3.25" SPOT OPTICAL GLASS
$12

USA S/H---$5--

CANADA S/H---$14--

WORLDWIDE---$16--

Green Power Science is dedicated to the backyard scientist. Our belief is that some of the smartest people in the world discover the best things through trial and error IN THEIR OWN BACKYARDS OR GARAGES. We welcome all levels of creativity and hope you find the answers you are looking for.

3.25" diameter crystal clear optical GLASS
This lens is optically perfect and will work for optical projects
and is a great option for survivalist fire starting.
This lens is in mint condition and ready to go. Great for science projects and
outdoor camping etc. Fantastic for enlargement of micro work visual aid.

2017 greenpowerscience.com

3.25 inch DIAMETER lens shown
Data on 3.25" lens
  • SIZE-----------------3.25" DIAMETER 
  • BEAM-----------------SPOT
  • BEAM SIZE MAX POWER--0.1 INCH
  • FOCAL LENGTH---------3-5 INCHES
  • WEIGHT --------------7 OUNCES
  • MAX TEMP. CLIMB------1000 F IR THERMOMETER
  • MAX COLLECTION-------NA
  • MATERIALS TESTED
    • WATER-------SPOT BOILS not for cooking too small
    • GLASS-------shatters not melt
    • ZINC PENNY--tiny spot

THIS IS NOT A TOY.
READ WARNING AND TERMS BELOW.




NEVER STORE EXPOSED LENS NEXT TO ANY STRUCTURE!!!!!!!!!!
NEVER LEAVE LENS UNCOVERED WHEN NOT IN USE!!!!!
Buyer agrees to accept all responsibilities. and AGREES TO hold
seller harmless from injury or damages resulting in the use and possible mis-use of this item.
MUST BE 18 years or older to purchase.
THIS IS NOT A TOY, REAL SCIENCE STUFF!!!!!