i need some help with scaning and enlarging

JTMC

i have tried to scan some of my coins so i can post them here but after i scan them and save them as jpegs they look really small. you cant see any detail. anyone knowhow to enlarge them enough to see the details and get the file under 50k to post them. i also have adobe photo 3.0 but cant seem to crop them and enlarge them . when i try the file size is around 800k.
any help would really be apreciated.
john

nwcs

Well, there are a lot of "depends ons" here, but here are a few things I found that are helpful for people using a scanner and Photoshop.

Scan with a higher DPI. Specifically 300 dpi is good. This "increases" the apparent image size on screen. It's basically like a zoom for this type of usage. Once the image is in Photoshop, use the auto-levels function. I can't remember exactly where it is in your version, but I believe it is still in the Image menu, then Adjust. This will do some basic color correction. Not the best type, but good enough most of the time.

Then, crop your image to the smallest possible square around the picture. Then adjust the image size (Image menu, image size function). You'll see both Height and Width. Find the one that is the larger number. Then change it to 450. Then click OK. The resulting image is now a good size. Now, save that as a jpeg image with medium (level 5) compression. Almost all of the time this results in the largest image that can fit under the 50k limit. You'll need to adjust as needed.

Neil

lablover

After you prescan the coin holder draw a box around just the coin and click the preview button that has the magnifing glass. Once you make any color adjustments, etc you can set the size for the scan (scale) by changing the % from 100. Also, after you scan and close this and it transfers to Adobe window you can enlarge using the image menu button. Here you can also crop, draw a box around what you want to keep and select resize from the menu. I scan all my coin with no more than 150dpi. When you do a save select "save for web" under file. Than, you can change your jpeg image settings of: low, medium, high or maximum. Watch that your jpeg file does no exceed 50.0k...as you change the jpeg image setting you'll see this change under the coin window.
I'm not the best at explaining tech info. but I hope this helps.
Good luck.

JTMC

thanks. you guys are the best. i will try it tonight and see if i get it right. then i can finally start posting some pics.
thanks again
john

JTMC

this is a test to see how it scaned

jonesy

Decent try. Remember, you are allowed 50K here. You can put a lot more!!
Glenn

lablover

You're out of focus...perhaps the coin is raised up to much from the scanner glass. Try it again by removing the holder screws so it lays flat. Go ahead and enlarge to 150-200 percent and work down from there until your happy it the appearance.

airplanenut

<< <i>You're out of focus...perhaps the coin is raised up to much from the scanner glass. Try it again by removing the holder screws so it lays flat. Go ahead and enlarge to 150-200 percent and work down from there until your happy it the appearance. >>

No- the image was saved with too much compression, hence it is smoothly pixellated... try less compression and a larger image (don't scale it down as much)

Jeremy

JTMC

i think i finally got the size right. now all i have to do is remember to take it out of the holder so it has better focus. thanks for all your help guys.
john