![]() |
|
||||||||
| Portal | PhotoPost Gallery | Register | Blogs | FAQ | Members List | Calendar | Search | Today's Posts | Mark Forums Read |
|
|
Thread Tools | Display Modes |
|
#2
|
|||||
|
|||||
|
I feel that 'actinic' claim is bunk
Photosynthetic critters need light in a much different spectrum than 420nm How does 420nm compare to, say, 6500K ? |
| Thread Tools | |
| Display Modes | |
|
|