Welcome to Laser Pointer Forums - discuss green laser pointers, blue laser pointers, and all types of lasers

LPF Donation via Stripe | LPF Donation - Other Methods

Links below open in new window

ArcticMyst Security by Avery

635, 650 and 532 beamshots (bright!)

Benm

Benm

0
Joined
Aug 16, 2007
Messages
7,896
Points
113
I've been playing with a couple of lasers and my diigcam, and got some (i think) very nice results.

I wanted to set up a comparison between 635 and 650 looking at the beams rather than just the dots, and my camera captures the difference between them very nicely (more than my eyes do, really).

Shot one: 2.5 second exposure, F2.6 iso 100, with some ambient light on.

I used a tripod and had to aim to get a nice shot, hence the somewhat odd angle of the whole picture. The beams pass the camera at about 20 cm distance on either side, i set it up in the middle of the two beams to get the best comparison.
 

Attachments

  • nice_beams_1.jpg
    nice_beams_1.jpg
    141.3 KB · Views: 108





Benm

Benm

0
Joined
Aug 16, 2007
Messages
7,896
Points
113
Shot 2: Background lighting dimmed to a minimum, and a 10 second exposure with the same setup.

The 635 looks quite orange in this picture, but it didnt look that way to the eye. The difference in brightness between the two looked bigger to the eye than to the camera.
 

Attachments

  • nice_beams_2.jpg
    nice_beams_2.jpg
    106.1 KB · Views: 136
Benm

Benm

0
Joined
Aug 16, 2007
Messages
7,896
Points
113
Shot 3: Add some green to the mix! 2.5 second exposure in the same condition as the previous pictures.

The green beam goes about 50 cm over the camera, but still outshines the red beams by far (it has 3x the power and over 3x the visibility compared to the 635, making it 9 times brighter at least).

Also, it hit a double glazed window about 2 meters beyond the camera, reflecting of both panes and hitting the wall 8 meters further on the left side of the picture.
 

Attachments

  • nice_beams_3.jpg
    nice_beams_3.jpg
    174.8 KB · Views: 107
rangedunits

rangedunits

1
Joined
Jan 15, 2008
Messages
3,575
Points
0
Ive almost forget how bright was my x75 i didint use it for a few week, when i got my hands on dilda.
 
Benm

Benm

0
Joined
Aug 16, 2007
Messages
7,896
Points
113
you using any sort of fog?
Click to expand...

A few cigarettes smoked in the room (which is ~8x4 meters) with a window open, nothing that even looks foggy to the eye.
 
Benm

Benm

0
Joined
Aug 16, 2007
Messages
7,896
Points
113
what are the powers of the reds and green?
Click to expand...

650 is a '5 mW' standard module from DX
635 is 10 mW rated by aixiz, which i have no problem believing
532 is 30 mW or so, one of those CR2 powered pointers KD and DX sell, and a good one at that.
 
You must log in or register to reply here.




Top