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Shooting in the shadows
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PostPosted: Fri Jun 13, 2008 10:13 am    Post subject: Shooting in the shadows Reply with quote

This isn't a normal gallery thread, I didn't know where to put it. It's more a question about metering technique.

The day I went to Oxford recently was bright and clear, just right for making a photographic tour, but unfortunately I didn't finish my meeting until 5.00pm and the sun was getting a little low in the sky, casting long shadows. Near the end of the walk-round the buildings in sunlight were extremely bright and the shadows were very dark.

I was using the Yashica-Mat 124 with its own meter, with 50ASA Velvia (which didn't help) and also used the Weston V hand-held meter. I tried very hard to get the exposures right but the results were still disappointing. I guess I was asking too much of the film/camera, but I'm interested to know what techniques some of you might recommend. Here are a couple of examples:

Two readings taken and exposure averaged. The shot was more underexposed than this and I've had to tweak it to pick out some of the detail in shadow:


This is an extreme example, I know. I took one reading of the building in shadow and ignored the sun:


PostPosted: Fri Jun 13, 2008 11:07 am    Post subject: Reply with quote

In such situations you have to make the choice and expose accordingly.
If you want the highlights expose for them if its detail in the shadows then expose for the shadows.
But it really isn’t as simple as that.
Making that ‘Choice’ is what can make a good photographer or photograph.
Shadows can be good if you use them, same with highlights.
All or most exposure is a compromise, as a photographer you have to make the hard choice of what the subject is and expose for that. If you wish to show detail in the shadows then that is the correct exposure or the opposite.
It is very difficult to see the potential of such contrasty situations but it is there.
Colour film isn’t the best for such pictures as it can’t handle the contrast ratio. BW film can do about 10,000 to 1 or a 10 stop range while colour is something like 150 to 1 or about 8 stops.
Of course with digital one can overcome the problem by getting more from the image with good RAW conversion.
Blending exposures for both highlights and shadows (HDR) can also be done with film and digital but again with colour film there will be problems with under or overexposed colour.
PS I like the second exposure. Try adjusting the black point to darken those shadows and give your highlights more punch.



PostPosted: Fri Jun 13, 2008 12:50 pm    Post subject: Reply with quote

Peter,

the already difficult situation in your first image is made worse by the fact that the main building is white.

It is the white building that pushes the average metering towards underexposure.

The first thing to do, is to get rid of the final subjects and meter light on a trustable subject.

If you don't have a grey card with you, use your hand. I meter on the back of my hand when shooting negative film, and on the palm of my hand when shooting slides.

So go to a sunlight position and meter your hand.
Then move to a open shadow position and meter again.

The values will be different, but less different than if you metered on the real subject.

How to choose between the two values?
Usually, balance the average closer to the shadows if you use a negative film, and closer to the highlight if you use slide film. Keeping in mind that slide film has minor latitude and therefore less room to play with.

With this procedure, I rarely made any wrong shot.

Of course the procedure would change if instead of a large landscape, you had to photograph a precise subject. In that case, spot or semi-spot metering is required.
-


PostPosted: Fri Jun 13, 2008 9:05 pm    Post subject: Reply with quote

Thanks Rob. I'll remember your advice about B&W. The first pic has such extremes of light and shade, it was asking too much to get the detail in both. Averaging the values didn't work and I ended up getting nothing right!

With the second pic, the intention was to pick out the detail and texture in the building and I think it worked better with just the one reading, but the reflection on the stone cobbles in the centre of the lane is blown. I've never tried blending exposures, might give that a go. I agree the contrast could be a bit punchier, but on my monitor I can't see any detail in the first section of the building.

Orio, thank you very much for the tips, I'll give the hand trick a try. What you say about overexposing for slides seems to make sense.


PostPosted: Fri Jun 13, 2008 9:09 pm    Post subject: Reply with quote

peterqd wrote:
What you say about overexposing for slides seems to make sense.


Maybe I explained myself bad, in general you can overexpose a bit negative and underexpose a bit slides.


PostPosted: Fri Jun 13, 2008 11:06 pm    Post subject: Reply with quote

Orio wrote:
peterqd wrote:
What you say about overexposing for slides seems to make sense.


Maybe I explained myself bad, in general you can overexpose a bit negative and underexpose a bit slides.


Good advice! I have had good luck using Orio's suggestions.


PostPosted: Sat Jun 14, 2008 12:00 pm    Post subject: Reply with quote

Years ago a photographer told me to underexpose slide film a little bit - like Orio says, as it helped the slide look better when projected due to the contrast boost and reduction in blown highlights. I tried it, liked the results and have done it ever since.

We might not project slides so much now as scan them but it's still good advice even today.


PostPosted: Sat Jun 14, 2008 12:05 pm    Post subject: Reply with quote

I still love projecting slides.
This is the main reason why I always shoot slides when I go on vacation.
I have a box of 10 loaders full of my Budapest slides of last year and they make a great show!
No computer slideshow can beat it - no, not even projected. I have seen digital photos projected and perhaps I am an old analog sucker, but for me the "breath" of projected film slides is just not there...


PostPosted: Sat Jun 14, 2008 12:34 pm    Post subject: Reply with quote

There's always been a "depth" to a slide that is difficult, if not impossible, to reproduce by any other means.


PostPosted: Sat Jun 14, 2008 2:47 pm    Post subject: Reply with quote

The first shot would be a good opportunity to use a minus development. I would try something like this.

Meter the back of your hand or grey card in the area of the shadows.

Overexpose by 1 and 2 stops (bracket) to bring density into the shadow parts of the negative

develop negative with a minus 1-1.5 with lesser agitation in the second half of development.

For example if using tmax100 and tmax developer at 75F 5min development with 5 secs agitation every 30 seconds for first 3 min, reducing to 5secs every 60 secs for the last 2 min

Because the shadows develop more slowly and exhaust the developer more slowly as well. Reducing time and agitation will keep the highlights from blowing out and allow the shadows to dense up and bring detail. This is probably old hat to many here but I thought I would post it up for any B+W film newbies.


PostPosted: Sat Jun 14, 2008 4:02 pm    Post subject: Reply with quote

Very interesting thread, and great advice! Andy, I still haven't started my
progress into B&W film developing, but really appreciated your tips and
techniques.

Bill


PostPosted: Sat Jun 14, 2008 7:35 pm    Post subject: Reply with quote

peterqd wrote:
Thanks Rob. I'll remember your advice about B&W. The first pic has such extremes of light and shade, it was asking too much to get the detail in both. Averaging the values didn't work and I ended up getting nothing right!

With the second pic, the intention was to pick out the detail and texture in the building and I think it worked better with just the one reading, but the reflection on the stone cobbles in the centre of the lane is blown. I've never tried blending exposures, might give that a go. I agree the contrast could be a bit punchier, but on my monitor I can't see any detail in the first section of the building.



With this type of shot there always choices.
At our photo club we often have discussions about this with the technical purists going for the best exposure they can manage and the artistic bunch not worrying about a few blown highlights or deep black shadows if the image works.
The most popular approach is to go with the artistic look, this also seems to be the choice of RPS judges. The image is main concern. If a blown highlight or blocked out shadow works pictorially it is preferred to trying (And maybe ending up with a poor compromise) to a more traditional approach.
I went for the punchy contrast and highlights and ignored the bit of detail (Looked unimportant) on the left building. I saw it as just a frame for the main subject.
One makes ones choice.


PostPosted: Mon Jun 16, 2008 12:30 pm    Post subject: Reply with quote

F16SUNSHINE wrote:
The first shot would be a good opportunity to use a minus development. I would try something like this....

....probably old hat to many here but I thought I would post it up for any B+W film newbies.

Great Andy, it's not old hat to me and I'm certainly a newbie to techniques like this. It must make you feel much more confident when you have this level of knowledge and experience. Thank you very much indeed for sharing.


PostPosted: Thu Jun 19, 2008 12:07 am    Post subject: Reply with quote

peterqd wrote:
F16SUNSHINE wrote:
The first shot would be a good opportunity to use a minus development. I would try something like this....

....probably old hat to many here but I thought I would post it up for any B+W film newbies.

Great Andy, it's not old hat to me and I'm certainly a newbie to techniques like this. It must make you feel much more confident when you have this level of knowledge and experience. Thank you very much indeed for sharing.


Books have been written on film types and developing. Variations of contrast, tones, grain and the final look one will get with a print are endless. But the basic principles of it are very simple.
A shorter developing time will lower contrast and a longer developing time will increase it. Differences in temperature have a similar effect, a higher temperature will be equivalent to longer development. To get the hang of all this one has to do a few test film but first you have to pick your film and developer. I always used TriX and D76 mixed 1:1. However the developer you is less important than the basic principle. All great fun. Rolling Eyes