Carl Zeiss Planar HFT 80mm F/2.8 PQS

Standard prime lens • Film era • Discontinued

HFT High Fidelity Transfer Coating is applied to the surface of lens elements. It boosts light transmission, ensures sharp and high contrast images, minimizes ghosting and flares.
PQ Professional lens with high quality optics and robust build. Meets the highest standards and provides excellent performance and flawless image quality unachievable with traditional optical technologies.
S A lens with Direct Drive Shutter which permits speeds up to 1/1000 sec.
Carl Zeiss Planar HFT 80mm F/2.8 PQS

Model history

Carl Zeiss Planar HFT 80mm F/2.8 PQS Gold6x6Rolleiflex SLXA7 - 50.9mBVI 1994 
Carl Zeiss Planar HFT 80mm F/2.8 PQS6x6Rolleiflex SLXA7 - 50.9mBVI 1993 
Carl Zeiss Planar HFT 80mm F/2.8 (Rollei-HFT)6x6Rolleiflex SLXA7 - 50.9mBVI
Carl Zeiss Planar (HFT) 80mm F/2.8 (Rollei-HFT)6x6Rolleiflex SL66A7 - 50.16mBVI 1966 

Features highlight

6x6
Fast
HFT
Auto
MF
Compact
LS

Specification

Production details
Announced:1993
Production status:Discontinued
Production type:Mass production
Original name:Carl Zeiss Planar 1:2,8 f=80mm HFT PQS Lens
Optical design
Focal length:80mm
Speed:F/2.8
Maximum format:Medium format 6x6
Mount:Rolleiflex SLX
Flange focal distance:74mm
Diagonal angle of view:52.3° (Medium format)
Lens construction:7 elements - 5 groups
Diaphragm mechanism
Diaphragm type:Automatic
Number of blades:<No information>
Built-in leaf shutter
Type:Electronically controlled Rollei
Speeds:30 - 1/1000 + T, B
Focusing
Closest focusing distance:0.9m
Maximum magnification ratio:<No information>
Focusing method:<No information>
Focusing modes:Manual focus only
Manual focus control:Focusing ring
Physical characteristics
Weight:590g
Maximum diameter x Length:⌀81.5×63mm
Accessories
Filters:Bayonet-type VI
Lens hood:Bayonet-type 96 741 (square)

*) Sources of data: Rollei close-up handbook ● Rolleiflex 6000-system: lenses and dedicated accessories booklet ● Rolleiflex 6008 SRC 1000, 6008 user's manual ● Rolleiflex 6008 integral user's manual ● Rolleiflex 6003 professional user's manual ● Rolleiflex 6001 professional user's manual ● Rolleiflex 6008 AF, 6008 integral2 user's manual.

Manufacturer description #1

Only the best lenses are good enough for a professional camera system.

For your Rolleiflex 6001 Professional, 6008 AF and Rolleiflex 6008 Integral you may choose between lenses from 30 to 1000 m focal length – from fisheye to ultra-wide-angle, wide-angle and standard lenses to telephoto, supertelephoto, zoom and several special-purposes lenses. All of them cutting-edge products made by Carl Zeiss and Schneider-Kreuznach, the world-famous specialists for medium-format optics. All of them with Rollei HFT coating (High Fidelity Transfer) for optimum flare suppression and brilliant colors.

Our PQ (Professional Quality) and PQS lenses, the latter with a top shutter speed of 1/1000 s, are the result of advanced optical design techniques, innovative technology and permanent optimization. All of them use the unique Rollei Direct-Drive technology: The diaphragm and shutter blades in the lens are driven by two linear motors and very precisely controlled and monitored in 1/3 increments by the camera’s micro-computer. Control pulses and power are transmitted from the camera to the lens via ten gold-plated contacts – without friction, free from wear and with high speed. As soon as the lens is in place on the camera, all important information is immediately transferred to the camera. In other words, you are instantly ready to shoot.

PQ and PQS lenses by Rollei, Carl Zeiss and Schneider-Kreuznach are in a class of their own. They are the ideal combination of between-the-lens and focal-plane shutter technology, offering both wide apertures and fast top shutter speeds that are fully synchronized. Their outstanding features are optimum sharpness, color rendition and brilliance as well as reliability and high operating speed.

Glass

A combination of proper lens curvatures and suitable glass types are your guarantee that the Rollei line of lenses are optimally corrected for aberrations for sharp and brilliant pictures. Carl Zeiss, Schneider-Kreuznach and Rollei use advanced glass types, some of which with particularly high refractive indices.

Mechanics

A lens consists of several elements, some of which may be combined in components. These are axially shifted for focusing and zooming, sometimes even in opposite directions. All these motions have to be very precise in order not to degrade the high performance of the lenses over their entire focusing and zooming ranges. Precise manufacturing techniques and high-quality materials make sure that the tight tolerances are met even after many years of use.

Anti-reflection coating

Lenses for Rollei cameras are HFT coated (High Fidelity Transfer). The coating consists of special ultra-thin films evaporated on the lens surfaces. The result is a noticeable reduction in the amount of light reflected from the lens elements and thus less contrast-degrading flare. Also, light transmission is increased, allowing full use to be made of lens speed.

Centration

As a user of a Series 6000 Rolleiflex SLR, you have a right to expect edge-to-edge sharpness in your pictures. Reason enough for the manufacturers of these lenses to place special emphasis on the exact centration of their optical components.

Flare reduction

In addition to anti-reflection coating, additional care is taken to minimize flare. Special black varnish blocks out light that might be reflected into the optical path, and a separate pin-hole diaphragm cuts off any and all light rays that are not required for image formation. (This pin-hole diaphragm should not be confused with the iris diaphragm that is needed for exposure and depth-of-field control.)

Neutral colors

Due to different glass types used for the different lens elements, lenses may exhibit subtle differences in color rendition. The design of dedicated Rollei lenses therefore places special emphasis on reducing these color variations to an absolute minimum. In practical terms this means that pictures taken of one and the same subject with different lenses will have identical color characteristics and can thus be combined without any problem.

Sharpness

This is the product of the resolving power and contrast rendition of a lens – criteria that are given great importance in the design of Rollei camera lenses. Precise focusing is easy due to the bright focusing screens of Rolleiflex 6000 Series cameras (and the fast and precise autofocus of the Rolleiflex 6008 AF) and makes sure that your pictures are tack-sharp.

Lens speed

Lens speed, or the aperture ratio, is an important criterion for choosing lenses. The higher the speed of your lenses, the longer will you be able to shoot without a tripod or flash unit and the easier the use of selective focus for creative composition. High lens speed and high performance, however, are difficult to reconcile. Still, the high standards employed in the design and production of Rollei lenses are your guarantee that even at full aperture your pictures will be brilliant and sharp from edge to edge.

Precise aperture control

The aperture, on the one hand, controls the amount of light reaching the film, on the other the depth of field in your pictures. At wide apertures, depth of field is shallow. Only the plane you have focused on will appear sharp, the fore and background being blurred. Owing to the almost circular shape of the lens aperture in Rollei lenses, the transition from sharp to blurred is very smooth and pleasing, while reflections in the blurred portions of the subject appear round and natural.

Manufacturer description #2

If Rollei shutter technology allows 1/500 s at oversize shutter openings, it is only logical that even faster speeds have become feasible with normal sizes. And in fact, Rollei has been able to overcome the technical limit of 1/500 s. Several focal lengths have meanwhile been fitted with the new Direct Drive Shutter that permits speeds up to 1/1000 s. These special shutter versions are designated PQS.

Zeiss Planar 80 mm f/2.8 HFT PQS: Classical standard lens for general use in practically all areas of photography. High speed and legendary sharpness – plus an ultra-fast 1/1000 second for moving subjects or as a safety margin when using high-speed film.

Typical application

landscapes, interiors, buildings, cityscapes, portraits, street, travel

Lenses with similar focal length and speed

Sorted by manufacturer name

Carl Zeiss Planar HFT 80mm F/2.8 (Rollei-HFT) BVI6x6Rolleiflex SLXPro
Rollei-HFT Planar 80mm F/2.8 EL ⌀676x6Rolleiflex SLXBudget seriesPro
Rollei-HFT Rolleigon 80mm F/2.8 ⌀676x6Rolleiflex SLXPro
Schneider-KREUZNACH Xenotar HFT 80mm F/2 PQ BVI6x6Rolleiflex SLXPro
Schneider-KREUZNACH Xenotar HFT 80mm F/2.8 PQS (DHW Fototechnik Apogon) BVI6x6Rolleiflex SLXPro
Small-batch production
Carl Zeiss Planar HFT 80mm F/2.8 PQS Gold BVI6x6Rolleiflex SLXPro 1994 

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35mm full frame

43.27 24 36
  • Dimensions: 36 × 24mm
  • Aspect ratio: 3:2
  • Diagonal: 43.27mm

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Image stabilizer

A technology used for reducing or even eliminating the effects of camera shake. Gyro sensors inside the lens detect camera shake and pass the data to a microcomputer. Then an image stabilization group of elements controlled by the microcomputer moves inside the lens and compensates camera shake in order to keep the image static on the imaging sensor or film.

The technology allows to increase the shutter speed by several stops and shoot handheld in such lighting conditions and at such focal lengths where without image stabilizer you have to use tripod, decrease the shutter speed and/or increase the ISO setting which can lead to blurry and noisy images.

MF

Sorry, no additional information is available.

Original name

Lens name as indicated on the lens barrel (usually on the front ring). With lenses from film era, may vary slightly from batch to batch.

Format

Format refers to the shape and size of film or image sensor.

35mm is the common name of the 36x24mm film format or image sensor format. It has an aspect ratio of 3:2, and a diagonal measurement of approximately 43mm. The name originates with the total width of the 135 film which was the primary medium of the format prior to the invention of the full frame digital SLR. Historically the 35mm format was sometimes called small format to distinguish it from the medium and large formats.

APS-C is an image sensor format approximately equivalent in size to the film negatives of 25.1x16.7mm with an aspect ratio of 3:2.

Medium format is a film format or image sensor format larger than 36x24mm (35mm) but smaller than 4x5in (large format).

Angle of view

Angle of view describes the angular extent of a given scene that is imaged by a camera. It is used interchangeably with the more general term field of view.

As the focal length changes, the angle of view also changes. The shorter the focal length (eg 18mm), the wider the angle of view. Conversely, the longer the focal length (eg 55mm), the smaller the angle of view.

A camera's angle of view depends not only on the lens, but also on the sensor. Imaging sensors are sometimes smaller than 35mm film frame, and this causes the lens to have a narrower angle of view than with 35mm film, by a certain factor for each sensor (called the crop factor).

This website does not use the angles of view provided by lens manufacturers, but calculates them automatically by the following formula: 114.6 * arctan (21.622 / CF * FL),

where:

CF – crop-factor of a sensor,
FL – focal length of a lens.

Mount

A lens mount is an interface — mechanical and often also electrical — between a camera body and a lens.

A lens mount may be a screw-threaded type, a bayonet-type, or a breech-lock type. Modern camera lens mounts are of the bayonet type, because the bayonet mechanism precisely aligns mechanical and electrical features between lens and body, unlike screw-threaded mounts.

Lens mounts of competing manufacturers (Canon, Nikon, Pentax, Sony etc.) are always incompatible. In addition to the mechanical and electrical interface variations, the flange focal distance from the lens mount to the film or sensor can also be different.

Lens construction

Lens construction – a specific arrangement of elements and groups that make up the optical design, including type and size of elements, type of used materials etc.

Element - an individual piece of glass which makes up one component of a photographic lens. Photographic lenses are nearly always built up of multiple such elements.

Group – a cemented together pieces of glass which form a single unit or an individual piece of glass. The advantage is that there is no glass-air surfaces between cemented together pieces of glass, which reduces reflections.

Flange focal distance

The flange focal distance (FFD), sometimes called the "flange back", is the distance from the mechanical rear end surface of the lens mount to the focal plane.

Focal length

The focal length is the factor that determines the size of the image reproduced on the focal plane, picture angle which covers the area of the subject to be photographed, depth of field, etc.

Speed

The largest opening or stop at which a lens can be used is referred to as the speed of the lens. The larger the maximum aperture is, the faster the lens is considered to be. Lenses that offer a large maximum aperture are commonly referred to as fast lenses, and lenses with smaller maximum aperture are regarded as slow.

In low-light situations, having a wider maximum aperture means that you can shoot at a faster shutter speed or work at a lower ISO, or both.

Closest focusing distance

The minimum distance from the focal plane (film or sensor) to the subject where the lens is still able to focus.

Closest working distance

The distance from the front edge of the lens to the subject at the maximum magnification.

Magnification ratio

Determines how large the subject will appear in the final image. For example, a magnification ratio of 1:1 means that the image of the subject formed on the film or sensor will be the same size as the subject in real life. For this reason, a 1:1 ratio is often called "life-size".

Electromagnetic diaphragm control system

Provides highly accurate diaphragm control and stable auto exposure performance during continuous shooting.

Convex protruding front element

The convex front element protrudes from the lens barrel, making it impossible to use filters.

Manual diaphragm

The diaphragm must be stopped down manually by rotating the detent aperture ring.

Preset diaphragm

The lens has two rings, one is for pre-setting, while the other is for normal diaphragm adjustment. The first ring must be set at the desired aperture, the second ring then should be fully opened for focusing, and turned back for stop down to the pre-set value.

Semi-automatic diaphragm

The lens features spring mechanism in the diaphragm, triggered by the shutter release, which stops down the diaphragm to the pre-set value. The spring needs to be reset manually after each exposure to re-open diaphragm to its maximum value.

Automatic diaphragm

The camera automatically closes the diaphragm down during the shutter operation. On completion of the exposure, the diaphragm re-opens to its maximum value.

Number of blades

As a general rule, the more blades that are used to create the aperture opening in the lens, the rounder the out-of-focus highlights will be.

Some lenses are designed with curved diaphragm blades, so the roundness of the aperture comes not from the number of blades, but from their shape. However, the fewer blades the diaphragm has, the more difficult it is to form a circle, regardless of rounded edges.

At maximum aperture, the opening will be circular regardless of the number of blades.

Weight

Excluding case or pouch, caps and other detachable accessories (lens hood, close-up adapter, tripod adapter etc.).

Maximum diameter x Length

Excluding case or pouch, caps and other detachable accessories (lens hood, close-up adapter, tripod adapter etc.).

For lenses with collapsible design, the length is indicated for the working (retracted) state.

Weather sealing

A rubber material which is inserted in between each externally exposed part (manual focus and zoom rings, buttons, switch panels etc.) to ensure it is properly sealed against dust and moisture.

Lenses that accept front mounted filters typically do not have gaskets behind the filter mount. It is recommended to use a filter for complete weather resistance when desired.

Fluorine coating

Helps keep lenses clean by reducing the possibility of dust and dirt adhering to the lens and by facilitating cleaning should the need arise. Applied to the outer surface of the front and/or rear lens elements over multi-coatings.

Filters

Lens filters are accessories that can protect lenses from dirt and damage, enhance colors, minimize glare and reflections, and add creative effects to images.

Lens hood

A lens hood or lens shade is a device used on the end of a lens to block the sun or other light source in order to prevent glare and lens flare. Flare occurs when stray light strikes the front element of a lens and then bounces around within the lens. This stray light often comes from very bright light sources, such as the sun, bright studio lights, or a bright white background.

The geometry of the lens hood can vary from a plain cylindrical or conical section to a more complex shape, sometimes called a petal, tulip, or flower hood. This allows the lens hood to block stray light with the higher portions of the lens hood, while allowing more light into the corners of the image through the lowered portions of the hood.

Lens hoods are more prominent in long focus lenses because they have a smaller viewing angle than that of wide-angle lenses. For wide angle lenses, the length of the hood cannot be as long as those for telephoto lenses, as a longer hood would enter the wider field of view of the lens.

Lens hoods are often designed to fit onto the matching lens facing either forward, for normal use, or backwards, so that the hood may be stored with the lens without occupying much additional space. In addition, lens hoods can offer some degree of physical protection for the lens due to the hood extending farther than the lens itself.