The inconspicuous observer

Loxia 2.4/85

Portable, inconspicuous, powerful – fitting ways to describe the ZEISS Loxia 2.4/85 telephoto lens. The completely reworked optical design has been specially developed using seven lens elements for the high-resolution, full-frame sensors of the mirrorless Sony α series. The Loxia 2.4/85 supplements the focal lengths of the ZEISS Loxia product family in the short telephoto lens segment.

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Loxia 2.4/85

The inconspicuous observer

Loxia 2.4/85

The inconspicuous observer

Loxia 2.4/85

The inconspicuous observer

ZEISS Loxia 2.4/85

The inconspicuous observer

Despite its compactness the handy ZEISS Loxia® 2.4/85, a moderate telephoto lens offers outstanding image performance – across the entire image field of a full-frame sensor. Be it for a portrait or a street or landscape shot, this inconspicuous lens is great for helping you master these photographic disciplines.

ZEISS Loxia lenses were specifically designed for Sony α7 cameras. This means that they can make the most of the mirrorless, full frame system, while giving you all the creative possibilities of ‘classic’ photography with manual focus at the same time.

And that’s not all: ZEISS Loxia lenses also provide everything you need to shoot high quality video, such as the unique DeClick feature for smooth adjustment of the aperture, for example.

Technical specifications:

Focal length 85 mm
Aperture range f/2.4 – f/22
Focusing range 0,8 m (31.49‘‘) - ∞
Number of elements/groups 7 / 7
Angular field, diag./horiz./vert. 28,63° / 24,05° / 16,23°
Coverage at close range 257,9 mm x 172,6 mm
(10.15‘‘ x 6.80‘‘)
Filter thread M52 x 0.75
Dimensions (with caps) 108 mm (4,25‘‘)
Weight 594 g (1.31 lbz) 
Camera mounts E-Mount

Design

Loxia 2.4/85

A lens design with relatively few glass-to-air surfaces, invented by Dr. Ludwig Bertele at ZEISS in 1930 to provide the fastest lenses of that day for 35 mm photography offering speeds up to f/1.5 and well controlled veiling glare. This is where the name comes from, containig the German word for sun, ’Sonne’, the symbol of utmost brightness.

Sonnar with 7 elements in7 groups
Lens made of special glass with anomalous partial dispersion

Features

Loxia 2.4/85

DeClick feature

One completely new feature of the Loxia lens is that you can ‘declick’ the aperture’s locking mechanism using a tool (supplied) and an adjustment screw on the bayonet surface. This means that for video applications, you can smoothly eliminate any unwanted differences in brightness as you pan the camera. This feature can also be used with other video systems whose size makes them suitable for adaption.

Precise manual focus

Manually focusing a lens means controlling the image result from your fingertips. A good ergonomic design makes all the difference. ZEISS lenses stand out with their large rotation angle which enables precise focusing. Changes are immediately visible in the viewfinder. The high-quality focusing mechanism moves smoothly without play, thus also supporting the intuitive interaction with the focal plane. The precise engraving in meter and feet, and the depth of focus scale provide additional support for manually focusing.

Virtually distortion-free optics

Dramatic perspectives and a view from extraordinary image angles – ZEISS lenses open up new composition possibilities. Distortion would disrupt the composition because straight lines, whose image does not go through the image center, would be reproduced with a curved shape.  This annoying effect is accordingly and largely compensated through elaborate optical designs at all focal lengths.

High-grade full-metal casing

Tangible quality that holds its value is what qualifies ZEISS lenses for decades of hard use. A precision-engineered full-metal casing, grippy focus and aperture rings made of metal, and a tough front bayonet and filter screw guarantee stunning photographic results. A special sealing ring on the bayonet also protects the interface between the camera and the lens.

Immensely compatible

The ZEISS Loxia lenses are suitable for use with the mirrorless Sony Alpha cameras with E-mount and were optimized for sensors up to full 35 mm format (24 x 36 mm). With the ZEISS Loxia lenses, the aperture is controlled manually. This allowed the integration of the so-called DeClick feature of the mechanical aperture ring. The cameras feature the corresponding automatic exposure control (A) and manual exposure control (M).

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Loxia 2.4/85

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Loxia 2.4/85

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