Canon 50mm F/1.8 III

Standard prime lens • Film era • Discontinued

III Third generation.
Canon 50mm F/1.8 III

Model history

Canon 50mm F/1.8 IIIM6 - 41m⌀40 1958 
Canon 50mm F/1.8 IIM6 - 41m⌀40 1956 
Canon Serenar 50mm F/1.8 IM6 - 41m⌀40 1951 

Canon IIB

35mm MF film rangefinder camera

Announced:1949
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/500 + B
Exposure metering:No
Dimensions:135.5x71.5x30.2mm (*)
Weight:630g (*)

* - with Canon Serenar 50mm F/1.9

Canon IIA

35mm MF film rangefinder camera

Announced:1951
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/1000 + B
Exposure metering:No
Dimensions:136x72.2x31mm

Canon IIC

35mm MF film rangefinder camera

Announced:1951
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/500 + B
Exposure metering:No
Dimensions:136x72.2x30.5mm (*)
Weight:720g (*)

* - with Canon Serenar 50mm F/1.9

Canon III

35mm MF film rangefinder camera

Announced:1951
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/1000 + B
Exposure metering:No
Dimensions:136x72.2x30.5mm (*)
Weight:720g (*)

* - with Canon Serenar 50mm F/1.9

Canon IV

35mm MF film rangefinder camera

Announced:1951
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/1000 + B
Exposure metering:No
Dimensions:140x72.2x69mm (*)
Weight:785g (*)

* - with Canon Serenar 50mm F/1.9

Canon IIAF

35mm MF film rangefinder camera

Announced:1952
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/500 + B
Exposure metering:No
Dimensions:136x72.2x31mm

Canon IID

35mm MF film rangefinder camera

Announced:1952
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/500 + B
Exposure metering:No
Dimensions:136x72.2x31mm (*)
Weight:800g (*)

* - with Canon Serenar 50mm F/2.8

Canon IID1

35mm MF film rangefinder camera

Announced:1952
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/500 + B
Exposure metering:No
Dimensions:136x72.2x31mm
Weight:800g

Canon IIIA

35mm MF film rangefinder camera

Announced:1952
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/1000 + B
Exposure metering:No
Dimensions:136x72.2x30.5mm (*)
Weight:790g (*)

* - with Canon Serenar 50mm F/1.8

Canon IVF

35mm MF film rangefinder camera

Announced:1952
Mount:M39
Format:36 × 24mm

Canon IVS

35mm MF film rangefinder camera

Announced:1952
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/1000 + B
Exposure metering:No
Dimensions:140x72.2x67mm (*)
Weight:790g (*)

* - with Canon Serenar 50mm F/1.8

Canon IVSB

35mm MF film rangefinder camera

Also known as:Canon IVS2
Announced:1952
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/1000 + B
Exposure metering:No
Dimensions:140x72.2x67mm (*)
Weight:790g (*)

* - with Canon 50mm F/1.8

Canon IIAX

35mm MF film rangefinder camera

Announced:1953
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/500 + B
Exposure metering:No
Dimensions:136x72.2x31mm

Canon IIF

35mm MF film rangefinder camera

Announced:1953
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/500 + B
Exposure metering:No
Dimensions:136x72.2x31mm

Canon IIS

35mm MF film rangefinder camera

Announced:1954
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/500 + B
Exposure metering:No
Dimensions:136x72.2x31mm (*)
Weight:810g (*)

* - with Canon 50mm F/1.8

Canon IIS2

35mm MF film rangefinder camera

Announced:1954
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/500 + B
Exposure metering:No
Dimensions:140x72x70mm (*)
Weight:790g (*)

* - with Canon 50mm F/1.8

Canon IVSB2

35mm MF film rangefinder camera

Announced:1954
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/500 + B
Exposure metering:No
Dimensions:136x72.2x31mm (*)
Weight:815g (*)

* - with Canon 50mm F/1.8

Canon IID2

35mm MF film rangefinder camera

Announced:1955
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/500 + B
Exposure metering:No
Dimensions:136x72x71mm (*)
Weight:640g (*)

* - with Canon 50mm F/2.8

Canon IIF2

35mm MF film rangefinder camera

Announced:1955
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/500 + B
Exposure metering:No
Dimensions:140x72x32mm
Weight:500g

Canon L2

35mm MF film rangefinder camera

Announced:1956
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/500 + B
Exposure metering:No
Dimensions:143x76x34mm
Weight:530g

Canon VT

35mm MF film rangefinder camera

Announced:1956
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/1000 + B
Exposure metering:No
Dimensions:144x81x36mm (*)
Weight:815g (*)

* - with Canon 50mm F/1.8

Canon L1

35mm MF film rangefinder camera

Announced:1957
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/1000 + B
Exposure metering:No
Dimensions:145x76x34mm (*)
Weight:915g (*)

* - with Canon 50mm F/1.2

Canon L3

35mm MF film rangefinder camera

Announced:1957
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/500 + B
Exposure metering:No
Dimensions:143x76x34mm
Weight:530g

Canon VT de luxe

35mm MF film rangefinder camera

Announced:1957
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/1000 + B
Exposure metering:No
Dimensions:144x81x34mm (*)
Weight:985g (*)

* - with Canon 50mm F/1.2

Canon VI-L

35mm MF film rangefinder camera

Announced:1958
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/1000 + B
Exposure metering:No
Dimensions:144x76x34mm
Weight:940g

Canon VI-T

35mm MF film rangefinder camera

Announced:1958
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/1000 + B
Exposure metering:No
Dimensions:144x81x34mm (*)
Weight:995g (*)

* - with Canon 50mm F/1.2

Canon VL

35mm MF film rangefinder camera

Announced:1958
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/1000 + B
Exposure metering:No
Dimensions:145x76x34mm (*)
Weight:940g (*)

* - with Canon 50mm F/1.2

Canon VL2

35mm MF film rangefinder camera

Announced:1958
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/500 + B
Exposure metering:No
Dimensions:143x76x34mm
Weight:940g

Canon P

35mm MF film rangefinder camera

Announced:1959
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/1000 + B
Exposure metering:No
Dimensions:144x76x71mm (*)
Weight:790g (*)

* - with Canon 50mm F/2.8

Canon 7

35mm MF film rangefinder camera

Announced:1961
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/1000 + B, T
Exposure metering:Through the separate window
Dimensions:140x81x31mm
Weight:670g

Canon 7s

35mm MF film rangefinder camera

Announced:1965
Mount:M39
Format:36 × 24mm
Shutter type:Focal-plane
Shutter model:Mechanical
Speeds:1 - 1/1000 + B, T
Exposure metering:Through the separate window
Dimensions:140x81x31mm
Weight:630g

Designed for

Features highlight

Fast
Manual
9 blades
MF
Compact
Lightweight

Specification

Some basic information is missing as it was not provided by the manufacturer.

Production details
Announced:December 1958
Production status:Discontinued
Production type:Mass production
Original name:Canon Camera Co., Inc. CANON LENS 50mm 1:1.8
Optical design
Focal length:50mm
Speed:F/1.8
Maximum format:35mm full frame
Mount:M39
Flange focal distance:28.8mm
Diagonal angle of view:46.8° (35mm full frame)
Lens construction:6 elements - 4 groups
Diaphragm mechanism
Diaphragm type:Manual
Number of blades:9
Focusing
Coupled to the rangefinder:Yes
Closest focusing distance:1m (coupled focusing)
Maximum magnification ratio:<No information>
Focusing method:<No information>
Focusing modes:Manual focus only
Manual focus control:Focusing ring
Physical characteristics
Weight:188g
Maximum diameter x Length:⌀48×39.3mm
Accessories
Filters:Screw-type 40mm
Lens hood:<No information>

Typical application

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

Lenses with similar focal length and speed

Sorted by manufacturer name

Canon 50mm F/1.2 ⌀55 1956 
Canon 50mm F/1.4 I ⌀48 1957 
Canon 50mm F/1.4 II ⌀48 1959 
Canon 50mm F/1.5 ⌀40 1952 
Canon 50mm F/1.8 II ⌀40 1956 
Canon 50mm F/2.2 ⌀40 1961 
Canon 50mm F/2.8 I ⌀34 1955 
Canon 50mm F/2.8 II ⌀40 1957 
Canon 50mm F/2.8 III ⌀40 1959 
Canon Serenar 50mm F/1.8 I ⌀40 1951 
Canon Serenar 50mm F/1.9 ⌀40 1949 
Chiyoda Kogaku Super Rokkor 50mm F/1.8 ⌀46 1958 
Chiyoko Super Rokkor 45mm F/2.8 (C) 1947 
Chiyoko Super Rokkor 50mm F/2 ⌀40.5 1955 
Chiyoko Super Rokkor 50mm F/2 (C) ⌀43 1955 
Chiyoko Super Rokkor 50mm F/2.8 (C) ⌀40.5 1954 
Fuji Photo Film Fujinon 50mm F/1.2 1954 
Konishiroku Hexanon 50mm F/1.9 ⌀40.5 1956 
Leica Summicron 50mm F/2 E39 1999 
Leica Summilux 50mm F/1.4 E46 1999 
Leitz (Wetzlar) Summar 50mm F/2 A36 1933 
Leitz (Wetzlar) Summitar 50mm F/2 E36 1939 
Leitz Hektor 50mm F/2.5 E21 1931 
Leitz Wetzlar (Canada) Summarit 50mm F/1.5 E41 1949 
Leitz Wetzlar Elmar 50mm F/2.8 (I) E39, A42 1957 
Leitz Wetzlar Summicron 50mm F/2 (I) E39 1953 
Leitz Wetzlar Summicron 50mm F/2 (II) E39 1956 
Leitz Wetzlar Summilux 50mm F/1.4 (I) E43 1959 
Leitz Wetzlar Xenon 50mm F/1.5 A51 1936 
Nikon Nikkor-H(·C) 50mm F/2 S.VI 1950 
Nikon Nikkor-H·C 50mm F/2 S.VI 1946 
Nikon Nikkor-N 50mm F/1.1 ⌀62 1959 
Nikon Nikkor-N(·C) 50mm F/1.1 ⌀62 1956 
Nikon Nikkor-S(·C) 50mm F/1.4 S.VII 1950 
Nikon Nikkor-S·C 50mm F/1.5 ⌀40.5 1949 
Teikoku Kogaku (Zunow Opt.) ZUNOW 50mm F/1.1 ⌀54.5 1955 
Teikoku Kogaku ZUNOW 50mm F/1.1 1953 
Voigtlander Nokton 50mm F/1.5
Yashica (Super-)Yashinon 50mm F/1.8 ⌀43 1959 
Yashica Yashikor 50mm F/2.8 (I) ⌀40.5 1959 
Yashica Yashikor 50mm F/2.8 (II) ⌀40.5 1959 
Small-batch production
Cosina Voigtlander Color-Skopar 50mm F/2.5 LTM ⌀39 2002 
Cosina Voigtlander Heliar 50mm F/2 LTM (Cosina 50th Anniversary, Bessa 10th Anniversary) ⌀39 2009 
Cosina Voigtlander Nokton 50mm F/1.5 Aspherical LTM ⌀52 1999 
Konica Hexanon 50mm F/2.4 ⌀40.5 1997 

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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 fast standard primes

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

Unable to follow the link

You are already on the page dedicated to this lens.

Cannot perform comparison

Cannot compare the lens to itself.

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.

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.