Review: Panasonic TZ100/ZS100


Panasonic entered the digital camera market in 2001, and in 2006 produced the first of its popular TZ range, a series of cameras with a small body and a large zoom range designed to appeal to travellers.

It’s safe to say that in the 10 intervening years, lots of advancements have been made, many of which Panasonic itself has been first to introduce. TZ cameras have proved a big hit over the years, and with the shift towards more high-end features in compact cameras, Panasonic has now raised its game with a new model, the Lumix DMC-TZ100.

The most noteworthy change that the TZ100 brings is the move from a 1/2.3-inch sensor like the unit found in the TZ80, to a much larger 1-inch type device with 20.1 million effective pixels. One inch sensors have become very popular in the past few years, first with Sony’s RX100 range, and more lately, with Canon’s latest G series compact cameras.

Panasonic TZ100
For the TZ100, Panasonic has swapped from the smaller 1/2.3-inch sensor in its previous TZ cameras to a much larger 1-inch sensor.

Key Features

A one-inch sensor immediately raises the TZ100 above the level of many other rival travel cameras. It’s the same same sensor as is found in Panasonic’s top-end bridge camera, the very successful FZ1000. In the TZ100, it is combined with a new Venus Engine processor and a Leica DC Vario-Elmarit 9.1-91mm f/2.8-5.9 lens which has a 35mm equivalent focal length range of 25-250mm. There’s also Panasonic’s Power OIS stabilisation system for stills photography and 5-axis hybrid OIS stabilisation for video.

Panasonic TZ100
The larger sensor does mean that the zoom range is reduced compared to previous TZ cameras, but the 10x zoom range still beats rival pocket-sized 1-inch sensor cameras by some margin.

Despite the increase in pixel count over that of last year’s TZ70, the fact that the sensor is 4x larger in the TZ100 means that the pixels are 2.4x bigger, which should be very good news for image quality and noise control in particular. This has given Panasonic the courage to give the TZ100 a native sensitivity range of ISO 125-12,800, and there are also expansion settings of ISO 80, 100 and 25,600.

The 10x optical zoom means that Panasonic is describing the TZ100 as belonging to an entirely new sector of the travel compact market – premium superzoom. All of the other small form (pocketable) one-inch sensor cameras are limited in their zoom range, so it’s quite exciting to see the company coming up with a camera which should appeal even more to travelling photographers.

Given Panasonic’s enthusiasm for all things 4K, it’s no surprise that the TZ100 has 4K recording capability (at 30 or 25 frames per second) and 4K Photo modes are present to make it easy to shoot 8Mp still images at 30 frames per second (fps). There’s also Panasonic’s latest addition to the 4K fold, Post Focus mode. In this mode the camera takes a sequence of images with different focus distances and you can choose the shot in which your subject is sharp post capture.

In addition, the TZ100 has 4K cropping which enables the composition of 4K footage to be improved and down-sampled to full HD in-camera.

Panasonic TZ100
The TZ100 does manage to squeeze in an electronic viewfinder, but it’s smaller than those in rival models.

Viewfinders are making a welcome comeback to compact cameras and the TZ100 has a 0.2-inch, 1,160,000-dot electronic viewfinder built in to make it easier to compose images in bright ambient light. Naturally this is accompanied by a larger screen on the back of the camera, and in this instance it’s a 3-inch 1,040,000-dot unit that is touch-sensitive. Helpfully there’s an eye sensor to detect when the camera is held to the eye to switch off the main screen and activate the EVF.

Another cherry on the specification cake is the fact that the TZ100 can record raw files as well as JPEGs. This sits well with the aperture priority, shutter priority and manual exposure modes that accompany the automated shooting options. Also, the shutter speed may be set to 60-1/2000 second when the mechanical shutter is in use or 1-1/16000 second with the electronic shutter. It should therefore be possible to freeze very fast movement and use the widest aperture in bright light.

Interestingly, although Wi-Fi connectivity is present, NFC technology is not – Panasonic says that this hasn’t proved as widely used as expected. In terms of competition, the TZ100 goes up against the latest one-inch compact cameras from rivals Sony and Canon, including the RX100 IV and the G7X Mark II – but neither feature such extensive zooms. Arguably, therefore, the TZ100 doesn’t currently have any close competitors.


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