The Fresnel lenses we offer are very high quality and produce clear optics for solar sun collection and optical science light refraction. The Fresnel Lenses are manufactured out of Acrylic materal and offer the higher quality cross impression Fresnel Pattern. All lenses have minor imperfections and are noted on the detailed page. These imperfections do not affect solar collection or most scientific light usage.
ALL OUR LENSES ARE SOLAR TESTED
GPS power Estimate 9.3
Condition -Good
$89.99
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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-----------------40H X 30W
• 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
$89.99
BUY IT NOW
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-----------------40H X 30W
• 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.