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#11
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MF & Technical Pan, looking for optimum sharpness
"Philippe Lauwers" wrote in message i.nl... [SNIP] And what exactly is this 'film set' ? I suppose my not being a native speaker is the reason why I don't completely understand. Philippe Philippe, The 'set' Larry is referring to is in a Hasselblad, the path of the film takes several twists and turns. If the film is loaded in the camera back and left to sit for some time before use, the film takes a 'set' and creates a hump that effects film flatness. Larry say this hump usually shows up on the second frame. I don't dispute this possibility. It's also one of the reasons I choose a Rollei over a 'Blad. A way around this will be; load the camera film back at the scene and use the roll rather quickly (in the same day at least) so the film does not sit in one place too long. Hope this helps you. Jim __________________________________________________ _____________________________ Posted Via Uncensored-News.Com - Accounts Starting At $6.95 - http://www.uncensored-news.com The Worlds Uncensored News Source |
#12
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MF & Technical Pan, looking for optimum sharpness
"Jim Phelps" writes:
A way around this will be; load the camera film back at the scene and use the roll rather quickly (in the same day at least) so the film does not sit in one place too long. Or use a Mk 70 -- Paul Repacholi 1 Crescent Rd., +61 (08) 9257-1001 Kalamunda. West Australia 6076 comp.os.vms,- The Older, Grumpier Slashdot Raw, Cooked or Well-done, it's all half baked. EPIC, The Architecture of the future, always has been, always will be. |
#13
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MF & Technical Pan, looking for optimum sharpness
A way around this will be; load the camera film back at the scene and use
the roll rather quickly (in the same day at least) so the film does not sit in one place too long. Actually, I did some test on this using Tech-pan. The film will "set" in as little as 5 minutes. It's very visable on the second frame with some on the third. To be visable, you must use resolution targets and a 20x loupe to see it. Also, the set seems to go away if the second frame is not used in about 5 minutes. Usually at a wedding with 160 type film this is only a minor problem as your taking pictures all the time. Also, the film is only half the resolution of Tech Pan so it's not as sensitive to film bulges. This business of saying this is sharper then that without using resolution targets is like saying this car is faster then that without knowing anything about a speedometer. Larry |
#14
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MF & Technical Pan, looking for optimum sharpness
"Martin Jangowski" wrote in message
... My experience with Techpan is that it's very fine grain, but not optimum sharpness. There is a thing like "visible sharpness", and this isn't reflected in RMS [...] I have the very same notion. Apparent ("visible") sharpness is made via edge effects, and a very fine, smooth grain isn't likely to have ot. "Creamy" is how I describe many fine-grain films. It's good, or not, depending on your likes. Oof the reasons I just friggin hate Kodak's T-Grain films is because it is the worst combination of 'kinda' fine grain without a chance of edge sharpness. |
#15
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MF & Technical Pan, looking for optimum sharpness
Use a tripod (goes without saying). a what ? ;-) (grin) |
#16
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MF & Technical Pan, looking for optimum sharpness
"Hemi4268" wrote in message ... A way around this will be; load the camera film back at the scene and use the roll rather quickly (in the same day at least) so the film does not sit in one place too long. Actually, I did some test on this using Tech-pan. The film will "set" in as little as 5 minutes. It's very visable on the second frame with some on the third. To be visable, you must use resolution targets and a 20x loupe to see it. Also, the set seems to go away if the second frame is not used in about 5 minutes. [Snip] 5 minutes and it takes a set. Wow, I know Tech Pan has a thinner and therefore an assumed more fragile base, but I would have also thought it to be more flexible. Stranger things. Jim |
#17
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MF & Technical Pan, looking for optimum sharpness
5 minutes and it takes a set. Wow, I know Tech Pan has a thinner and
therefore an assumed more fragile base, but I would have also thought it to be more flexible. On the other side it takes about 5 minutes to flaten out. Larry |
#18
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MF & Technical Pan, looking for optimum sharpness
"Philippe Lauwers" wrote: Use a tripod (goes without saying). a what ? ;-) (grin) One of these: http://www.pbase.com/image/26582234/large (Oops) David J. Littleboy Tokyo, Japan |
#19
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MF & Technical Pan, looking for optimum sharpness
"David J. Littleboy" schreef in bericht ... "Philippe Lauwers" wrote: Use a tripod (goes without saying). a what ? ;-) (grin) One of these: http://www.pbase.com/image/26582234/large (Oops) David J. Littleboy Tokyo, Japan Do you really own two of those ? |
#20
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MF & Technical Pan, looking for optimum sharpness
"David J. Littleboy" wrote in message ... "Philippe Lauwers" wrote: Use a tripod (goes without saying). a what ? ;-) (grin) One of these: http://www.pbase.com/image/26582234/large (Oops) So was this one from the same site: http://www.pbase.com/image/20931312 |
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