. Optical image stabilisation will help in low-light to give a better hit-rate.

Face and eye-detection work well, and focus was generally very good, with rapid performance. For better subject separation, a dedicated prime lens will give better results than the 12-32mm kit lens.

The camera gives very pleasing colour reproduction, with great results straight from the camera, with little to no need to adjust or tweak the photos. Different colour profiles are available, called Photo Style, and these can be adjusted with options for contrast, sharpness, noise reduction and saturation. The monochrome Photo Styles also include colour filters, as well as grain options. Exposure is reliable, with little need to adjust exposure compensation, unless you wanted to tweak it to your own liking. You can use the iDynamic option to expand dynamic range (we left this off), or use the HDR or Bracket shooting modes.


Panasonic Lumix G100 ISO test images

ISO Noise Performance - Noise is low at ISO100 to ISO400. Noise starts to creep in at ISO800, with a slight loss of detail at ISO1600 as noise increases again. Noise increases again at ISO3200, but results are still usable. ISO6400 may, or may not be usable, depending on your needs, as noise increases again and you may want to resize or process the raw files. Colour saturation drops off at ISO12800, and this continues at ISO25600, and because of this, we'd advise against using these higher ISO speeds.


Panasonic Lumix G100 White-balance test images

White Balance Performance - Auto White Balance (AWB) performs well under tungsten lighting, with a warm result. There are options for AWB Cool and Warm, and these work well to give a cooler or warmer result depending on what you're looking for. Auto white balance gives great results under fluorescent and mixed lighting. There are no fluorescent presets available on Panasonic cameras.


Panasonic Lumix G100 Digital filters

Digital Filters - There are 22 different creative effects available, as well as 23 different scene modes available. We've included an example of some of these above. There doesn't appear to be a panoramic mode available.


Video - The G100 records 4K UHD video at 30, 25, and 24fps at 100mbps. The Slow and Quick mode lets you record high-speed / slow-motion video at FullHD resolution, at up to 120fps. The Photo Style setting is where you'll find the colour profiles, which includes Cinelike D, Cinelike V, and V-Log L designed specifically for video recording. ISO 100 to 6400 is available in the video mode.


After viewing the footage, we found that whilst the OZO Audio tracking is clever, the audio quality doesn't actually sound very crisp, instead sounding like it's been processed. The electronic image stabilisation is acceptable if you can hold the camera fairly steady, but if you're walking then the stabilisation isn't able to keep up on the standard setting.

The crop into the frame is very noticeable, making the 12mm (24mm) not a very wide lens anymore. The crop also means that images don't look very detailed or crisp, and any focusing errors, for example when the camera loses focus on your face are particularly noticeable. Using the FullHD video mode, the crop is thankfully less severe.

Panasonic Lumix G100 Video Crop
Panasonic Lumix G100 Video Crop compared to still photos.

The 12-32mm lens isn't as quick as some, and the aperture f/3.5 is quite "slow", so it's likely that you'll want to get a different lens quite quickly if you want nicer background blur.

The "video selfie" mode is designed to automatically give you a clear (and in-focus) background, with the camera automatically entering this mode when you tilt the screen round to face you. There doesn't seem to be any control over this, with options greyed out, and if you'd like a blurred background, it looks like you need to enter the manual aperture movie mode, and select the brightest aperture possible. If you want to see how this could have been implemented, giving the user easy control over settings, have a look at the implementation on the Sony ZV-1.

Is this camera good for vlogging? It's got a lot of features, and on-paper looks like it would make a great vlogging camera, yet the lack of effective image stabilisation combined with the heavy crop makes this difficult to recommend for vlogging.

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pablophotographer 9 1.6k 380
23 Jul 2020 3:49PM
Looks well designed and ergonomic Smile

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ChrisV Plus
13 2.3k 26 United Kingdom
26 Jul 2020 11:58PM
You donít mention it, but I think the IBIS is actually electronic (hence the crop) and doesnít work at all in stills mode. Iím still tempted by this (once the price comes down a bit) as a replacement for my GM5. The evf looks a real winner and it does have a newer 20mp sensor. Shame about the lack of real IBIS and also the very slow flash sync the electronic curtain necessitates, but thatís the price of such a small body. You mention the G90 as an alternative, but the G9 is now in a similar price bracket and thatís a camera which represents probably the best of Panasonic in MfT - a real bargain at its current price, particularly now it will match the GH5s high bitrate video capture. Itís big of course, (which is the sole reason this camera tempts me as a stealth alternative), but itís also possibly the most superbly handling camera Iíve ever owned.

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