These Fresnel lenses have very clear optics for solar sun collection and optical science light refraction. These Fresnel Lenses are manufactured out of POLYCARBONATE with a high quality cross impression rubberized Fresnel Pattern. All lenses have minor imperfections and this discount Fresnel Lens is NOT designed for continuous outdoor exposure. These imperfections do not affect solar collection or most scientific light usage. This lens will last years with proper care. Note, while the optics are awesome, these are not the same UV resistant outdoor lenses on our website. May 3, 2022 updated.
ALL OUR LENSES ARE SOLAR TESTED
GPS power Estimate 9.3
Condition -Good scratches imperfections
$89.99
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All lenses have minor scratches and scuff marks. These are minor and WILL NOT EFFECT SOLAR PERFORMANCE. POLYCARBONATE with rubberized Fresnel Pattern.
ACTUAL SIZE-----------------39H X28W
• POWER EST.-----------9.3
• BEAM-----------------SPOT
• BEAM SIZE MAX POWER--.4 INCH
• FOCAL LENGTH---------31 INCHES
• WEIGHT --------------12 LBS.
• MAX TEMP. CLIMB------2300 F IR THERMOMETER
• MAX COLLECTION-------2603F MATERIAL EST...........
• MATERIALS TESTED
• WATER------------12oz. BOILS 70 sec.
• WOOD-------------FLAME .1 SEC.
• ZINC-------------MELTS .5OZ 14 GRAMS - 10 SEC. * 3.1 GRAMS - 6 SEC.
• GLASS------------MELTS 1" X 1/4" BROWN GLASS 15 SEC.
• CONCRETE---------GLOW 14 SEC. EXPOSURE, MELT 33 SEC
The lens is secured with 53lbs. of pressure incased in a custom frame. This frame is very strong and has mounting holes ready for use.
GPS power Estimate 8.0
Condition -Good
$119.99
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All lenses have minor scratches and scuff marks. These are minor and WILL NOT EFFECT SOLAR PERFORMANCE. The lens image below is the same model and style you will get.
SIZE-----------------39H X28W
• POWER EST.-----------8.0
• BEAM-----------------LINEAR
• BEAM SIZE MAX POWER--5 NCHS
• FOCAL LENGTH---------30 INCHES
• WEIGHT --------------11 LBS.
• MAX TEMP. CLIMB------800 F IR THERMOMETER
• MAX COLLECTION-------1123F MATERIAL EST...........
• MATERIALS TESTED
• WATER------------12oz. BOILS 100 sec.
• WOOD-------------FLAME 5 SEC.
• ZINC-------------MELTS .5OZ 14 GRAMS - 45 SEC.
• GLASS------------NO
• CONCRETE---------NO
The lens is secured with 53lbs. of pressure incased in a custom frame. This frame is very strong and has mounting holes ready for use.