Where can I find a nice big lens/magnifier

[Crankshaft]

Hi

I'm on the lookout for a large lens - approx 200mm diameter.

Preferably glass.

Want to focus the sun's rays onto a tiny spot.  *evil grin*

Crank

 

[d0dja]

 

[Shonver]

 

[Rodney_gold]

 

[fdlsys]

 

[Crankshaft]

 

[ludo]