mattdm
  • Member for 11 years, 2 months
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How do I save an image in Tiff format within size range of 10mb to 25mb?
1 votes

Smooth areas of color or darkness compress very well. Since your problem here is compression working too well, adding more detail is the trick you need. Use a filter to add a little noise or a "...

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Is it worth upgrading to more expensive software for B&W processing?
1 votes

I think the key advantage is like that of buying "preset packs". Lightroom and other general purpose photography software can do anything. That's very powerful, but it turns out there are certain ...

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What would be examples of Principle of Alternation, other than chiaroscuro?
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I don't have the art-history education to give a full answer to this, but one interesting area where this is on display is in the visual arts inspired by Baroque composers such as Vivaldi and Bach. ...

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Tagging stuff: plural or singular?
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I am an advocate of plural. Tags are categories; think of them as labels on shoeboxes. A shoebox with the label "birds" contains pictures of birds. Singular is appropriate for cases when there really ...

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What underwater strap keeps my equipment safe and usable?
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Our friend took my daughter's waterproof Olympus camera on a cruise, and as a condition of borrowing it she bought one of these float straps — the exact one you link, in fact. This successfully ...

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What does it mean when Dpreview says "White balance often excessively orange under artificial light"?
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By "artificial light", they mean tungsten (incandescent) and fluorescent. Flash is artificial too, but it's usually relatively high color temperatures (like the midday sun) and therefore not hard for ...

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How do I reduce the noise in this image / prevent noise in future images?
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I hate to answer a question with "buy something different", but I think that's really the answer here. Camera sensor technology has come a long way since in the seven years since this camera was new, ...

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What causes auto focus to misfocus?
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With contrast detection autofocus, the camera is working with data from the main imaging sensor, and in theory the results should be perfectly accurate, with no possibility of misalignment — as you ...

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Is higher ISO noise evenly distributed, or does it affect colors differently?
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From a comment above clarifying the question: I meant to ask whether the amount of grain in the same photograph at high ISO differs for various colors. In that case, the answer with current ...

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What do you call the symbols that you can see on the edges when you look into your camera viewer?
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There isn't a general term, just a variety of descriptions along the lines of "viewfinder status indicators", "viewfinder display information", and "shooting information display".

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Is it normal for the Canon kit lens to exhibit lens flare even without a UV filter?
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1 votes

Yes, this is normal. It's important to realize that this is almost entirely to do with the lens and not the camera body. See What causes lens flare? for more detailed background, but basically, flare ...

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What is the maximum CF card size for a FujiFilm FinePix S1?
1 votes

SmartMedia, like its successor xD, is a raw NAND format — it's just flash memory chips, and the device is responsible for all the intelligence. In theory, this means the cards can be cheaper and the ...

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Why doesn't my Sigma EF-500 flash work properly with my new Canon 60D?
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1 votes

Contact Sigma. They don't license the flash protocol; they reverse-engineer it. That means that they don't always get the details exactly the same a Canon, and quirks in new models often require an ...

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Can an Olympus E20P take 8GB flash cards?
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1 votes

The E20 FAQ from Olympus says that CompactFlash-interface microdrives up to "1gig" are supported. That doesn't necessarily mean that bigger cards won't work, though — unlike SmartMedia, CF doesn't ...

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How fast must a CF be to save 2560x1920 TIFF?
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1 votes

I happened to notice this from the FAQ I referenced in the answer to your last question: Question: If I purchase a high performance CompactFlash card for my E-10/20N, will it reduce the time ...

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What retro design, compact-sized digital cameras are there?
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You're not the only one who is interested in this type of camera. There's a recent spate of retro-designed compact, small-sensor cameras (without interchangeable lenses) which have "retro" styling and ...

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Where can I find a "bulb ramping" intervalometer which will work with a Canon T3i?
1 votes

It looks like the reason Nikon cameras can't do bulb ramping is because their bulb mode only works in discrete steps, and doesn't allow precise control. While the Little Bramper site says that newer ...

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How can I remote control my Panasonic FZ100?
Accepted answer
1 votes

As I understand it, that camera does not offer that feature via any software. I did a little looking on gphoto2 forums, and in general it seems Panasonic's support for the PTP protocol used for USB ...

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Should I choose a Canon 550D or a Sony DSLR-A580?
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1 votes

There's no single answer to this question, because it comes down to a lot of personal factors. However, you won't go wrong with either choice. I highly recommend looking at How much do lens lineups ...

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What are the obligations to a client (give them raw photos, etc?)
1 votes

I don't know the right answer for this particular situation, but I think it demonstrates something to keep in mind for the future: make a comprehensive (even if short) written agreement in advance. ...

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What can be unusual POVs/angles for capturing the speaker and/or the crowds?
1 votes

That'll depend on the actual layout of the venue. Somewhere you can get as clear a view of the podium and the crowd as possible. If it's going to be packed tight (10k people in how small a space?), ...

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Does a Point and Shoot camera with great Auto mode exist?
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Most mainline compact cameras concentrate on having an auto mode where you can just shoot and get good pictures. To the mainstream audience, that's selling-point number one. It's when you go off of ...

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Suggestions for shared cross-platform photo management?
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I think the answer is to use something web-based. You can either run that on a hosted service somewhere, or on your own machine. My recommendation is Gallery, which has a nice interface and a decent ...

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What kind of color treatment is applied to these Sean Flanigan photos?
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I would categorize the sample color images as having a cross-process effect. In film, that's developing negatives with chemicals designed for a different type of film. (In other words, you're "...

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Why do the focus points leds in my viewfinder appear shadowed?
1 votes

I don't know exactly how the red dots are produced on that model (see How are the red focus point indicators displayed on a dSLR's focusing screen?), but I'm sure that what you are seeing is an ...

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What should I do about Canon PowerShot "Lens error, restart camera"?
1 votes

Less than a year? Cool. Send it to Canon for warranty service. The lens mechanism on compact cameras is one of the most vulnerable points, and it can get damaged even under normal use. They should fix ...

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How can I get objective, numerical Image Quality measurements for my photos?
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Although you're looking for computational metrics rather than human perception ones, I think Joanne C's answer to that question nails both counts. See: What parameters can I use to evaluate a "...

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How do I troubleshoot Canon EF100-400L IS USM failure?
1 votes

The primary resource for problems like this is the lens manufacturer. They have people who are paid to troubleshoot this kind of problems, and repair centers to fix them. The Canon USA support number ...

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What blogs should I be following if I am learning photography?
1 votes

Photo equipment distributor Manfrotto has what they call an "on-line school", the Manfrotto School of Excellence. This has a series of articles from professional photographers and writers, including ...

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How useful is image stabilisation below 200mm, really?
1 votes

The one-over-focal-length rule of thumb is just that — a rough guideline. With smaller sensors and higher resolution, it's somewhat dated, and it's quite reasonable to want to update that by a stop or ...

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