Hi everybody !!!
i would like to reduce the beam divergence of my 5mW leadlight, but i don't know what's the lens i need to change and with other i can remplaced.
it is the biconcave lens or the plano convex after the MCA?
and what the focal, etc, etc .... i need to reduce my beam divergence?
Firefly
i would like to reduce the beam divergence of my 5mW leadlight, but i don't know what's the lens i need to change and with other i can remplaced.
it is the biconcave lens or the plano convex after the MCA?
and what the focal, etc, etc .... i need to reduce my beam divergence?
Firefly