led versus tungsten lights

11:06

6:12

5:18

1:00

14:43

12:50

00:58

5:35

9:17

20:59

12:06

7:09

12:27

6:07

13:42

5:14

5:17

9:37

21:24

1:19

10:47

24:25

10:55

6:34

4:12

20:23

2:56

11:08

7:46

40:34

11:27

4:09

7:15

5:06

28:18

7:17

6:17

4:04

1:39

1:38

15:34

1:53

10:25

4:58

3:37

8:37

11:01

00:30

1:31

5:34

1:46

00:38

11:19

17:10

9:53

00:44

6:47

5:56

3:38

1:37