Archived posting to the Leica Users Group, 2007/11/11
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Len, Auto iso is swell if you're shooting sports - you want a specific DoF, you also need to set a high speed, what other parameter could be adjusted swiftly? ISO. That's the idea I guess. Instead of two, the camera will process a third parameters without you changing, either film or body, or fiddling through sub-menus for ISO. KISS in three D ;-) Yours Phil...x Leonard Taupier wrote: > I have never used Auto ISO on any camera, ever. I especially wouldn't > want it on a M8. Not enough choices and noise performance not good > enough. The 5D would be OK. To me you are relying on some firmware > writer somewhere to make an arbitrary adjustment the photographer > should be making. AE is different. Any shutter speed I can handhold > without shaking is OK by me. > > With that said If the photographer is happy with Auto ISO, I guess > that's all that counts. Different strokes. > > Len > > > On Nov 11, 2007, at 6:40 AM, Mark Rabiner wrote: > >>> I don't think the fuzzy logic is as good as our artistic judgement >>> in this >>> case. It may well be imperfect but it is ours. Yes you >>> will more likely get a usable exposure. It may not be what you >>> envisioned >>> though. Also, at least with the digi compacts the ASA >>> variation will be native or overamplification mode. Exposure >>> decision might >>> typically be a wide open or stopped right down decision. >>> Similarly to focus zone decisions. You are not talking about >>> continuously >>> variable options. Simple functions only. I sure don't want >>> any M digital taking away that functionality from me. There are a >>> plethora of >>> DSLR choices if you want clever mode or need what they >>> can do for you (yes I know they are supremely versatile). The whole >>> raison >>> d'?tre for the M8 is that it is an M. You make the >>> decisions in every aspect. What you input will be what comes out, in >>> superlative quality with the best glass in the world. Try to >>> turn it into a Nikon or Canon and you get a superbly screwed >>> together quaint >>> camera that is not as clever and costs a LOT. >>> >>> Rant off. >>> Cheers >>> Hoppy >>> >> >> >> The M8 is an M its a digital M7 as it's got an A setting. >> You can set an f stop and the shutter speed will automatically match >> it. >> Plenty of people in the 90s were saying before the M7 came out that >> a Leica >> with an A setting would not be a Leica. Not be an M or whatever. >> Maybe they've chosen to not use their A setting on their M7 or M8. >> I doubt it though. >> A is great and most people know it. >> We'd have P as well but the lenses won't budge. Won't go into auto. >> So we cant have both auto shutter speed as well as auto aperture. >> Only auto shutter speed. >> Too bad but we can live with it. >> >> But there is another variable we CAN have. >> >> The M8 is an M its a digital M7 as it's got an A setting. And it shoots >> digital film which is a variable from shot to shot. Just like the >> shutter >> speed. >> It can be any ISO it wants on every frame just like it could vary >> the ISO >> from frame to frame. So that's an option such a camera can have. >> It can vary the shutter speed to match the f stop that you want and >> when >> that shutter speed gets below what you have the auto ISO at; >> say a 30th; your ISO increases instead of shooting at shutter speeds >> lower >> than a 30th. You'd set that in the menus like you do with the Nikons >> and >> Canons. >> And why that would not be a welcome option is not obvious from this >> post. >> What seems clear from the writing is the writer has no experience >> with auto >> ISO and is only guessing how it works. >> >> The auto ISO option is ok for a D=SLR but NOT a D-rangefinder? >> I'm not hearing why. And I'd love to hear a reason as I cant imagine >> one. >> >> Just like the A feature on the M7 or 8 if our delicate Leica >> sensibilities >> are offended we can just not use it and choose to go full manual. >> >> >> By the way when shooting in Manual mode on my D200 I can still use auto >> ISO!!! >> >> That way setting BOTH the f stop and the shutter speed to what I want. >> The auto ISO is the auto matic aspect which sets the ISO to match >> that f >> stop and shutter speed you've set on your camera to the light >> entering the >> lens. >> >> So its an A setting with no camera function auto variables such as F >> stop or >> shutter speed. The variable is of course the ISO itself. >> >> This is a quite elegant way to shoot. >> Leica-like if you ask me. I have experience with shooting Leicas. So >> I can >> make that kind of statement I guess. Also experience with shooting DSLR >> cameras which auto ISO. >> >> >> >> >> Mark William Rabiner >> markrabiner.com >> >> >> >> >> _______________________________________________ >> 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 >