[pure-silver] Re: Stand developing/Efke

Hi Gene,

Inspired by your post I gave some out-dated 35mm PanF a try at 40 ASA, Rodinal 
1:100, 20 min, 20degC, worked very nice, the prints have a special kind of 
flavour, hard to discribe..25 min devlopment yielded some sprocket hole 
streaks..

Best,

Cor

> -----Original Message-----
> From: pure-silver-bounce@xxxxxxxxxxxxx
> [mailto:pure-silver-bounce@xxxxxxxxxxxxx]On Behalf Of Gene Johnson
> Sent: vrijdag 26 augustus 2005 9:05
> To: pure-silver@xxxxxxxxxxxxx
> Subject: [pure-silver] Re: Stand developing/Efke
> 
> 
> I think I was the guy who started all this with my post about 
> developing 
> Efke 25 this way in 1:100 Rodinal for 20 or 25 min.  Don't 
> know about any 
> other film, but...
> 
> The tones do not appear compressed (read flattened?) to me.  
> If I had to try 
> to put my finger on a particular characteristic that might be 
> associated 
> with the stand technique, I would mention the nice 
> combination of very high 
> accutance and very fine grain combined with normal contrast.
> 
> For this film, I will develop this way every time unless I 
> find something 
> better.
> 
> 
> ----- Original Message ----- 
> From: "Koch, Gerald" <gkoch02@xxxxxxxxxx>
> To: <pure-silver@xxxxxxxxxxxxx>
> Sent: Thursday, August 25, 2005 6:36 AM
> Subject: [pure-silver] Re: Stand developing
> 
> 
> I agree with Richard, stand development is useful to compress 
> the total
> scale of a very contrasty subject.  You see this method described in
> articles on the Zone System.  It should not be used as a 
> general purpose
> technique.
> 
> Jerry
> 
> -----Original Message-----
> From: pure-silver-bounce@xxxxxxxxxxxxx
> [mailto:pure-silver-bounce@xxxxxxxxxxxxx] On Behalf Of Richard Knoppow
> Sent: Wednesday, August 24, 2005 6:22 PM
> To: pure-silver@xxxxxxxxxxxxx
> Subject: [pure-silver] Re: Stand developing
> 
> 
> 
> ----- Original Message ----- 
> From: "jeffrey" <puresilver@xxxxxxxxx>
> To: <pure-silver@xxxxxxxxxxxxx>
> Sent: Wednesday, August 24, 2005 12:34 PM
> Subject: [pure-silver] Re: Stand developing
> 
> 
> > Well, I gave it a shot - Rodinal 1:100 for 30 min. at
> > about 72 deg. Strong agitation for the first 30-40 sec.,
> > then let it sit.
> >
> > Most of the frames turned out OK (if a bit thinner than
> > expected), but a few frames (with wide expanses of clear
> > sky) showed sprocket-hole streaks. Not pronounced, but
> > enough to ruin the frame. Seemed inconsistant thru the
> > roll.
> >
> > Not sure what to think.
> >
>    The sprocket hole streaks are typical of stagnant
> development. There is some convection of the reaction
> products of development when the film is vertical in the
> bath. Since there is no development going on at the sprocket
> holes there are not reaction products produced so there will
> be an area under them that is somewhat higher in density
> than in the adjacent spaces. The effect is present all over
> the film but may not be noticable where there are not small,
> well defined, areas of significantly high or low density.
> You will find the opposite adjacent to small, dense
> highlights, where there will be streaks of lower development
> due to bromide.
>    Generally stagnant or stand development is done with the
> film horizontal. The reaction products accumulate in the
> vicinity of the development then and the effect is of
> lowered density of highlights and exagerated adjacency
> effects, which are controlled by diffusion in the emulsion.
>    Stand development can be useful for some special effects
> but IMO is not good general practice. Frankly, I think Danny
> was lucky.
>    Nonetheless, the pictures are excellent.
> 
> ---
> Richard Knoppow
> Los Angeles, CA, USA
> dickburk@xxxxxxxxxxxxx
> 
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