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Dirty Rejection - Can't Find The Dust Spot  
User currently offlineParsival From Germany, joined Jan 2005, 82 posts, RR: 0
Posted (8 years 6 months 6 days 2 hours ago) and read 4079 times:
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Hi everybody,

I got a dirty-rejection for this one:
http://www.airliners.net/addphotos/rejections/big/20060620_psc1661.jpg

but I can't find the dust spot or whatever it is that caused this rejection. If it is the dark spot at the fuselage near the nose gear - I think this is not a dust spot. Here is a cutout of the raw original image:



Thanks for your help,
Bjoern


sorry for my broken english...
13 replies: All unread, jump to last
 
User currently offlineTimdeGroot From Netherlands, joined Apr 2002, 3674 posts, RR: 64
Reply 1, posted (8 years 6 months 6 days 2 hours ago) and read 4067 times:
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few cm above the cockpit window

Tim



Alderman Exit
User currently offline9VSPO From , joined Dec 1969, posts, RR:
Reply 2, posted (8 years 6 months 6 days 2 hours ago) and read 4066 times:

Quoting Parsival (Thread starter):
I can't find the dust spot

I've equalized the image and I cant see any dust spots either. I guess someone more profesional needs to look at it.


User currently offlineGlobalpics From United Kingdom, joined Jun 2005, 216 posts, RR: 2
Reply 3, posted (8 years 6 months 6 days 1 hour ago) and read 4060 times:

I've circled the two that I could find, but blimey I had to look hard for them.
Big version: Width: 1200 Height: 812 File size: 447kb


User currently offlineMarkJBeckwith From Canada, joined Jul 2005, 156 posts, RR: 3
Reply 4, posted (8 years 6 months 6 days ago) and read 4032 times:

...the horror, the horror.....


Note: the opinions expressed herein are my opinions alone, and do not represent the opinions of anyone else at any photography forum or the world at large or any parts thereof. If there are other opinions similar to mine, it is a coincidence only and I do not seek to represent similar opinions by the use of such word as I, WE, US or OUR. If I do use terms such terms, please ignore such outlandish political incorrectness, and read I, ME or MY in their place.



One day, I might be good at this...
User currently offlinePhilhyde From United States of America, joined Aug 2003, 678 posts, RR: 1
Reply 5, posted (8 years 6 months 6 days ago) and read 4009 times:

Quoting Globalpics (Reply 3):
I've circled the two that I could find, but blimey I had to look hard for them.

So did I! I even equalized the image in PS and I could barely see them. Very critical rejection, if I might say.

Phil



HoustonSpotters Admin - Canon junkie - Aviation Nut
User currently offlineBrianW999 From United Kingdom, joined Dec 2003, 312 posts, RR: 5
Reply 6, posted (8 years 6 months 5 days 22 hours ago) and read 3979 times:

Quoting Philhyde (Reply 5):
So did I! I even equalized the image in PS and I could barely see them. Very critical rejection, if I might say.

I have to say that I agree with that. I equalised it and had to look VERY hard to find the spot above the cockpit. I say THE spot 'cos I never saw the second one ! I was too busy looking at a very nice, well exposed and framed pic of the aircraft.

[Edited 2006-06-21 01:39:55]

User currently offlineStealthZ From Australia, joined Feb 2005, 5743 posts, RR: 44
Reply 7, posted (8 years 6 months 5 days 21 hours ago) and read 3971 times:
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I equalised the image as posted by Bjoern and have to admit these are pretty minor spots and IMHO a tough rejection but that raises an interesting question that I have not seen an answer to in the past.
Do the screeners when performing their task, view the orginal image as uploaded by the contributor or the substantially more compressed version as ultimately hosted by A.net?

Interested to know the answer to that one!

Regards

Chris



If your camera sends text messages, that could explain why your photos are rubbish!
User currently offlineParsival From Germany, joined Jan 2005, 82 posts, RR: 0
Reply 8, posted (8 years 6 months 5 days 8 hours ago) and read 3903 times:
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Thank you for your help guys! Thank you Globalpics, without your circles I couldn't have had any chance to find them!

I have only two plasma-screens but it is long ago that I had a dust spot rejection. With the equalizing function and very careful looking I got them all in the past. I think there will allways be a small amount of dirt at any picture - it is like if you clean up a room, someone else will allways find dirt anywhere.

So the question is how hard do we need to look at to detect the very faintest dust spot? I think, if a dust spot is invisible as long as you (or the best screener) look without using help like equalize the image or magnify it, for who will this dust spot be a problem? Tim, did you find it without any kind of help? If yes - then I think a rejection is the right decision, if not, then its worth we all discuss about it.

Bjoern



sorry for my broken english...
User currently offlineTimdeGroot From Netherlands, joined Apr 2002, 3674 posts, RR: 64
Reply 9, posted (8 years 6 months 5 days 7 hours ago) and read 3901 times:
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Quoting Parsival (Reply 8):
Tim, did you find it without any kind of help?

Yes I did, none of the screeners use any kind of equalizing tools to find dustspots. I just move the pic from side to side, this way dustspots easily show up.

Tim



Alderman Exit
User currently offlineParsival From Germany, joined Jan 2005, 82 posts, RR: 0
Reply 10, posted (8 years 6 months 5 days 6 hours ago) and read 3885 times:
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Quoting TimdeGroot (Reply 9):
I just move the pic from side to side

I did it exactly the same way but the dust spot remains invisible for me, maybe due to my monitor. Then no discussion anymore, I'm gonna re-edit and re-upload the pic and think about buying a better monitor (cause I cant buy better eyes...  Smile )

Thanks again,
Bjoern



sorry for my broken english...
User currently offlineGlobalpics From United Kingdom, joined Jun 2005, 216 posts, RR: 2
Reply 11, posted (8 years 6 months 5 days 6 hours ago) and read 3881 times:

Bjoern, you should be congratulated and praised for your positive attitude towards this, so often a thread like this starts negatively and ends even more so. We've all learn't something from this, great job guys  highfive 

User currently offlinePhilhyde From United States of America, joined Aug 2003, 678 posts, RR: 1
Reply 12, posted (8 years 6 months 3 days 3 hours ago) and read 3825 times:

Quoting Globalpics (Reply 11):
Bjoern, you should be congratulated and praised for your positive attitude towards this, so often a thread like this starts negatively and ends even more so.

I agree!

Tim, thanks for your insight.

Phil



HoustonSpotters Admin - Canon junkie - Aviation Nut
User currently offlineWalter2222 From Belgium, joined Sep 2005, 1303 posts, RR: 28
Reply 13, posted (8 years 6 months 2 days 13 hours ago) and read 3782 times:

Quoting Globalpics (Reply 11):
Bjoern, you should be congratulated and praised for your positive attitude towards this, so often a thread like this starts negatively and ends even more so. We've all learned something from this, great job guys

 checkmark 

One extra note is the fact that you know now that there is some dirt on your sensor (it will also be noticeable on any further shots you take), and at least you now know where to look for them and remove them (or better, clean the sensor/have the sensor cleaned).  Smile

PS: we can all learn from every rejection!

Best regards and good luck with the re-upload, it is a nice picture!

Walter



canon 340d ;-) - EFS10-22mm f/3.5-4.5 USM - EFS18-55mm - EF28-105mm f3.5/4.5 - EF100-400mm f4.5-5.6l is usm - ...
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