Zeiss touit 12mm f 2.8 đánh giá

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Zeiss Touit 12mm f/2.8 (Sony E) - Review / Test Report

Lens Reviews - Sony NEX

Article Index Introduction Analysis

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Review by Klaus Schroiff, published August 2014

Note: We have reviewed this Zeiss a while ago in Fujifilm X mount and for obvious reasons we'll re-use most of the previous article here.

Introduction

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 less 1000EUR/US$ the pricing is similar to competing lenses incl. the Sony E 10-18mm f/4 OSS. As you may have guessed by now, the Zeiss lens is an APS-C format lens and we have tested it in Sony E mount here (it's also available for Fujifilm X 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 photography.

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.

We used a Sony NEX 7 for testing but also tried it on a Sony A6000. The AF speed is Okay but it is not a speed demon nor is it meant to be anyway. The AF accuracy was very good and the emitted noise level during operations is very low. Manual focusing works “by wire” so you actually trigger the AF motor by turning the focus ring. This works reasonably well.

Specifications Equiv. focal length"18mm" (full format equivalent) Equiv. aperture"f/4.2" (full format equivalent, in terms of depth-of-field) Optical construction11 elements in 8 groups inc 2x aspherical & 3x AD elements Number of aperture blades7 (circular) min. focus distance0.18m (max. magnification 1:9) Dimensions86x88mm Weight270g Filter size67mm Hoodpetal-shaped, bayonet mount, supplied Other featuresFloating System

Zeiss Touit 12mm f/2.8 in Fuji X-Mount (67mm filters, 9.5 oz./270g, 0.6'/0.18 m close focus, about $1,250).

Zeiss Touit 12mm f/2.8 in Fuji X-Mount with hood.

Zeiss Touit 12mm f/2.8 in Sony NEX Mount (67mm filters, 9.2 oz./260g, 0.6'/0.18 m close focus, about $1,250).

Zeiss Touit 12mm f/2.8. bigger.

Zeiss Touit 12mm f/2.8 on camera, $1,250 in Sony mount and $1,250 in Fuji mount). enlarge.

My biggest source of support is when you use any of , especially these links to the Sony version and the Fuji version, when you get anything, regardless of the country in which you live. It helps me keep adding to this free website when you get yours through — but I receive nothing for my efforts if you buy elsewhere. Thanks for your support! Ken.

April 2013 Zeiss Fuji LEICA Nikon Canon All Reviews

Fuji 14mm f/2.8 review.

Introduction

A first for Zeiss, this new lens comes in two versions for either Sony or Fuji mirrorless cameras, and even offers autofocus and complete system integration.

When shot on these little cameras, it sees the same angle-of-view as an 18mm ultrawide lens sees on 35mm and full-frame cameras.

Specifications

Compatibility

and cameras.

Optics

11 elements in 8 groups.

Aspherical.

Floating elements.

T* brand multicoating.

Diaphragm

9 rounded blades.

Stops down to f/22.

Close-Focus Distance

0.59 feet (7.1" or 0.18 meters).

Minimum Field

5.67 x 8.66" (144 x 220 millimeters).

Angle of View

99º diagonal.

89º horizontal.

66º vertical.

Size

3.5" (88mm) diameter by 2.68" (68mm) long overall.

Weight

Fuji: 9.5 oz. (270 g.).

Sony: 9.2 oz. (260 g.).

Announced

02 May 2013.

Price, USA

$1,250 in Sony mount.

$1,250 in Fuji mount.

More Information

Zeiss' page on the 12mm f/2.8.

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