Do the counters need to make some promotional photos and posters? The size of the material is 1 m X2 m, and a resolution of 80 is enough? thank you

Certificate photo 3.3*2.2 390*260

2 inch 3.5*5.3cm 626*4 13

2 inches smaller (passport) 4.8*3.3cm 567*390

5-inch 5x3.512.7 * 8.91200x840/kloc-0.0 million pixels.

6 inch 6x415.2 *10.21440x96010.3 million pixels.

7-inch 7x517.8 *12.71680x12002 million pixels or more.

8 inch 8x620.3 *15.21920x1440 3 million pixels or more.

10 inch10x8 25.4 * 20.3 2400x19204 million pixels or more.

12 inch12x10 30.5 * 20.3 2500x2000+5 million pixels

15 inch15x10 38.1* 25.4 3000x2000 6 million pixels.

Corresponding size of ordinary ID photo

1 inch 25mm× 35mm

2 inches 35 mm× 49 mm

3 inches 35 mm× 52 mm

Hong Kong and Macao Pass 33mm×48mm

American visa 50mm×50mm

Japanese visa 45mm×45mm

Two inches 35 mm ×45 mm

Passport 33mm× 48mm

Graduation photo is 33mm×48mm.

Id card 22mm×32mm

Driver's license 2 1mm×26mm

Car photo 60mm×9 1mm

Comparison of photo size and print size

(Resolution: 300dpi)

Photo size (inches) Print size (centimeters)

10x 15 25.4 x 38. 1

10x 12 25.4x30.5

8x 10 20.3x25.4

6x8 15.2x20.3

5x8 12.7x20.3

5x7 12.7x 17.7

4x6 10. 1x 15.2

3.5x5 8.9x 12.7

Traditional size resolution

5 "3X5(5x3.5) 800X600

6 inch 4X6 1024X768

7 inches 5X7 1024X768

8 inch 6X9(8x6) 1 280X960

Small size 2 inches 48 mm× 33 mm

8x 10 1600 x 1200

10 inch 10x8 2400x 1920

12 inch 12x 10 2880x2400

14 inch 14x 10 3360x2400

5 million pixels effective 49 15200, pixel 2560X 1920. The size of the developable photo is 17X 13, and the diagonal is 2 1 inch.

4 million pixels effective 387 1488, pixel 2272X 1704. The size of the developable photo is 15X 1 1, and the diagonal is 19 inch.

3 million pixels effective 3 145728, pixel 2048X 1536. The size of the developable photo is 14X 10, and the diagonal is 17 inches.

2 million pixels are valid at 1920000, and the pixel is 1600X 1200. The size of the developable photo is 1 1X8, and the diagonal is 13 inch.

1.3 million pixels effective 1228800, pixel 1280X960. The developable photo size is 9X6, diagonal 1 1 inch.

800,000 pixels, effective 786,432, pixel 1024X768. Developable photo size 7X5, diagonal 9 inches

500,000 pixels, 480,000 pixels, 800X600 pixels. The developable photo size is 5X4, and the diagonal is 7 inches.

300,000 pixels are effective, 307,200 pixels are 640X480. Developable photo size 4X3, diagonal 5 inches

3r-3.5x5x320x320 =1600x1120 pixels = 1792000 pixels (preferably 2 million pixels).

4r-4x6x320x320 =1920x1280 pixels = 2,457,600 pixels (preferably 3 million pixels).

5r-5x7x320x320 = 2240x1600 pixels = 3.584 million pixels (preferably 4 million pixels).

6r-6x8x 320x320 = 2560x1920 pixels = 49 15200 pixels (preferably 6 million pixels).

8x 10-8x10x320x320 = 3200x2560 pixels = 81920,000 pixels (10,000 pixels is the best).

8x12-8x12x320x320 = 3840x2560 pixels = 9830400 pixels (preferably12 million pixels).

8x14-8x14x320x320 = 4480x2560 pixels =1146.88 million pixels (preferably16 million pixels).

Photo clarity

The clarity of photos is directly related to the printing quality. The following table is a comparison table of photo size, file size and definition for reference only:

Photo size file size high quality medium average.

3.5x 5 400k 1024 x768 800 x600 640 x480

4x 6 600k 1280 x960 1024 x768 800 x600

5x 7 1m 1600 x 1200 1280 x960 1024 x768

8x 12 1.6m 2 160 x 1440 1600 x 1200 1280 x960

12x 18 2.6m 3240 x 2 160 2 160 x 1440 1600 x 1200

Traditionally, the standard photo of one inch is 1.5X 1 inch, and now it is called "inch and a half".

The traditional and current commonly used dimensions are as follows:

3.5X5 inches -3r, commonly known as 4 inches or 5 inches;

5X7 inches -5r, commonly known as 7 inches;

4X6 inch -4r, rare in China. Most of the prints made by foreigners are of this size, and some profiteers have printed this ruler.

Inch, say "international fashion", and then charge 1.2 yuan for each piece;

10x8-This is the most commonly used size, that is, 20X25, which is often required in movie competitions.

10x12-also a commonly used size;

11x14-mostly the size of the photo studio album;

11x15-same as above;

16X 12—— General 135 The enlarged size of the film is complete;

20x16-is the limit size of 135 negative film, and it will be "reluctant" if it is bigger;

24x 20- is the largest enlarged size of the studio.