manzoori
Posts: 1459
Joined: Sun Sep 22, 2002 7:08 am

The Pitfalls Of DSLRs

Thu Aug 14, 2003 7:09 pm

... or alternatively titled - "Warning - Dunce at work!"

I thought I'd share this experience with you, so that maybe some of you won't make the same mistake I just did!

I've just been up to Glasgow on a business trip and took my newly aquired D30 along for two reasons. 1 I was flying and there's always a photo opportunity at EMA or Glasgow and 2. I needed to take photos of Turbine hardware.

I am the first to admit I am a pretty green photographer... still climbing that steep old learning curve. Taking the shots of the turbine hardware in poor indoor lighting conditions I used one of the D30's great features which is to adjust the film ISO level. I set it to 800 and snapped away.

Later with time to kill before my flight back to Derby I have a chance to snap a bunch of shots of aircraft movements at Glasgow. Lovely lighting, and a borrowed 75-300mm USM lens and I'm as happy a a lamb.... until I realise that all the aviation shots are still on ISO 800 setting!!! Aaaarrrggghhh!!!!

Moral of the story people is remember to check the camera settings before using it... *sigh*!

Cheers!

Rez
 Big thumbs up
Flightlineimages DOT Com Photographer & Web Editor. RR Turbines Specialist
 
jettrader
Posts: 580
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RE: The Pitfalls Of DSLRs

Thu Aug 14, 2003 7:31 pm

Been there, done that!  Sad

Usually just up to 200 or 400 ASA though.

Am I correct in thinking that shooting in RAW removes this problem...?

Colin...?

Regards,
Dean
Life's dangerous. Get a f**king helmet!
 
timdegroot
Posts: 3258
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RE: The Pitfalls Of DSLRs

Thu Aug 14, 2003 7:35 pm

Not just limited to DSLRs, beleive me. Ever exposed 2 rolls of film at +2 stops......aaaargggg Smile

Tim
Alderman Exit
 
Skymonster
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RE: The Pitfalls Of DSLRs

Thu Aug 14, 2003 7:43 pm

Rez,

You'll soon learn to just take a quick look at the exposure setting that the camera is giving you, and you'll get to know what's "normal" for 100ISO... For example, on a bright day 1/500 at F8.0 may well be reasonable for 100ISO, so if the camera suddenly starts giving you 1/500 at F32 or 1/2000 at F8.0 then there's grounds to think something is not quite right, and its probably going to be the ISO setting.

Having said that, I've shot a roll of 200ISO film at 64ISO in the past without noticing...

Andy
There are old pilots and there are bold pilots, but there are no old bold pilots
 
qantas744
Posts: 1658
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RE: The Pitfalls Of DSLRs

Thu Aug 14, 2003 7:51 pm

Did a whole session of 09R take off shots on a clear winters morning using ISO 400 last December, no wonder only one of them made it to the database Smile/happy/getting dizzy



Matt
you can't buy time but you can sell your soul and the closest thing to heaven is to rock'n'roll
 
Granite
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RE: The Pitfalls Of DSLRs

Thu Aug 14, 2003 7:52 pm

Rez

Done that myself at ABZ.

Nice clear cold day and shot lots of stuff and a few North Atlantic trail traffic......all at ISO800  Sad

Didn't catch anything great so was not really worried about dumping the 50+ images.

Cheers

Gary Watt

[Edited 2003-08-14 12:54:36]
 
F27
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RE: The Pitfalls Of DSLRs

Thu Aug 14, 2003 8:12 pm

My settings never move from 100 ASA no matter where i am shooting even inside the E&E bay the cameras were always set for 100 asa and never had any problems
 
manzoori
Posts: 1459
Joined: Sun Sep 22, 2002 7:08 am

RE: The Pitfalls Of DSLRs

Thu Aug 14, 2003 8:37 pm

Thanks folks!

It's good to know I am in esteemed company!

So much to learn on this D30... so few aircraft shooting opportunities!

I haven't forgotten your kind offer Gary... just working a few things out and formulating a few 'Sensible' questions before I get back to you!

Cheers!

Rez
 Big thumbs up
Flightlineimages DOT Com Photographer & Web Editor. RR Turbines Specialist
 
KingWide
Posts: 698
Joined: Thu Aug 02, 2001 7:30 am

RE: The Pitfalls Of DSLRs

Thu Aug 14, 2003 8:38 pm

Another interesting problem I can share:

I was shooting last week at the BTCC with my old D30 body and a 10D. I was dumping each card as it filled up to my image tank. Towards the middle of day 2, I get caught in the middle of a race with a full card on the 10D. I don't have time to upload the shots and clear the card so I grab one from the bag and put it in the 10D - I shoot the first shot and then realise that I haven't formatted the card so I just format the whole card and lose the one shot I had taken.

I carry on shooting and uploading and get home the next day [after reviewing some shots that were still on the cards on the way home]. I plug in the Image Tank, and grab the files out of each of the tanks upload directories [one for each distinct card upload]. They're all foldered up as normal [379Canon, 380Canon etc] and I drag and drop them onto the PC hard disk as normal clikcing 'Yes To all' on the dialog boxes asking me to confirm file replacement [knowing that there won't be any dupes because the 10D is writing directories in the 109 - 113 range and the D30 is writing in the 380 range].

So after a few hours uploading the shots [USB1!  Smile] I start reviewing them and I get an odd feeling that shots I saw on the way home aren't there anymore. I double check and there's whole sections of pitlane shots [shot by the D30] which are missing. I get that horrible sick feeling when you think you've lost stuff and try to find out what's happened...

To cut to the chase, what had happened was that putting in the non-formatted card had caused the 10D's numbering to be synchronised with the files already on the card [which were shot by the D30] so the as the 10D caught up the D30, they started shooting files with the same name! Obviouslywhen I copy them all off the image tank I am actually overwriting images that are already on disk! Luckily it was only about 40 shots but could have been much worse [I may not have realised the mistake for example].

Just something to watch out for  Smile/happy/getting dizzy


J
Jason Taperell - AirTeamImages
 
Skymonster
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RE: The Pitfalls Of DSLRs

Thu Aug 14, 2003 9:39 pm

Jason,

Don't quite understand that... Are you sure that the images are still not on the Image Tank disk? Every time I download a card to the ImageTank, the image tank creates a new directory - 0001ITD, 0002ITD, etc. So if one card's come out of the D30, when you copy that to the Image Tank it'd go into a directory [say] 0007ITD, and then when you copy the card from the D30/10D combo it would go into 0008ITD. The subdirectories below 0007ITD and 0008ITD may have the same names because they're generated by the camera (e.g. 380CANON, but as they're in different directories off of the root surely the files are still there, just that different files in different directories have the same name.

Andy
There are old pilots and there are bold pilots, but there are no old bold pilots
 
KingWide
Posts: 698
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RE: The Pitfalls Of DSLRs

Thu Aug 14, 2003 11:11 pm

Andy,

I think from reading your reply that you're the one who doesn't understand me  Smile/happy/getting dizzy

Yes, all the images are there in the correct directories on the image tank. The point was merely that shooting with two cameras can cause the image numbers to synchronise if you're not careful and this can cause problems when you download the contents of the NNN.ITD folders to a common directory [as most of us probably would].

The images may well be still in the right directories on the image tank but they may not all be present on your PC and, crucially, you may not realise this.

J
Jason Taperell - AirTeamImages
 
Skymonster
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RE: The Pitfalls Of DSLRs

Thu Aug 14, 2003 11:27 pm

Ahhh... Thanks Jason.

For what its worth, my D60 has on a couple of occasions managed to write two files with the same name to two different directories on the same flash card. Occasionally, when its changed from [say] 132CANON to 133CANON, two different files both different pictures shot at different times but both with the same name (file 3301 for example) have appeared, one in each directory - that is, the numbers in the file names haven't always been consecutive as for some reason its gone back and re-used a few numbers! I am therefore already rather cautious about just dumping files from directories on the Image Tank or from a flash into a single directory on a PC.

Best,
Andy
There are old pilots and there are bold pilots, but there are no old bold pilots
 
JoakimE
Posts: 401
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RE: The Pitfalls Of DSLRs

Thu Aug 14, 2003 11:29 pm

I've also done that too high ISO trick, which also happened to involve some erhmn interesting driving (how come so many of my shots involve that?)  Big grin
As usual when having to drop of my dad at work on my way down to Arlanda time gets a bit tight when trying to catch something else than SK B737s and MD80s at ARN. I had missed the Aeroflot arrival several times already, and was really trying hard to catch it this time, but as usual when driving on public roads there are always people that for some reason can't understand the need to go a weee bit faster  Big grin Anyway, for those local ARN people I was just passing the SAS Flight Academy when I saw that familiar Aeroflot 737-400 on final for runway 19L and for those who have not tried driving against a 737 on approach, it's not very easy to beat, and so it landed right in front of me once again, luckily it still had to land and of course break all the way down 19L, and then go back up taxiway W on it's way to T5. I actually manage to park right next to an almost perfect spot and get out of the car in time to catch the speeding 737, and I also managed to keep standing upright long enough to take those shots, and let out a small yippie, before looking at the picdata in the cam that is, and wondering why the shots where so dark  Big grin It turned out that the best one I shot was at ISO400, in Av mode at f11 with 1/2000s and -0.6 exposure, D'OH!

Oh well, after that long boooring text it's time to plug that shot  Big thumbs up

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Photo © Joakim Ewenson

 
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Bruce
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RE: The Pitfalls Of DSLRs

Fri Aug 15, 2003 2:16 am

You know something, I have done the exact same thing on several occasions. In fact, on my trip to Houston last december, I had shot some planes late in the day before sunset or right around sunset and needed to use higher ISO and the next morning, drove up to Dallas and started shooting at DAL and guess what? Had to delete the first several photos because they were ISO800 in broad daylight!


bruce
Bruce Leibowitz - Jackson, MS (KJAN) - Canon 50D/100-400L IS lens
 
ExitRow
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RE: The Pitfalls Of DSLRs 8 Frames

Fri Aug 15, 2003 4:30 am

Biggest learning curve for me was the 8 frames limit before the camera holds to write to the card.

I've missed out on many, many shots because I forgot you've only got 8 frames on the D60 before it blinks "BUSY." I'm used to burning tons of film on a motor drive with no limits.

This is especially problematic when you're photographing a fast approaching a/c or landing sequence. It's tough to have to wait for the best 8 shots.

William
 
manzoori
Posts: 1459
Joined: Sun Sep 22, 2002 7:08 am

RE: The Pitfalls Of DSLRs

Fri Aug 15, 2003 5:59 am

Hehehe, you've gotta laugh haven't you... otherwise you'd just cry!  Wink/being sarcastic

I had a crack at shooting in sports mode on the D30 today at EMA. To my surprise despite being set on Large Fine, it rolled off 22 shots before the "Busy" warning came on.... of course it is only a lowly 3.11mp camera!  Big thumbs up

Of course muggins here is too busy watching for the 'Busy' light to properly frame the EasyJet 737 on finals. D'oh!

Cheers!

Rez
 Embarrassment
Flightlineimages DOT Com Photographer & Web Editor. RR Turbines Specialist
 
ckw
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RE: The Pitfalls Of DSLRs

Fri Aug 15, 2003 7:15 am

Dean - in answer to your question, you can't override the ISO setting even in RAW (shame - I've done the same "forget to reset" as well) ... what you can do is apply exposure compensation after the fact - not quite the same thing (though bloody useful  Smile ).

Jason ... I understand your problem all too well, and fretted about accidental overwrites. Fortunately the latest version of the Downloader utility from Chris Breeze helps (on the PC at least) by allowing you to configure seperate directories for each body - so even if you download identical file names, they're stored in different directories.

It is all easy to leave an inappropriate setting in the camera - a really nice feature would be a "default" button for the various controls ... there is a default menu setting, but that's for the processing parameters.

Having made all the mistakes listed above, and a few of my own, I have tried to make it a habit of returning everything to my personal default settings when I'm packing away my gear for the day - though this isn't full proof either, as I once cleverly formatted a card ready for the next shoot ... forgetting that it hadn't been downloaded yet!

Oh my, you wouldn't believe the shots I had on that card  Smile

Cheers,

Colin
Colin K. Work, Pixstel

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