The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Zeiss Otus 35mm f1.4 and the Sigma 65mm F2 DG DN for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Zeiss Otus 35mm f1.4 is the longer of the two lenses at 103mm. The Sigma 65mm F2 DG DN with a length of 75mm, is 28mm shorter. Besides being longer, the Zeiss Otus 35mm f1.4 also has a larger diameter of 77mm compared to the Sigma 65mm F2 DG DN's 72mm diameter.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Sigma 65mm F2 DG DN weighs 405g, 45% (332g) lighter than the Zeiss Otus 35mm f1.4's weight of 737g.
Filter Threads
The Zeiss Otus 35mm f1.4 has a filter size of 67mm whereas the Sigma 65mm F2 DG DN has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Zeiss Otus 35mm f1.4:
And these are the 62mm filters that we recommend for the Sigma 65mm F2 DG DN:
Lens Mounts
The Zeiss Otus 35mm f1.4 has the Nikon Z lens mount whereas the Sigma 65mm F2 DG DN has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon ZR, Nikon Z5 II and RED Komodo-X 6K Z for the Nikon Z Mount and Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount.
Zeiss Otus 35mm f1.4 is also available in the Sony E and Canon RF mounts.
Sigma 65mm F2 DG DN is also available in Leica L mount.
Focal Range
Zeiss Otus 35mm f1.4 is a prime lens with fixed focal lenght of 35mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
52.5mm.
On the other hand, the Sigma 65mm F2 DG DN is a prime lens with fixed focal lenght of 65mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 97.5mm.
