Taking 8R photos

[terry0582]

hi guys, i know that the settings for 4R photos is 1600 x 1200 pixels. what abt 8R?

 

[Lmodel]

hi guys, i know that the settings for 4R photos is 1600 x 1200 pixels. what abt 8R?

Erm.. there's lots of search engines u know...

Anyway, you got the wrong settings for 4R photos. Please cut and paste this to a word document. They will be useful to you. (All settings in 300DPI).

1 Passport 35mm x 45mm 7:9 413 x 531
2 3R 3.5" x 5" 7:10 1050 x 1500
3 4R 4" x 6" 2:3 1200 x 1800
4 5R 5" x 7" 5:7 1500 x 2100
5 6R 6" x 8" 3:4 1800 x 2400
6 8R 8" x 10" 4:5 2400 x 3000
7 S8R 8" x 12" 2:3 2400 x 3600
8 10R 10" x 12" 5:6 3000 x 3600
9 S10R 10" x 15" 2:3 3000 x 4500
10 A5 148mm x 210mm 1748 x 2480
11 A4 210mm x 297mm 2480 x 3508
12 A3 297mm x 420mm 3508 x 4961

 

[raptor84]

hi guys, i know that the settings for 4R photos is 1600 x 1200 pixels. what abt 8R?

At 300DPI 4R is 1800x1200(3:2) not 1600x1200 (4:3)

8R is in (5:4) aspect ratio. At a300DPI you will need it to be 3000x2400. Genereally 200dpi is enough laio 1600x2000 ..

 

[megaweb]

300 dot per inch (dpi) will give photo quality

formula:

1 inch = 300 dot to give photo quality
so 8R is 8 inches x 10 inches which gives ( 8 x 300 ) dots x ( 10 x 300 ) dots
= 2400 x 3000
= 7.2 megapixel

 

[RenegaeDing]

300 dot per inch (dpi) will give photo quality

formula:

1 inch = 300 dot to give photo quality
so 8R is 8 inches x 10 inches which gives ( 8 x 300 ) dots x ( 10 x 300 ) dots
= 2400 x 3000
= 7.2 megapixel

This formula is a great help! :thumbsup:

 

[jetspeed818]

Mini labs based on 300ppi. If you resized to fit to the size, you must let the lab know not to re-size, otherwise lab printing will be "size-to".

 

[LENS]

but those photo i got scanned is usually 72dpi?.. it comes with 5xxx X 3xxx.. size..how big it can be printed?

 

[duallies]

but those photo i got scanned is usually 72dpi?.. it comes with 5xxx X 3xxx.. size..how big it can be printed?

Cant you increase the dpi for the scanner? 72 is way too low:what:

 

[megaweb]

but those photo i got scanned is usually 72dpi?.. it comes with 5xxx X 3xxx.. size..how big it can be printed?

Reverse the formula

to have photo quality, you need to print in 300 dpi

so just divide the resolution by 300
= (5xxx X 3xxx ) / 300
= 5xxxx/300 inches x 3xxx/300 inches
e.g. 5000 x 3000 can print up to 16.667 inches x 10 inches photo quality (300 dpi)

Of course you can print lower quality like 150 dpi and you can print bigger size.

 

[LENS]

so the 300dpi is printing resolution?

and those 16base scanning is in 72dpi right? thanks megaweb for the information..

 

[terry0582]

thanx man, it's been a great help. cos i've seen someone saying its 3000 x 2000. thanx a lot.

 

[ernest_ted]

er....

i thot scanning resolution and printing resolution are diff stuff...:dunno:

correct me please