Statistics for 2022, Meissner Renaissance Faire/SF convention digital photo album

This page is the statistics for the web page photo-ren.html

Statistics sublinks

Camera model statistics

Statistics for each year are the percentage that the camera was used in the year Statistics for all years is a percentage of the camera was used in total.

Model Rank Total %
Olympus E-M5-III camera, any lens 1 315 40.23%
OM OM-1 camera, any lens 2 280 35.76%
Olympus Stylus-1 camera 3 90 11.49%
Olympus E-M5-I camera, any lens 4 61 7.79%
Olympus E-M1-I camera, any lens 5 26 3.32%
Samsung A32 5G phone 6 11 1.40%
Total 783 100.00%

DSLR lens statistics by camera

Statistics for each camera are the percentage that the lens was used by a particular camera. Statistics for all years is a percentage of the lens used in total.

Lens Rank All
Cameras
OM
OM-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Olympus-m43 12-200mm lens 1 311
45.60%
156
50.16%
13
4.18%
---
 
142
45.66%
Olympus-m43 12-40mm lens 2 299
43.84%
124
41.47%
7
2.34%
---
 
168
56.19%
Sigma 16mm lens 3 70
10.26%
---
 
6
8.57%
61
87.14%
3
4.29%
Olympus-m43 60mm lens 4 2
0.29%
---
 
---
 
---
 
2
100.00%
Total 682 280 26 61 315
All
Cameras
OM
OM-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III

Summary aperture (f/stop) statistics

Aperture All
Cameras
OM
OM-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Oly.
Stylus-1
Phone
f/1.4 - f/2.7 11
(1.40%)
---
---
---
---
---
---
---
---
---
---
11
(100.00%)
f/2.8 - f/3.9 188
(24.01%)
61
(21.79%)
---
---
7
(11.48%)
31
(9.84%)
89
(98.89%)
---
---
f/4.0 - f/5.5 192
(24.52%)
72
(25.71%)
6
(23.08%)
53
(86.89%)
60
(19.05%)
1
(1.11%)
---
---
f/5.6 - f/7.9 240
(30.65%)
71
(25.36%)
3
(11.54%)
1
(1.64%)
165
(52.38%)
---
---
---
---
f/8 - f/10.9 138
(17.62%)
66
(23.57%)
15
(57.69%)
---
---
57
(18.10%)
---
---
---
---
f/11 - f/15.9 14
(1.79%)
10
(3.57%)
2
(7.69%)
---
---
2
(0.63%)
---
---
---
---
Total 783 280 26 61 315 90 11
Aperture All
Cameras
OM
OM-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Oly.
Stylus-1
Phone

Detailed Aperture (f/stop) statistics

Aperture All
Cameras
OM
OM-1
Oly.
Stylus-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Phone
f/1.8 9 --- --- --- --- --- 9
f/2.2 2 --- --- --- --- --- 2
f/2.8 101 29 59 --- --- 13 ---
f/3.2 37 14 15 --- 1 7 ---
f/3.5 50 18 15 --- 6 11 ---
f/4.0 68 31 --- --- 25 12 ---
f/4.2 1 1 --- --- --- --- ---
f/4.5 50 11 --- --- 22 17 ---
f/5.0 60 18 1 6 6 29 ---
f/5.1 11 9 --- --- --- 2 ---
f/5.4 2 2 --- --- --- --- ---
f/5.6 65 25 --- --- 1 39 ---
f/5.7 2 1 --- --- --- 1 ---
f/5.9 1 --- --- --- --- 1 ---
f/6.1 5 5 --- --- --- --- ---
f/6.3 88 26 --- --- --- 62 ---
f/7.1 79 14 --- 3 --- 62 ---
f/8.0 67 19 --- 7 --- 41 ---
f/9.0 37 18 --- 6 --- 13 ---
f/10.0 34 29 --- 2 --- 3 ---
f/11.0 14 10 --- 2 --- 2 ---
Total 783 280 90 26 61 315 11
Aperture All
Cameras
OM
OM-1
Oly.
Stylus-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Phone

Summary ISO speed statistics

ISO speed All
Cameras
OM
OM-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Oly.
Stylus-1
Phone
100 - 199 2
(0.26%)
---
---
---
---
---
---
---
---
---
---
2
(18.18%)
200 - 299 582
(74.33%)
204
(72.86%)
26
(100.00%)
61
(100.00%)
291
(92.38%)
---
---
---
---
300 - 399 23
(2.94%)
10
(3.57%)
---
---
---
---
10
(3.17%)
2
(2.22%)
1
(9.09%)
400 - 499 26
(3.32%)
17
(6.07%)
---
---
---
---
4
(1.27%)
5
(5.56%)
---
---
500 - 599 9
(1.15%)
6
(2.14%)
---
---
---
---
2
(0.63%)
---
---
1
(9.09%)
600 - 699 10
(1.28%)
6
(2.14%)
---
---
---
---
3
(0.95%)
---
---
1
(9.09%)
800 - 899 13
(1.66%)
11
(3.93%)
---
---
---
---
---
---
2
(2.22%)
---
---
1000 - 1999 110
(14.05%)
18
(6.43%)
---
---
---
---
5
(1.59%)
81
(90.00%)
6
(54.55%)
2000 - 2999 3
(0.38%)
3
(1.07%)
---
---
---
---
---
---
---
---
---
---
3000 - 3999 4
(0.51%)
4
(1.43%)
---
---
---
---
---
---
---
---
---
---
4000 - 4999 1
(0.13%)
1
(0.36%)
---
---
---
---
---
---
---
---
---
---
Total 783 280 26 61 315 90 11
ISO speed All
Cameras
OM
OM-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Oly.
Stylus-1
Phone

Detailed ISO speed statistics

ISO speed All
Cameras
OM
OM-1
Oly.
Stylus-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Phone
125 2 --- --- --- --- --- 2
200 564 202 --- 26 61 275 ---
250 18 2 --- --- --- 16 ---
320 23 10 2 --- --- 10 1
400 26 17 5 --- --- 4 ---
500 9 6 --- --- --- 2 1
640 10 6 --- --- --- 3 1
800 13 11 2 --- --- --- ---
1000 11 9 --- --- --- 1 1
1250 10 6 --- --- --- 1 3
1600 89 3 81 --- --- 3 2
2500 3 3 --- --- --- --- ---
3200 4 4 --- --- --- --- ---
4000 1 1 --- --- --- --- ---
Total 783 280 90 26 61 315 11
ISO speed All
Cameras
OM
OM-1
Oly.
Stylus-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Phone

Summary shutter speed statistics

Shutter speed All
Cameras
OM
OM-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Oly.
Stylus-1
Other
cameras
Phone
1/1000 sec 28
(3.58%)
21
(7.50%)
4
(15.38%)
2
(3.28%)
1
(0.32%)
---
---
---
---
---
---
1/800 sec 73
(9.32%)
---
---
5
(19.23%)
13
(21.31%)
55
(17.46%)
---
---
---
---
---
---
1/640 sec 37
(4.73%)
---
---
4
(15.38%)
31
(50.82%)
2
(0.63%)
---
---
---
---
---
---
1/500 sec 77
(9.83%)
34
(12.14%)
2
(7.69%)
11
(18.03%)
30
(9.52%)
---
---
---
---
---
---
1/400 sec 61
(7.79%)
20
(7.14%)
2
(7.69%)
4
(6.56%)
35
(11.11%)
---
---
---
---
---
---
1/320 sec 54
(6.90%)
18
(6.43%)
5
(19.23%)
---
---
30
(9.52%)
1
(1.12%)
---
---
---
---
1/250 sec 71
(9.07%)
34
(12.14%)
4
(15.38%)
---
---
26
(8.25%)
7
(7.87%)
---
---
---
---
1/200 sec 68
(8.68%)
18
(6.43%)
---
---
---
---
39
(12.38%)
11
(12.36%)
---
---
---
---
1/160 sec 63
(8.05%)
27
(9.64%)
---
---
---
---
21
(6.67%)
15
(16.85%)
---
---
---
---
1/125 sec 94
(12.01%)
35
(12.50%)
---
---
---
---
40
(12.70%)
19
(21.35%)
---
---
---
---
≥ 0.01 sec && < 0.1 sec 10
(1.28%)
---
---
---
---
---
---
---
---
---
---
10
(100.00%)
---
---
1/100 sec 49
(6.26%)
27
(9.64%)
---
---
---
---
7
(2.22%)
15
(16.85%)
---
---
---
---
1/80 sec 46
(5.87%)
28
(10.00%)
---
---
---
---
10
(3.17%)
8
(8.99%)
---
---
---
---
1/60 sec 43
(5.49%)
18
(6.43%)
---
---
---
---
19
(6.03%)
4
(4.49%)
---
---
2
(100.00%)
1/50 sec 4
(0.51%)
---
---
---
---
---
---
---
---
4
(4.49%)
---
---
---
---
1/40 sec 3
(0.38%)
---
---
---
---
---
---
---
---
3
(3.37%)
---
---
---
---
1/30 sec 2
(0.26%)
---
---
---
---
---
---
---
---
2
(2.25%)
---
---
---
---
Total 783 280 26 61 315 89 10 2
Shutter speed All
Cameras
OM
OM-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Oly.
Stylus-1
Other
cameras
Phone

Detailed shutter speed statistics

Shutter speed All
Cameras
OM
OM-1
Oly.
Stylus-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Other
cameras
Phone
1/1000 sec 28 21 --- 4 2 1 --- ---
1/800 sec 73 --- --- 5 13 55 --- ---
1/640 sec 37 --- --- 4 31 2 --- ---
1/500 sec 77 34 --- 2 11 30 --- ---
1/400 sec 61 20 --- 2 4 35 --- ---
1/320 sec 54 18 1 5 --- 30 --- ---
1/250 sec 71 34 7 4 --- 26 --- ---
1/200 sec 68 18 11 --- --- 39 --- ---
1/160 sec 63 27 15 --- --- 21 --- ---
1/125 sec 94 35 19 --- --- 40 --- ---
1/100 sec 49 27 15 --- --- 7 --- ---
1/80 sec 46 28 8 --- --- 10 --- ---
1/60 sec 43 18 4 --- --- 19 --- 2
1/50 sec 4 --- 4 --- --- --- --- ---
1/40 sec 3 --- 3 --- --- --- --- ---
1/30 sec 2 --- 2 --- --- --- --- ---
1/24 sec 2 --- --- --- --- --- --- ---
1/20 sec 4 --- --- --- --- --- --- ---
1/15 sec 2 --- --- --- --- --- --- ---
1/13 sec 1 --- --- --- --- --- --- ---
1/12 sec 1 --- --- --- --- --- --- ---
Total 783 280 89 26 61 315 0 2
Shutter speed All
Cameras
OM
OM-1
Oly.
Stylus-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Other
cameras
Phone

Exposure mode statistics

Exposure Mode All
Cameras
OM
OM-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Oly.
Stylus-1
Phone
Not Defined 6
(0.77%)
---
---
---
---
---
---
---
---
---
---
6
(54.55%)
aperture priority 8
(1.02%)
---
---
---
---
---
---
8
(2.54%)
---
---
---
---
auto mode 668
(85.31%)
237
(84.64%)
26
(100.00%)
61
(100.00%)
249
(79.05%)
90
(100.00%)
5
(45.45%)
shutter priority 101
(12.90%)
43
(15.36%)
---
---
---
---
58
(18.41%)
---
---
---
---
Total 783 280 26 61 315 90 11
Exposure Mode All
Cameras
OM
OM-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Oly.
Stylus-1
Phone

Summary 35mm equivalent focal length statistics

Focal length All
Cameras
OM
OM-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Oly.
Stylus-1
Phone
24..51mm 350
(45.05%)
119
(42.50%)
15
(57.69%)
49
(80.33%)
119
(37.78%)
43
(47.78%)
5
(100.00%)
52..81mm 274
(35.26%)
108
(38.57%)
3
(11.54%)
12
(19.67%)
129
(40.95%)
22
(24.44%)
---
---
82..101mm 50
(6.44%)
16
(5.71%)
---
---
---
---
17
(5.40%)
17
(18.89%)
---
---
102..151mm 49
(6.31%)
22
(7.86%)
1
(3.85%)
---
---
20
(6.35%)
6
(6.67%)
---
---
152..201mm 30
(3.86%)
8
(2.86%)
5
(19.23%)
---
---
16
(5.08%)
1
(1.11%)
---
---
202..301mm 12
(1.54%)
3
(1.07%)
2
(7.69%)
---
---
6
(1.90%)
1
(1.11%)
---
---
302..401mm 10
(1.29%)
4
(1.43%)
---
---
---
---
6
(1.90%)
---
---
---
---
702..801mm 2
(0.26%)
---
---
---
---
---
---
2
(0.63%)
---
---
---
---
Total 777 280 26 61 315 90 5
Focal length All
Cameras
OM
OM-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Oly.
Stylus-1
Phone

35mm equivalent focal length statistics

Focal length All
Cameras
OM
OM-1
Oly.
Stylus-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Phone
24mm 58 27 --- 3 --- 28 ---
25mm 3 --- --- --- --- --- 3
26mm 6 3 --- 1 --- 2 ---
28mm 34 12 8 1 --- 13 ---
30mm 23 10 --- 2 --- 11 ---
32mm 65 2 3 5 49 6 ---
34mm 32 24 --- --- --- 8 ---
35mm 3 --- 3 --- --- --- ---
36mm 21 3 --- 2 --- 16 ---
38mm 14 3 6 --- --- 3 2
40mm 8 3 --- 1 --- 4 ---
42mm 22 8 11 --- --- 3 ---
44mm 5 3 --- --- --- 2 ---
46mm 25 13 9 --- --- 3 ---
48mm 11 4 --- --- --- 7 ---
50mm 20 4 3 --- --- 13 ---
52mm 14 4 --- --- --- 10 ---
54mm 10 3 --- --- --- 7 ---
56mm 29 14 --- --- --- 15 ---
57mm 3 --- 3 --- --- --- ---
58mm 5 4 --- --- --- 1 ---
60mm 13 2 --- --- --- 11 ---
62mm 33 18 4 --- --- 11 ---
64mm 24 8 --- 1 12 3 ---
68mm 23 15 --- --- --- 8 ---
70mm 15 3 6 --- --- 6 ---
72mm 4 1 --- --- --- 3 ---
74mm 17 11 --- --- --- 6 ---
76mm 21 4 9 --- --- 8 ---
80mm 63 21 --- 2 --- 40 ---
84mm 9 3 --- --- --- 6 ---
85mm 9 --- 9 --- --- --- ---
88mm 1 1 --- --- --- --- ---
90mm 14 7 --- --- --- 7 ---
92mm 6 --- 6 --- --- --- ---
100mm 11 5 2 --- --- 4 ---
112mm 9 1 4 --- --- 4 ---
120mm 2 --- --- --- --- 2 ---
126mm 14 5 --- --- --- 9 ---
135mm 1 --- 1 --- --- --- ---
140mm 9 6 --- 1 --- 2 ---
144mm 3 3 --- --- --- --- ---
150mm 11 7 1 --- --- 3 ---
160mm 12 3 --- 1 --- 8 ---
174mm 4 --- --- --- --- 4 ---
182mm 1 --- 1 --- --- --- ---
188mm 9 5 --- 4 --- --- ---
200mm 4 --- --- --- --- 4 ---
224mm 9 2 --- 2 --- 5 ---
248mm 1 1 --- --- --- --- ---
274mm 1 --- --- --- --- 1 ---
300mm 1 --- 1 --- --- --- ---
325mm 2 --- --- --- --- 2 ---
401mm 8 4 --- --- --- 4 ---
801mm 2 --- --- --- --- 2 ---
Total 777 280 90 26 61 315 5
Focal length All
Cameras
OM
OM-1
Oly.
Stylus-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Phone

Whether a zoom lens could cover the focal length

Possible lenses All
Cameras
OM
OM-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Oly.
Stylus-1
Phone
Any lens 777 280 26 61 315 90 5
Olympus 7-14mm 101 42 5 --- 43 8 3
Olympus 8-25mm 350 119 15 49 119 43 5
Olympus 9-18mm 245 81 14 49 84 14 3
Olympus 12-100mm 753 273 24 61 301 89 5
Olympus 12-200mm 775 280 26 61 313 90 5
Olympus 12-40mm 624 227 18 61 248 65 5
Olympus 12-45mm 657 238 18 61 261 74 5
Olympus 12-50mm 674 243 18 61 265 82 5
Olympus 14-150mm 698 246 22 61 277 90 2
Olympus 14-42mm 575 200 14 61 224 74 2
Olympus 40-150mm 204 70 10 --- 99 25 ---
Olympus 75-300mm 63 22 7 --- 31 3 ---
Olympus 100-400mm 28 7 2 --- 18 1 ---
OM Systems 150-600mm 13 4 --- --- 8 1 ---
Olympus 150-400mm 13 4 --- --- 8 1 ---
Olympus 150-400mm, 1.25x-TC 10 4 --- --- 6 --- ---
Olympus-MC14, Olympus 40-150mm 101 37 8 --- 48 8 ---
Olympus-MC14, Olympus 100-400mm 13 4 --- --- 8 1 ---
Olympus-MC14, OM 150-600mm 2 --- --- --- 2 --- ---
Olympus-MC14, Olympus 150-400mm, 1.25x-TC 2 --- --- --- 2 --- ---
Olympus-MC20, Olympus 40-150mm 52 15 7 --- 28 2 ---
Olympus-MC20, Olympus 100-400mm 10 4 --- --- 6 --- ---
Olympus-MC20, OM 150-600mm 2 --- --- --- 2 --- ---
Olympus-MC20, Olympus 150-400mm, 1.25x-TC 2 --- --- --- 2 --- ---
Olympus-DSLR 11-22mm 294 98 15 49 96 31 5
Olympus-DSLR 14-54mm 607 213 14 61 235 82 2
Olympus-DSLR 50-200mm 112 42 8 --- 52 10 ---
Olympus-DSLR 70-300mm 75 31 8 --- 33 3 ---
Olympus-DSLR EC14, Olympus 50-200mm 75 31 8 --- 33 3 ---
Olympus-DSLR EC14, Olympus 70-300mm 13 4 --- --- 8 1 ---
Olympus-DSLR EC20, Olympus 50-200mm 28 7 2 --- 18 1 ---
Panasonic 8-18mm 245 81 14 49 84 14 3
Panasonic 10-25mm 350 119 15 49 119 43 5
Panasonic 12-35mm 519 190 16 61 191 56 5
Panasonic 12-60mm 685 244 18 61 271 86 5
Panasonic 14-140mm 697 246 22 61 277 89 2
Panasonic 25-50mm 344 128 3 12 159 42 ---
Panasonic 35-100mm 249 86 8 --- 116 39 ---
Panasonic 100-300mm 26 7 2 --- 16 1 ---
Fixed Lens, Olympus C2100UZ 522 195 12 12 225 76 2
Fixed Lens, Olympus Stylus1 698 246 22 61 277 90 2
Fixed Lens, Olympus TG5 616 216 15 61 237 82 5
Fixed Lens, Panasonic FZ300 717 253 23 61 285 90 5
Fixed Lens, Panasonic FZ300, Tcon17 719 253 23 61 287 90 5
Fixed Lens, Panasonic FZ300, Tcon17, extended optical-3MB 719 253 23 61 287 90 5
Fixed Lens, Panasonic FZ300, Tcon17, extended optical-8MB 719 253 23 61 287 90 5
Fixed Lens, Panasonic FZ300, extended optical-3MB 719 253 23 61 287 90 5
Fixed Lens, Panasonic FZ300, extended optical-8MB 717 253 23 61 285 90 5
Fixed Lens, Panasonic LX10 523 191 16 61 194 56 5
Teleconverter-2x, Fixed Lens, Olympus Stylus1 708 250 22 61 283 90 2
Sigma, EF-M1 18-35mm 295 112 4 12 123 42 2
Sigma, EF-M2 18-35mm 289 92 12 49 91 43 2
Sigma, EF-M2+EF-M1 18-35mm 458 163 13 61 163 56 2
Teleconverter-2x, Olympus 12-100mm 775 280 26 61 313 90 5
Teleconverter-2x, Olympus 12-200mm 777 280 26 61 315 90 5
Teleconverter-2x, Olympus 12-40mm 735 268 20 61 293 88 5
Teleconverter-2x, Olympus 14-150mm 708 250 22 61 283 90 2
Teleconverter-2x, Olympus-DSLR 50-200mm 114 42 8 --- 54 10 ---
Teleconverter-2x, Olympus-DSLR 70-300mm 77 31 8 --- 35 3 ---
Teleconverter-2x, Olympus-DSLR EC14, Olympus 50-200mm 77 31 8 --- 35 3 ---
Teleconverter-2x, Olympus-DSLR EC14, Olympus 70-300mm 13 4 --- --- 8 1 ---
Teleconverter-2x, Olympus-DSLR EC20, Olympus 50-200mm 10 4 --- --- 6 --- ---
Teleconverter-2x, Panasonic 35-100mm 271 93 10 --- 128 40 ---
Teleconverter-2x, Panasonic 100-300mm 28 7 2 --- 18 1 ---
Possible lenses All
Cameras
OM
OM-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Oly.
Stylus-1
Phone

Camera metering mode statistics

Metering Mode All
Cameras
OM
OM-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Oly.
Stylus-1
Phone
center weight metering 506
(64.62%)
132
(47.14%)
26
(100.00%)
---
---
260
(82.54%)
80
(88.89%)
8
(72.73%)
matrix metering 274
(34.99%)
148
(52.86%)
---
---
61
(100.00%)
55
(17.46%)
10
(11.11%)
---
---
spot metering 3
(0.38%)
---
---
---
---
---
---
---
---
---
---
3
(27.27%)
Total 783 280 26 61 315 90 11
Metering Mode All
Cameras
OM
OM-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Oly.
Stylus-1
Phone

Other camera statistics

Other statistics All
Cameras
OM
OM-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Oly.
Stylus-1
Phone
Image stabilization 61 --- --- 61 --- --- ---
Image stabilization (mode 4) 711 280 26 --- 315 90 ---
Digital zoom x1..2 3 --- --- --- --- --- 3
Digital zoom x2 39 11 2 12 14 --- ---
On-board flash used 8 --- --- --- 6 2 ---
External flash used 2 --- --- --- 2 --- ---
Subject Birds (found) 27 27 --- --- --- --- ---
Subject Birds (not found) 34 34 --- --- --- --- ---
Other statistics All
Cameras
OM
OM-1
Oly.
E-M1-I
Oly.
E-M5-I
Oly.
E-M5-III
Oly.
Stylus-1
Phone

Statistics sublinks


Michael Meissner, mrmweb@the-meissners.org