Difference between VC R4A and R4M

[akdwivedi]

Hi

I have a couple of questions on Voighlander RF camera boedies and mounts

1) What is the difference between R4A and R4M?

2) Do R4 models support Aperture priority and shutter priority functions (like SLRs do). You set the aperture and shutter speed is automatically selected by the camera (and vice versa).

3) I see a lot of different mounts for VC camera bodies - LTM, M mount, VM mount.. what is the difference between these mounts.. Can VC R4 body work with older lenses (screw mount, LTM, M mounts) or will we be constrained to use only the VM mount lenses.

thanks in advance

regards
Andy

[MartinS]

Hi Andy,

Have you checked out Chiif's website? Just follow the link here to the R4A vs R4M bit.

http://www.chiifcameras.com/content/view/64/82/

Alternatively, you can check out this thread which has a post by Chiif about the difference between the two.

http://forums.clubsnap.org/showthrea...oigtlander+RM4

I personally have the R4M. Not sure how to answer your 3rd question though.

Martin

[enivre]

The R4 series will be able to take both M (VM i think refers to the same thing) mounts and LTM mounts. But for LTM mount you will need an adapter.

[chiif]

Originally Posted by akdwivedi Hi I have a couple of questions on Voighlander RF camera boedies and mounts 1) What is the difference between R4A and R4M? 2) Do R4 models support Aperture priority and shutter priority functions (like SLRs do). You set the aperture and shutter speed is automatically selected by the camera (and vice versa). 3) I see a lot of different mounts for VC camera bodies - LTM, M mount, VM mount.. what is the difference between these mounts.. Can VC R4 body work with older lenses (screw mount, LTM, M mounts) or will we be constrained to use only the VM mount lenses. thanks in advance regards Andy

Hi Andy,

Answer to your questions:

(1) R4M is fully mechanical, no AE mode, can fire without batteries. The battery is only required for the meter to function.

R4A is battery dependent. Needs batteries to fire as it's shutter is electronic. Has AE mode (Auto Exposure a.k.a aperture priority). That means, you set the aperture, the body will auto select the shutter speed based on the metering reading.

BUT not the other way round. You cannot select the shutter speed and let the body select the aperture for you, in other words, it's NOT shutter priority.

(3) VM (Voigtlander M mount) = M mount [Leica M mount standard]
You can use screw mount (LTM - Leica Thread Mount) on R4 bodies via the L-M adapter. There is no difference which adapter to use (35/135, 28/90, 50/75) as on Bessa R bodies, there is frameline selector to select which frameline to bring up.

BUT on Leica bodies, it makes a difference, as Leica bodies auto select the framelines.

Hope that helps. Any more questions, just give me a ring.

[akdwivedi]

thanks.. that was very helpful..