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Need Help Scanning  
User currently offlineMikeyb From , joined Dec 1969, posts, RR:
Posted (14 years 1 month 1 week 2 days 6 hours ago) and read 1167 times:

Hello, I am using a Nikon LS-1000 scanner. Please look at these pictures:

http://64.57.67.110/airmikey/n518at-ata.jpg

http://64.57.67.110/airmikey/n507sw-southwest2.jpg

http://64.57.67.110/airmikey/n507sw-southwest1.jpg

http://64.57.67.110/airmikey/n107us-usairwys.jpg

I have a problem with the pictures being too grainy when scanned, even though the slides are good. Any suggestions on how to make these scans better?
What am I doing wrong?

Thanks,

Mike B





7 replies: All unread, jump to last
 
User currently offlineNicolaki From , joined Dec 1969, posts, RR:
Reply 1, posted (14 years 1 month 1 week 2 days ago) and read 996 times:

Mike are you sharpening your images? Because I think that excess sharpening may cause the image to go grainier

User currently offlineFastGlass From United States of America, joined Jan 2002, 0 posts, RR: 5
Reply 2, posted (14 years 1 month 1 week 1 day 22 hours ago) and read 999 times:

I don't know if they are oversharpened or not. Yes the sky looks grainy, but the aircraft are still a bit soft. My experience with Nikon slide scanners is that their autofocus mechanism sometimes misses the mark. So, a fuzzy scan causes one to sharpen too much. This is really a shame because the LS-1000 is rather expensive and should do a better job.

User currently offlineBrick From United States of America, joined Aug 1999, 1589 posts, RR: 7
Reply 3, posted (14 years 1 month 1 week 1 day 19 hours ago) and read 994 times:

The sun angles in these photos are very poor...which makes for a not-so-great photo. The subjects are too dark (there's virtually no color to the ATA 757). When photos are underexposed, they tend to be grainy regardless of the film speed.

Avoid high sun angles with the subject backlit in the future...that's the first battle.

Mark Abbott
Minneapolis, MN






A noble spirit embiggens the smallest man...
User currently offlineCkw From UK - England, joined Aug 2010, 745 posts, RR: 16
Reply 4, posted (14 years 1 month 1 week 1 day 17 hours ago) and read 990 times:

I don't think the images show evidence of oversharpening, in fact, I wonder have they been sharpened at all - I find scans from the Nikon always benefit from the application of unsharp masking.

The pictures are probably underexposed by at least a stop - given the lighting in these subjects, you would need to allow additional exposure on the main subject at the cost of having the sky somewhat lighter than you might like. Underexposure = enhanced grain. In the case of the Nikon scanners, this is made worse by the fact that the light source is generally considered to be "harsher" than many other scanners

Regarding the Nikon autofocus, it does need an area of detail to function properly. By default it looks at the middle of the image - in these examples I would guess this was a plain area with little detail. Switching to manual mode and moving the focus point to an area with more detail - reg. number, window frame may help.

Cheers,

Colin



Colin K. Work, Pixstel
User currently offlineChris28_17 From United States of America, joined Jul 2000, 1439 posts, RR: 10
Reply 5, posted (14 years 1 month 1 week 1 day 9 hours ago) and read 981 times:

Kinda off the subject, im feeling ignorant but what kind of plane is that USair pic??? it looks like an A320 but no winglets.. and the reversers are funky too...

CHRIS


I have a feeling someone is going to say "DuH!"  


User currently offlineGerardo From Spain, joined May 2000, 3481 posts, RR: 31
Reply 6, posted (14 years 1 month 5 days 3 hours ago) and read 958 times:

It is indeed an A320. At first I didnt see the winglets at all and thought the same as you, Chis. But then!!!! Duh!

The winglets are there, but they are black and therefore hardly visible on this picture. If you know where exactly to look at, you might see them.

Hope this helps
Gerardo
http://fly.to/zrh



dominguez(dash)online(dot)ch ... Pushing the limits of my equipment
User currently offlineChris28_17 From United States of America, joined Jul 2000, 1439 posts, RR: 10
Reply 7, posted (14 years 1 month 4 days 22 hours ago) and read 954 times:

Haha... there it is! didnt look hard enough..

DUH!  


CHRIS


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