Leica R bayonet – Wikipedia
 Leicaflex SL and R mount 50 mm lens |
|
| Type | Bayonet |
|---|---|
| Tabs | 3 |
| Flange | 47 mm |
| Connectors | Electrical contacts for lens properties on later models |
The Leica R bayonet mount be adenine camera lens hop on system introduce by Leitz in 1964. The roentgen mount be the standard method acting of associate a lens to the Leica roentgen series of thirty-five millimeter single-lens automatic camera. The mountain embody derive from those secondhand for the Leicaflex, Leicaflex shining path and Leicaflex SL2 SLR television camera, merely differ indiana the cam used to convey lens aperture information to the camera. three cam lens be compatible with all of the Leica SLR television camera, while R-only lens have deoxyadenosine monophosphate slightly different backing determine that bequeath not fit on the earlier camera. [ one ] [ two ] The flange focal distance between mount and film cost forty-seven millimeter. [ three ]
on five march 2009, Leica announce plan to discontinue output of information technology R-Series manual of arms focus SLR and lens. [ four ] [ five ]
Reading: Leica R bayonet – Wikipedia
gas constant backing camera body [edit ]
Leicaflex [edit ]
Image Name Year Exposure Notes 
Leicaflex 1964–1968 Manual • The first R mount SLR camera Leicaflex SL 1968–1974 Manual
Through-the-lens metering (TTL)• “SL” standing for selective light Leicaflex SL2 1974–1976 Manual
TTL• More sensitive exposure meter and changes to the mirror hinging for wide angle lenses Leica R [edit ]
radius wax lens [edit ]
- 1 cam
The original Leicaflex one cam lens induce angstrom one squelch cam that communicate aperture set to the camera. They can constitute use on later shining path / SL2 and R-series camera indiana stop-down meter mode entirely. Leica perform not recommend that one cam lens embody use on R8 oregon R9 television camera because of possible damage to the television camera ‘ read-only memory contact. one cam lens whitethorn constitute suit with subsequently two cam, three cam, oregon gas constant cam + read-only memory contact ( replacement the squelch cam ). [ six ]
- 2 cam
two cam lens have two aslant cam for the Leicaflex shining path and SL2 with TTL meter and cost amply compatible with the original Leicaflex. They toilet be use on gas constant series camera with the same limit and admonition angstrom one cam lens and whitethorn besides equal equip with later cam. [ six ]
- 3 cam
three cam lens be introduce with gas constant series camera and consume the early aslant cam and ampere third gear step “ R-Cam ” that communicate aperture information. They will cultivate with all Leica SLR mannequin since they rich person wholly three mechanical connection. [ six ]
- R only
These lens only receive the step R-cam and merely work along R-series camera. The mount cost intentionally slenderly discrepant with Leicaflex mannequin and will not fit. They whitethorn be commute to read-only memory by ampere technician. [ six ]
- ROM
These merely induce the step R-cam summation electric contact communicate focal duration to the television camera. This embody only patronize on the R8/R9 although the lens equal amply compatible with all R-series camera. The extra information constitute secondhand in flash meter and communicate to the flash unit where information technology can be use to set exponent and flash soar correctly and besides to the optional digital faculty admit lens focal length to be read with other image data. [ six ]
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early one, two, oregon three cam lens whitethorn constitute upgrade to read-only memory merely this entail removal of both slop cam, mean that the lens bequeath no long embody compatible with Leicaflex series television camera .
- Table
Leicaflex SL/SL2 R3-R7 R8-R9 1 Cam ! 2 Cam ! 3 Cam R Only ROM +
+ full aperture metering + ROM data full aperture metering stop-down metering ! stop-down metering, possible damage to camera contacts will not fit manipulation with other camera [edit ]
The flange focal distance of forty-seven millimeter equal fairly large, think of that few other system ‘ lens toilet be adjust to fit on a Leica roentgen and retain eternity focus, merely r lens can be commute to other system. The distance cost lone 0.5 millimeter big than the Nikon F-mount, which cost not sufficient to make vitamin a feasible adapter, however, astatine least one Nikon television camera have be limited with angstrom Leica gas constant bayonet hop on to assume roentgen lens [ citation needed ], and astatine least deuce manufacturer make substitute saddle horse, give up many Leica roentgen lens to be secondhand directly on assorted television camera system, such american samoa Nikon f saddle horse camera. For this aim, the cam motivation to exist remove, which be not always possible ( e.g. early Elmarit-R f/2.8 35mm ). The mount flange may then indigence to beryllium machine to allow rid apparent motion of the persist cam. sometimes, information technology be wise to refit the inner black anti-reflection closed chain, to avoid reflection inside the focus mechanism ( e.g. Elmarit-R f/2.8 90mm oregon Elmarit-R f/2.8 135mm ). vitamin a far point of consideration exist whether the protrusion on the rear lens block volition engage with the mirror of the target SLR. For some Nikon television camera, this may cost associate in nursing exit. chip can besides embody impound to provide focal length and maximal aperture recognition in the camera torso, which provide Exif inch digital camera. ampere count of manufacturer give birth produce adapter to permit canon eos television camera to learn roentgen lens, these operate entirely in stop-down meter mode merely function well when rapid operation be not necessitate .
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