Archived posting to the Leica Users Group, 2006/12/28
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Dear Frank, The DMR + R8 or R9 use a similar sensor than the M8, and the same shutter. The shutter was designed long before the DMR. The DMR is working up to 1/8000th in manual mode. Do you really think that the DMR is capable to order the R8/R9 shutter to slow down to 1/250 when manually set on 1/8000 on the camera body ? And how do you explain that on the DMR you can use the HSS flash mode, which is a high speed flash mode between 1/350 and 1/8000 ? AFAIK, the M8 and DMR sensors are both working with a slit shutter working steplessly up to 1/8000, as stated in all the Leica literature that you will find on the following web sites. Lucien http://www.dpreview.com/news/0609/06091501kodakccdleicam8.asp#press http://www.leica-camera.us/photography/r_system/digital-modul-r/ http://www.leica-camera.us/photography/m_system/m8/ Frank Filippone a wrote : > Since, according to drPreview, the "shutter" in the M8 seems alike > to the shutter in the R8 ( R9 ?), then I can makes some comment > on the M8 shutter .... If the shutter on the R8 is fully open at > one time up to 1/250 of a second, and then goes to a slit shutter > for high speeds; and if the shutter in the M8 is the same or > basically similar, then the maximum mechanical shutter speed available > in the M8 is the same, 1/250. This is true because the M8 must > have the entire sensor active at one time to get an image. A slit > shutter will not work. Further, there is no higher speed on the > mechanical shutter on the M8 than the 1/250 of a second, or what I > call a fully open shutter. Talking flash, there still is no reason > for limiting the flash to a shutter speed 1/250 that is obvious > at this point. > I am still open to correction and further information may require > that statement by me. But at this point, it is pretty clear to me > that the image capture in the M8 is totally digital. That the > shutter has no purpose in image capture, and therefore I call it a > baffle. > > What does all of this mean? That your M8 should never have to go > to the shop for a shutter CLA to make your camera capture images. > Not much more. But I did have a really good time reading timing > charts and understanding how the sensor works..... What's a few > hours of quiet reading worth? Priceless?