-for the love of the fine image

Behind The Lens


Musings on photography, the art of creating images, technical talk, useful tips, rants and ravings of a published photographer of 40+ years experience.

Originality

None of us wants to be a copycat, or even worse, to be thought of as one, but how to avoid it. If it's true that by now everything has been done before, even the most original ideas are likely exist already, somewhere, sometime, even if you didn't know about it. Coming up with what is for you original because you didn't know of someone elses work does not relieve you of being seen as unoriginal - exactly what you strived to be.

So how do we say something interesting as photographers?

It is argued that no one else will bring to your subject your life experiences, your biases, and the accumulation of the things that interest you, catch your attention, or the way in which you like things arranged or presented. The problem with this is that unless all of what is unique to your viewpoint comes with a considerable dollop of skill (notice I didn't say talent), little is likely to come of it.

It doesn't take long to realize that as a novice photographer, your images are typically crap, either technically or aesthetically, and likely both. So you start reading, and you discover a photographer you like. For me it was Ansel Adams. I tried to emulate him, to near complete failure. I expanded my book collection to include other landscape photographers of the same ilk - Bruce Barnbaum, John Sexton, even Edward Weston, but because their approach to the landscape was similar, I didn't learn as much as I hoped.

Then I came across the work of David Plowden - medium format, not grand landscape, often industrial or small town America - and here was something different - the technical quality was there, but the subject, the closer presentation, and the introduction of a whole range of other subject matter really opened my eyes.

I went back to the work of Brett Weston and instead of concentrating on his landscape work this time round, studied his close work and especially his abstracts.

I acquired a book of Arnold Newman portraits and learned a lot about design.

I could go on, but I think you get the point. The path you take will almost certainly be different based on what you like and what motivates you, but the point is that by expanding your horizons, even if you do come across a style of photographs you like, say those of Michael Kenna, if you then see a scene that reminds you of his images and want to photograph it, you do so with the entire path of your experiences and image education behind you. If you then combine that with your own personality and experiences, there is a good chance of producing interesting original work.

When I wrote the third book, I included Michael Kenna and then Michael Levin. In the essay i wrote on Levin, I made a point of discussing the differences between the two Michaels. Not surprisingly, Leven had been through this all too many times and asked if I could eliminate the comparison and I could see his viewpoint and so respected his wishes.

In a way that was a pity, because I don't see Levin's images as copying Kenna - sure they pick some similar subjects, and photograph with long exposures and use the square format at times, but there are huge differences in the vast majority of their images. Kenna's images are dark. He favours burning in the edges, and isn't afraid of grain. This gives his images a dark moody atmosphere.

Levin comes from an 8X10 background and his huge prints are creamy smooth and speak of the infinite and are much more meditative than moody. I don't think Michael Levin should be in the least uncomfortable with comparisons.

The worst thing we can do as photographers is to wear blinders, to avoid anything unfamiliar, uncomfortable, different.
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More On Meidum Format

OK, so perhaps this is a way to show the difference. Here are two huge enlargements of a tiny section of image. SO enlarged that virtually no detail is visible in either image, but what you are seeing is each square is a pixel, and look at the difference in tonal variation, even both images had similar overall contrast, highlights and shadows. This isn't noise you are looking at - it is genuine detail as confirmed by careful inspection of lower magnification views of the images show.

The first is the Canon 1Ds3


and the second is the Pentax 645D


This implies it isn't the number of pixels that counts, it is the quality of the pixels. Is it possible that removal of the fuzzy filter will so improve the quality of the dslr pixels as to make up the difference - I simply don't know. But what you are seeing here at 1500% magnfication is why you can see the difference in ordinary size prints.

This even has implications for stitching - I can easily equal the pixel count of the Pentax by stitching two or three overlapping Canon 5D2 images, but the inability to resolve low contrast areas will remain.

And I haven't even begun to look at shadow areas in which the differences between the two cameras is far greater. That Pentax, with all its limitations (no live view, shallow depth of field) may just be what I'm looking for.

Below are 100% crops of the same area, Canon first, Pentax second.






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Medium Format Vs. 24X36

As you know, I have been struggling with whether to go to the Pentax 645D. There is a controversial article by Mark Dubovoy on Luminous Landscape at the moment - to the effect that 'real photographers shoot medium format'. Of course, that isn't what Mark said, but it is what he implied - that no matter what the print size, one could see the difference between medium format and smaller formats.

The example he used showed distortion with the dslr image, and greater contrast and thus less well controlled highlights, and better shadows.

Of course, much of this is a function of the particular lens and f stop he chose to use, and I dare say the two images could have been made to look MUCH closer to each other with a bit of care.

My immediate reaction was 'what a load of bull', but then I calmed down and decided to look at far better comparisons made in some of the reviews of the Pentax 645D, in which images are compared to the  Canon 1Ds3.

I made prints of reasonable size, 24 inches in the long dimension - something that both cameras should be capable of making. I then looked at the images at 100%.

I have poured over the images, and here is what I have found. If one looks at the finest details, branches on the horizon miles away, there is nothing to separate the Pentax from the Canon at this size of print.  The same applies to railings and bricks and anywhere the contrast in tones is significant. Where I can see a difference between prints is in the low contrast areas, branches against bushes or downed leaves. Here there is a noticeable difference in the Pentax images - it's as if large areas (up to 1/4 inch of the print) were smeared, the colour blended, a complete absense of texture and detail and even simple variation in tone, on the Canon image. it isn't about greater resolution (which doesn't really show up until you make very large prints), but if the Canon can smear details over 1/4 inch at this size, it can still do that over 1/8 of an inch in a 12 inch print - that is definitely visible.

I don't know what the difference is - whether there is a lot more manipulation of data to squeeze every bit of accutance (edge sharpness) and low noise out of the Canon at base ISO, or whether this loss is the fuzzy filter, or due to the number of bits per pixel in the pipeline, or what - all I know is that for all I think Mark picked a poor example, he is fundamentally right that there is something different about medium format.

Whether this will still be true when there are 36 megapixel full frame dslrs without fuzzy filters remains to be seen.

It reminds me though of the days of film when people using Technical Pan and special compensating developers could show extremely sharp prints, albeit terrible ones, lacking in the tonalities that were readily visible in an 8 inch print when comparing 6X6 with 35 mm.

Careful examination of the two digital images at 200% clearly shows that no amount of sharpening or local contrast enhancement is going to bring back the missing texture in the smaller camera images - for whatever reason.

I wish I knew the reason. It would help me decide whether to fork out $10,000 for the Pentax, or spend almost 2/3 less for the next generation Canon or Nikon with 36 megapixels. Those cameras will have sensors 3 years newer than the Pentax, but their pixels will be considerably smaller than the Canon 1Ds3 has now - does this mean even more loss of subtle contrast detail?


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Electronic Viewfinders

Someone showed my their new Canon ?5100 dslr and I couldn't believe how small the image was in the viewfinder - having been used to a 1ds2, 5d2 and recently trying the pentax645D.

Last weekend a friend let me play with his new Nex 7. The sun was low and bright, snow on the ground, and I could look at the viewfinder and see the image just fine, with the sun visible off to the left side - utterly amazing, and far better than my own Panasonic GH2. I much prefer the controls on the GH2 (exc. for the fact that I always press the menu when I grip the camera), but the viewfinder on the sony really was excellent.
The image was smooth and seemed to refresh a lot faster than my GH2.

I think the time of the slr with electronic viewfinger, a la the Sony A series cameras, has arrived, and it is only time before Canon and Nikon abandon bouncing mirrors.

Whether mirrors will be needed at all (as per the A series for focusing) or will focusing on the sensor become faster as processors get more powerful, I suspect the latter and we will have rapid focus, live view, tilting viewfinders etc..


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Bow River


As usual, if you click on the image, you can see this larger. This is a 7 image stitch with the 5D2. One of the few times I have used the 1.4 teleconverter to get in close. The end is a 97 megapixel image, 21X51 inches at 300 dpi.

The ice is covered in needles, sticks, and unspecified black spots, which are taking some considerable time to remove.

I used the magic brush to select the white areas that weren't completed by the stitch, deleting and filling with content aware fill, but I should have expanded the selected area by at least a pixel to avoid lines not filled - easily fixed but only if you look at the image very large on screen.



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Three image stitch, some desaturation of colour all over - the branches were already almost monochrome.
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A Second Chance

A couple of years ago I attempted to photograph this cattle feeder, sitting lonely and decaying in a field, and came away with nothing - the shapes were interesting but the holes in the side exposed bright snow, and I just couldn't come up with anything.

Today, I decided to look up, and with a wide angle lens, was able to make an interesting composition. Not a really good photograph, simply a competent one.




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An Image From A Collection Is Not Made

Sometimes a group of image elements simply does not come together to make an image. As a postage stamp this looks quite nice but once seen at any reasonable size, there is too much clutter, too much distraction, and too much rust all roughly the same brightness for the image to work.

Various attempts at cropping this conglomeration just make the situation worse. Just possibly it might come together in better lighting, though I wouldn't count on it. Every attempt to simplify  the composition also weakens it.

I spent a couple of hours working on this, as the light was failing and in which by the end I could not keep the exposure to 30 seconds without increasing the iso.

The shapes and textures were so intriguing I was determined to find a away to make a successful image, but in the end failed.

The angled shot below, combined with some dodging and burning, and some local contrast enhancement, was the best I could come up with but I'm not satisfied.

Realistically, not every setup is going to work, and it is well worth trying a few setups in any single shoot, so that you have a reasonable chance of coming home with something pleasing, if not actually wonderful.

Too many unpleasing shoots in the past have made me give up photography for as many at 15 years at a time. Of course, this was in the days of film, and many times a single setup, albeit with several framings and positionings, was about all one could achieve. Some find the change to be outside and puttering or hiking a reward in itself but I confess, for me, that was never enough - I wanted decent images to make the effort wortwhile, and I'm sure a lot happier photographer since switching to digital specifically for the ability to cover a few scenes in an afternoon.

If you are shooting digitally but continue to put all your eggs in one basket ...


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Image Quality

Recently Luminous Landscape published a comparison of the IQ180 top of the line digital back from PhaseOne with 8X10 colour film. It seemed odd at the time that the fellow setting this up reasoned that one could scan 8X10 film at 750 pixels per inch and get all the information that was available in the film.

It seemed odd, because if one uses the same emulsion in 35 mm. film, scanning a slide or colour negative at only 750 pixels per inch would be a disaster, showing only a small fraction of the information in the original.

Tim Parker and friends have taken on the daunting task of doing a repeat and extension of this comparison, adding 4X5 film, and the older P45 back (?39 megapixels vs. 80 for the newest), as well as Canon 5D2 (of great interest to me) and the Sony 900.

The results of the studio shots showed a huge advantage to the 8X10 film, and even to 4X5 and the Mamiya 7. A shot out in the wild however tended to even things out. Despite very windy conditions, they continued to show a huge resolution advantage to the 8X10 transparency film, but when it came to looking at the darker areas of the image, a whole other story came out.

You must click on the image above to see it at proper size. As you can see, the amount of detail in the IQ180 on the right is huge, however if one is honest, there is over sharpening and in the areas of the left that are adequately exposed and standing still, there is a lot of detail.

This example above was deliberately selected to show the film results at their worst - in shadowed areas and dealing with more wind than most of us are willing to put up with.
Again, click to see at original size - and the sharpening is the same as in the shadow image. There is a tremendous amount of information in the distant trees and buildings and bridges beyond that is simply gone in the digital image.
A different image of the skyline shows more detail in the film image no matter what sharpening is applied to the digital image, though with a huge amount of sharpening (6 pixels worth) you can see at least some of what the film saw, but that amount of sharpening destroys the rest of the image).

Bottom line is under ideal circumstances, optimal  stop, no wind, rock steady tripod and great lenses, 8X10 still very nicely remains King Of The Hill.

Under real circumstances, it isn't nearly as clear - more of a matter of losing on the straightaways and winning on the corners. This would explain Hans Strand's comment that since switching to a Hasselblad 50 MP camera, he has seen a significant increase in quality of his images - real images in real situations.

For those who carefully select their situations, use a massive tripod and a low contrast lighting situation, and who then use careful unsharp masking in their printing, 8X10 is still capable of the ultimate in quality in 2011. This explains why people like Christopher Burkett are still willing to lug around his 15 lb. Calumet view camera. For those who climb active volcanoes, or fly over river deltas or climb into caves, like Hans, he is simply more successful with digital.

The original Tim Parkin study is available free at On Landscape and I encourage you to read it carefully, and possibly play with the images there for yourself. Although this online magazine leans towards British Landscape Photography, I note the inclusion of more international work since its inception and I'm going to subscribe.

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And So It Begins - New Cameras

I'm not surprised to read this morning that a rumoured D800 is coming and the predictions are for a 36 mp sensor, with or without low pass filter. Once an official announcement is made, we can anticipate that Canon won't be far behind with something.

The 5D2 has been notoriously "un" waterproof though I must say I have had no diff. using it in the rain and snow. If Canon is to no longer make a high megapixel 1Ds series camera for the most demanding landscape shooters, one would hope they'd do something to toughen the 5D series.

Of course, there were lots of rumours the 1Dx was going to be 40+ megapixels so who really knows. I'm a little relieved I didn't get the 645D - for a functional lifetime of only a year or so (until a 5D2 replacement not only is announced but released and reviewed and found to be suitable).

So:

a wish list for the 5D2 replacement (this is my list, yours might be different for totally valid reasons).

1) lots of pixels - given that doubling the pixels only increases linear print size by 1.41, at least double is what I'd want.
2) no fuzzy (low pass) filter - I can deal with moire as needed. Interestingly, the colour image I showed in the last blog entry, of Horton Cantracting shows sig. moire in the print but not on screen, due to the lines in the asphalt siding. I once before had this problem photographing some lathed metal objects in which the lines from the cutting tool drove the print driver crazy. A slight blurring of the image solved he problem nicely and didn't affect print quality. Again, there was nothing wrong with the image at 100% mag. on screen.
3) tilting LCD screen - to enable high shots and make low shots more comfortable (no more belly to the ground).

Now, if I really had carte blanche for the design, how about a focus blending  routine that could move focus between two predetermined points, amount a function of the lens and distance and f stop, with enough time between exposures to settle any shutter shake - ok, I know, not likely any time soon, but a guy can dream, can`t he.

Which reminds me. A long time user of Helicon Focus, it hasn`t been working for me for about three months - resulting in double and tripple images in places as it struggles to resize the image properly.

Unfortunately, at the same time, since switching to Photoshop CS5, I keep getting ``can`t find the javascript`` errors for many of my automate routines, and since going to cs5, I have also lost the ability in Bridge to access photomerge etc. - probably the same problem.

I was however able to use the auto align and auto blend features under edit in photoshop to properly focus blend the images. I don`t know why Helicon isn`t working for me any more - presumably one of the many updates has somehow changed things or lost a setting. Im using the default settings and the Lanczos 3X3 processing method as before.

If anyone has any brilliant suggestsions for these three problems, I`m listening.

George
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