Inside the 300 MM Beacon
By Tom Miller; posted January 4, 2004
View Original: Click to zoom, then click to magnify (640 x 480) 74KB
|
This shows the red filter that is used inside the 300MM beacon with the outer, clear fresnel lens. |
|
|
This shows the red filter that is used inside the 300MM beacon with the outer, clear fresnel lens. |