Carl Zeiss Mirotar 500mm F/4.5

Super telephoto prime lens • Film era • Discontinued

Carl Zeiss Mirotar 500mm F/4.5

Model history ⋅ モデル履歴

Carl Zeiss Mirotar 500mm F/4.5--5 - 53.5m-- 1975 
Carl Zeiss Contarex Mirotar 500mm F/4.5--5 - 54m-- 1963 

Specification ⋅ 仕様

Production status and name ⋅ 生産状況と名称
Announced ⋅ 発表: 1975
Production status ⋅ 生産状況: Discontinued ⋅ 製造中止
Original name ⋅ 元の名前: Carl Zeiss Mirotar 1:4,5 f=500mm
Optical design ⋅ 光学設計
Maximum format ⋅ 最大フォーマット: 35mm full frame ⋅ 35mmフルフレーム
Mount ⋅ マウント: Interchangeable mount ⋅ 交換可能なマウント
Diagonal angle of view ⋅ 対角画角: (35mm full frame ⋅ 35mmフルフレーム)
Lens construction ⋅ レンズ構造: 5 elements ⋅ 要素 - 5 groups ⋅ グループ
Diaphragm mechanism ⋅ ダイヤフラムメカニズム
Diaphragm type ⋅ ダイヤフラムタイプ: Fixed ⋅ 変更できません
Number of blades ⋅ 絞り羽根の数: -
Focusing ⋅ フォーカシング
Closest focusing distance ⋅ 最短撮影距離: 3.5m
Maximum magnification ratio ⋅ 最大倍率: 1:4 at the closest focusing distance ⋅ 最寄りの距離で
Focusing method ⋅ フォーカシング方法: <No information ⋅ 情報なし>
Focusing modes ⋅ フォーカシングモード: Manual focus only ⋅ マニュアルフォーカスのみ
Manual focus control ⋅ マニュアルフォーカス制御: Rack-and-pinion mechanism ⋅ ラックアンドピニオン機構
Physical characteristics ⋅ 体格的特徴
Weight ⋅ 重量: 4500g
Maximum diameter x Length ⋅ 最大直径x長さ: ⌀193×235mm
Accessories ⋅ 付属品
Filters ⋅ フィルタ: Removable front filters are not accepted ⋅ 取り外し可能なフロントフィルターは使用できません
Additional features ⋅ 追加機能: Drop-in filter holder ⋅ ドロップインフィルターホルダー (49mm)
Lens hood ⋅ レンズフード: Not available ⋅ 利用不可

Manufacturer description

The basic design of the Mirotar® - concave primary mirror with a hole in the center and convex secondary mirror - is similar to the design frequently applied in astronomical telescopes. It further contains two lens elements in front of and two behind the mirror surfaces. They reduce the aberrations caused by the mirror to a minimum.

Whereas conventional lenses with a long focal length and apertures larger than f/8 exhibit disturbing chromatic aberrations, these are completely eliminated when mirrors are used. The elements employed for correction in the mirror lens are of low refractive power and are chromatically corrected so that the focus is maintained over the entire photographic spectrum. Even in IR photography, the focus is retained once it has been set visually.

The very high uniform image quality of the Mirotar® is due not only to the extremely good overall correction, but also to the meticulous care taken in the production of the mirror and lens systems, the mounts and in the assembly of the lens. Distant objects are imaged with keen definition in every detail. Pictures taken with the Mirotar® lens thus permit considerable subsequent enlargement. The high speed permits press and wildlife photography even under unfavorable light conditions.

From the editor ⋅ 編集者から

The lens is based on the Carl Zeiss Mirotar 500mm F/4.5 lens for Contarex series 35mm SLR cameras but has interchangeable mount instead of fixed. Contax/Yashica and Rollei QBM adapters were available for this lens.

Slide type filters (IR, O, Y, UV) and a leather case were part of the package. 3-position turret mount for neutral density filters can be used for adjusting the exposure.

Smaller diameter and weight are stated in Contax/Yashica brochures: ⌀151x225.

Typical application ⋅ 典型的なアプリケーション

distant subjects ⋅ 遠方の被写体, distant landscapes with perspective compression effect ⋅ 遠近法による圧縮効果のある遠景, wild nature ⋅ 野生の自然

Recommendations ⋅ 推奨事項

  • Use of a tripod is needed due to heavy weight of the lens

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35mm full frame

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

Travellers' choice

Note

Among autofocus lenses designed for 35mm full-frame mirrorless cameras only. Speed of standard and telephoto lenses is taken into account.

One of the best slow super telephoto primes

According to lens-db.com; among lenses designed for the same maximum format and mount.

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Mirror/Reflex lens

A lens based on design principles used in large astronomical telescopes. It is a combination of mirror and lens elements. Incoming light is reflected twice on the mirror surfaces, resulting in compactness of the lens barrel and light weight relative to the focal length.

To adjust image brightness, neutral density or other filters are used, because lenses of this type are not equipped with diaphragms.

Sharpness of the focused image is unsurpassed because of the use of reflecting surfaces which do not cause any chromatic aberration.

Taken with this type of lens, the subjects in the out-of-focus range may appear as blurred rings or separate blurred lines.

Quality control issues

The manufacturer of this lens does not provide adequate quality control. If you do decide to purchase this lens, do not order it online, but choose the best copy available in the store. In any case, there may also be problems with the build quality, and warranty repairs can take months.

Model produced in a small batch. It is collectible and can only be found on the secondary market.

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Unique Zeiss Look

Zeiss lenses are one-of-a-kind optical masterpieces that are impressive because of their unique Zeiss Look. This is ensured through exceptional optical design combined with selected materials and the highest quality standards.

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.

Classic focal length

Standard focal length of super telephoto lenses for 35mm full-frame cameras. Lenses of this class are designed primarily for sports and wildlife photography.

MF

Sorry, no additional information is available.

Drop-in filter holder

A drop-in filter holder with a neutral filter comes with the lens. The holder accepts 49mm filters. The filter holder must be always in place because the filter is a part of the lens optical system.

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.

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.

Fixed diaphragm

The aperture setting is fixed at F/4.5 on this lens, and cannot be adjusted.

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.