Archived posting to the Leica Users Group, 2008/02/02
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Daniel, Coupled RF's have been around for years on folders. The old 4x5 Speed Graphics had coupled Kalart RFs that connected to the focusing bed by a folding arm. As I recall, the Retina series of 35mm folders were also coupled. Jim Nichols Tullahoma, TN USA ----- Original Message ----- From: "Daniel Ridings" <dlridings@gmail.com> To: "Leica Users Group" <lug@leica-users.org> Sent: Saturday, February 02, 2008 2:30 AM Subject: Re: [Leica] It's a film camera! Rangefinder at that! > On Feb 2, 2008 8:55 AM, G Hopkinson <hoppyman@bigpond.net.au> wrote: > >> The linkage to the front, which looks to be relatively flimsy, I assumed >> was just for retraction as on the folders I have here. > > Yes, it does look flimsy and that is what suggests, for me, that it is > a rangefinder part rather than a part that is intended to lock and > stabilize the extended lens. > > I'm >> struggling to imagine how the coupled rangefinder you mention works. Do >> you have a model number I can search on for one of the >> originals? > > I think you can go after the Makina Plaubels. They'd probably be the > easiest to find descriptions of. > > You can't see it unless you know what you are looking at: > > http://www.rus-camera.com/camera.php?page=other&camera=iskra > > But on the Iskra, with the camera in your hands ready to use, at the > bottom left is an arm that goes back to the rangefinder. But you can't > really see all of it, just a part that sticks out, because it goes > under the bellows instead of over. > > I hope they don't waste money on developing "A" exposure for this. A > reliable shutter and aperture is enough. > > Daniel > > >> Regarding the metering, look at the dial on top nearest the viewfinder. >> It looks to have provision for ISO rating and also an A >> setting? A leaf shutter, as you say, ruins my TTL theory. Any non TTL >> metering implies a linkage, fascinating. >> Off this topic, I note Fuji's choice in very Nordic Booth babes in the >> article! Oh and no less than three new DSLRs from Sony. >> Cheers >> Geoff >> >> -----Original Message----- >> From: lug-bounces+hoppyman=bigpond.net.au@leica-users.org >> [mailto:lug-bounces+hoppyman=bigpond.net.au@leica-users.org] On Behalf Of >> >> Daniel Ridings >> Sent: Saturday, 2 February 2008 17:30 >> To: Leica Users Group >> Subject: Re: [Leica] It's a film camera! Rangefinder at that! >> >> On Feb 2, 2008 8:22 AM, G Hopkinson <hoppyman@bigpond.net.au> wrote: >> > Richard, I hadn't looked closely enough. It is a rangefinder! I see no >> > possible way this could be linked to the (tabbed) focus ring with a >> > folding bellows in between. >> >> You see that stabilizing arm extending from the body out to the lens >> head? It might be able to slide in and out, thus pushing a >> rangefinder mechanism here and there. >> >> > The old originals of course were just focussed by guess applied to the >> > focus ring distance scale manually. >> >> No, the Agfa's (later a Commie Iskra model), Zeiss-Ikon's and others had >> coupled rangefinders. >> >> >> > For exposure control I would guess that the lens is set exactly as per >> > an M, then the shutter speed is adjusted via the dial on top (complete >> > with A setting). An Auto setting implies that the metering >> is TTL! >> >> Who needs an exposure meter on one of these? I doubt seriously that it >> can be TTL. That would be assuming it has a focal plane >> shutter and it obviously has a leaf shutter. They open and close when you >> take the shot, so they are not letting any light through >> until then. It would be over-kill to have TTL with such a mechanism. >> >> Daniel >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >