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Author
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Topic: D-SLR chat
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Joe Redifer
You need a beating today
Posts: 12859
From: Denver, Colorado
Registered: May 99
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posted 10-18-2009 01:27 AM
quote: Bobby Henderson
Many don't have the necessary level of resolution to let you know if you really have sharp focus.
That is a HUGE problem with Panasonic camcorders. You can spin and spin the focus ring for hours and you can't tell any difference whatsoever on the LCD screen which is of lower resolution than the original GameBoy. However for the Canon you can zoom in 10x and really nail down the focus. Also, the final picture is just as bright/dark as it appears on my Live View preview unless I go too bright/dark on the shutter. Basically if I am in a spot where I can adjust a parameter and it will make a difference on the Live View in either direction, it will come out as shown. But when looking through the viewfinder you can't tell ANY difference at all at any level when making changes, so I submit that Live View is more useful than not. Many "professional" photographers poo-poo Live View. I'm not sure if it makes them feel more elite or what, but I see it a lot.
It's kind of funny that we seem to be talking about pictures as super-important/life or death, etc. However I haven't seen any pictures from anyone here aside from maybe Claude (and of course me) that would necessitate such attention to detail like studying histograms, taking 2 hours to set up a single shot, personally checking, interviewing and verifying each individual pixel before pressing the shutter button, etc.
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Scott Norwood
Film God
Posts: 8146
From: Boston, MA. USA (1774.21 miles northeast of Dallas)
Registered: Jun 99
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posted 10-18-2009 10:38 AM
Brad is not overly paranoid.
I am overly paranoid.
I have about 20GB of stuff that I truly care about, and another ~20GB of stuff that I would not be terribly upset about losing.
The stuff-I-care-about gets stored on a mirrored set of disks in my home server (a Sun V120 running Solaris 10, with an external S1 disk array attached, all attached to a good UPS). Every night, this is rsynced to a 3-way ZFS mirror (has three copies of the data, two of which can fail before I lose anything) and fully backed up to LTO-2 tape. There is also a daily ZFS snapshot, so that I can have access to the files as they existed at any day in the last two months, in case of accidental edits or deletions. All the disks are Fujitsu 146GB "enterprise-grade" (whatever that means) hot-swappable SCSI disks. I rotate one tape to and from my desk drawer at my office (office backup) once per week or so. I do test restores from the tapes about once per month. I could probably skip the nightly tape backups, since I have the ZFS snapshots.
The stuff that I don't care as much about lives only on the ZFS filesystem, and does not get backed up to tape.
The total hardware cost for all of this stuff was something like $750 (mostly purchased used on Ebay).
I do not have a digital camera (I do have some digital image files that others have taken and given to me). If I did, I think that I would store everything in both RAW format and in some more standard format (jpeg, tiff, etc.), since RAW format seems to be proprietary to each camera manufacturer, and may not be readable in the long term future.
This approach works, but would be fairly expensive to scale to a larger capacity. It also requires regular maintenance (changing tapes, replacing disks if/when they fail). I tend to upgrade hardware every three years or so. The good part is that it protects against stupidity (file deletion), hardware failure, and local disasters (fire, etc.). I do not generally keep tapes older than a week or so, but that sort of periodic archive backup might be worth doing as well.
This is overkill for most users; "normal people" would probably be better served with an online backup service (or two different services, for better redundancy), although restore times may be an issue for those with large amounts of data.
Unfortunately, there is no good way to store data for any length of time without needing to maintain that storage.
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Bobby Henderson
"Ask me about Trajan."
Posts: 10973
From: Lawton, OK, USA
Registered: Apr 2001
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posted 10-18-2009 10:54 AM
quote: Scott Norwood
This is overkill for most users; "normal people" would probably be better served with an online backup service (or two different services, for better redundancy), although restore times may be an issue for those with large amounts of data.
After what happened to all those T-Mobile Sidekick users, I'm not so comfortable storing valuable data "in the cloud." It might be useful as yet another backup, but I've gotta have copies of the files stored locally too.
quote: Steve Guttag
There is a place for point-n-shoots and they are getting BETTER all of the time and more convenient too.
Point and shoot cameras can capture great looking images. DSLR cameras simply give you more flexibility and capability to capture great looking images as long as you are pairing that DSLR with the kind of lens that can get the job done.
Here is an article about Alex Majoli, an award winning photojournalist who relies on point and shoot cameras from Olympus for his work.
quote: Joe Redifer
It's kind of funny that we seem to be talking about pictures as super-important/life or death, etc. However I haven't seen any pictures from anyone here aside from maybe Claude (and of course me) that would necessitate such attention to detail like studying histograms, taking 2 hours to set up a single shot, personally checking, interviewing and verifying each individual pixel before pressing the shutter button, etc.
As mentioned previously, this forum isn't set up to show off nice looking photos. The 550 pixel width limit for posted images doesn't allow for much. If I recall, forum rules also don't look kindly on posting links to images hosted elsewhere, such as Flickr, Imageshack, etc. Also, a lot of the photography I do is related to work, either in my day job or freelance graphics work, and I don't feel comfortable posting any of that stuff here.
I don't think anyone is talking about photography in terms of "life and death" levels of importance. Nevertheless, it is a creative passion for many people. Most people who enjoy photography are always looking for ways to improve their skills. Often that means coming up strategies for different shooting situations. You're going to have a checklist of stuff to do or avoid if you want to get a certain kind of shot. Sometimes that's going to mean upgrading to better equipment. The pursuit of "getting the shot" can result in your wallet suffering a cashectomy from time to time.
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