Zeiss Touit 12mm f/2.8 (Fujifilm) - Review / Test Report
Lens Reviews -
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The Zeiss Touit 12mm f/2.8 is a bit of a surprising offering. Given the brand name and combined with the rather extreme focal length you may expect something completely unaffordable (see e.g. the full format Zeiss T* 15mm f/2.8). However, at around 1000EUR/US$ the pricing is similar to competing lenses such as the Fujinon XF 14mm f/2.8 and XF 10-24mm f/4 OSS. As you may have guessed by now, the Zeiss lens is an APS-C format lens and we have tested it on Fujifilm X (it's also available for Sony E mount). A 12mm APS-C lens is equivalent to a “18mm” full format lens - or in other words: it has an ultra-wide field of view with typical applications such as landscapes and architecture.
While the Zeiss Touit 12mm f/2.8 is a short lens, it is actually quite “fat”. When placing the camera with attached lens on a table, the combo will actually stand on the lens front on one end. Obviously Zeiss decided to implement a rather large front element which simply takes some space. However, bigger tends to be better - we’ll see whether there's some truth in this. The build quality is excellent thanks to a tightly assembled combination of plastic and metal parts based on a metal mount. A big plastic lens hood is supplied. The focus ring is rubberized which is really nice from a handling perspective although it also collects dust like hell. Some users criticised that the dedicated aperture ring doesn’t provide sufficient friction to keep a setting during unmounting/storing/mounting. While this is a valid argument for sure, we don't think that this is a showstopper.
We used a rather old Fujifilm X-E1 for testing which isn’t exactly renowned for AF speed. However, it is certainly fast enough for a lens in this focal length class. The X-E2 or X-T1 should be vastly superior in this respect anyway. The AF accuracy was generally fine and the noise level is very low. Manual focusing works “by wire” so you actually trigger the AF motor by turning the focus ring. This works reasonably well.
|Equiv. focal length||"18mm" (full format equivalent)|
|Equiv. aperture||"f/4.2" (full format equivalent, in terms of depth-of-field)|
|Optical construction||11 elements in 8 groups inc 2x aspherical & 3x AD elements|
|Number of aperture blades||7 (circular)|
|min. focus distance||0.18m (max. magnification 1:9)|
|Hood||petal-shaped, bayonet mount, supplied|
|Other features||Floating System|