Explore Scientific Eyepieces
The Explore Scientific 120°, 100°, 82°, 70° and 68° Series are hyper, ultra-wide and wide field eyepieces. They are computer-designed and optimized to produce high contrast, high resolution, and superior flat field characteristics.
Explore Scientific Eyepieces for Astronomy
Specifications for Explore Scientific Eyepieces
Code | Description | Focal Length, mm | Barrel, inch | Lenses in Groups | Apparent Field of View, deg | Eye Distance, mm | Field Stop Diameter | Height from end of Barrel | Barrel length, mm | Diameter | Field Stop Position | Weight, g |
0218830 | Explore Scientific 30mm 82° | 30 | 2 | 6/4 | 82° | 22,0 | 43,0 | 85,0 | 40,0 | 82,0 | 3,00 | 995 |
0218824 | Explore Scientific 24mm 82° | 24 | 2 | 6.4 | 82° | 17,5 | 33,5 | 69,0 | 34,0 | 69,0 | 3,00 | 700 |
0218818 | Explore Scientific 18mm 82° | 18 | 1,25 | 6/4 | 82° | 13,0 | 25,3 | 54,0 | 28,0 | 55,0 | 3,00 | 395 |
0218814 | Explore Scientific 14mm 82° | 14 | 1,25 | 7/4 | 82° | 15,6 | 18,9 | 50,0 | 33,0 | 47,0 | 3,00 | 270 |
0218811 | Explore Scientific 11mm 82° | 11 | 1.25 | 7/4 | 82 | 15,6 | 15,9 | 57,3 | 30,0 | 48,0 | 3,00 | 290 |
0218808 | Explore Scientific 8,8mm 82° | 8,8 | 1,25 | 7/4 | 82° | 15,6 | 12,4 | 52,5 | 30,0 | 47,0 | 3,00 | 250 |
0218806 | Explore Scientific 6,7mm 82° | 6.8 | 1,25 | 7/4 | 82° | 15,7 | 9,5 | 58,5 | 30,0 | 42,0 | 3,00 | 235 |
0218804 | Explore Scientific 4,7mm 82° | 4,7 | 1,25 | 7/4 | 82° | 13,6 | 6,9 | 54,5 | 30,0 | 42,0 | 3,00 | 220 |
0218640 | Explore Scientific 40mm 68° | 40 | 2 | 6/4 | 68° | 31,0 | 45,5 | 86,5 | 31,0 | 81,0 | 3,00 | 1020 |
0218634 | Explore Scientific 34mm 68° | 34 | 2 | 6/4 | 68° | 26,4 | 38,6 | 73,5 | 31,0 | 70,0 | 3,00 | 700 |
0218628 | Explore Scientific 28mm 68° | 28 | 2 | 6/4 | 68° | 21,6 | 31,8 | 62,5 | 31,0 | 62,0 | 3,00 | 475 |
0218624 | Explore Scientific 24mm 68° | 24 | 1.25 | 6/4 | 68° | 18,4 | 27,2 | 55,0 | 23,5 | 57,0 | 3,00 | 340 |
0218620 | Explore Scientific 20mm 68° | 20 | 1.25 | 6/4 | 68° | 15,3 | 22,8 | 48,3 | 23,5 | 51,0 | 3,00 | 265 |
0218616 | Explore Scientific 16mm 68° | 16 | 1.25 | 6/4 | 68° | 11,9 | 18,2 | 39,5 | 23,5 | 44,0 | 3,00 | 165 |
0218405 | Explore Scientific 5.5mm 100° | 5,5 | 2" | 9/6 | 100° | 11,6 | 9,6 | 118,0 | 31,5 | 60,0 | 3,00 | 620 |
0218409 | Explore Scientific 9mm 100° | 9 | 2" | 9/6 | 100° | 12,5 | 15,7 | 120,0 | 31,0 | 60,0 | 3,00 | 630 |
0218414 | Explore Scientific 14mm 100° | 14 | 2" | 9/6 | 100° | 14,5 | 24,4 | 123,5 | 39,5 | 70,0 | 3,00 | 845 |
0218420 | Explore Scientific 20mm 100° | 20 | 2" | 9/6 | 100° | 14,4 | 34,8 | 122,5 | 39,0 | 70,0 | -15,20 | 916 |
0218425 | Explore Scientific 25mm 100° | 25 | 2" | 10/7 | 100° | 14,5 | 41,0 | 139,6 | 42,7 | 74,0 | -8,00 | 1090 |
0218430 | Explore Scientific 30mm 100° | 30 | 3" | 8/6 | 100° | 19,1 | 52,2 | 150,0 | 40,0 | 106,5 | 8,00 | 2275 |
0218909 | Explore Scientific 9mm 120° | 9 | 2" | 12/8 | 120° | 12,6 | 21,7 | 113,2 | 36,0 | 79,0 | -1,00 | 1300 |
0218912 | Explore Scientific 12mm 92° LER | 12 | 2" | 8/6 | 92° | 19,9 | 19,6 | 119,0 | 33,0 | 70,0 | 1030 | |
0219917 | Explore Scientific 17mm 92° LER | 17 | 2" | 8/6 | 92° | 22,0 | 27,4 | 109,0 | 39,0 | 72,0 | 0,00 | 1175 |
0219605 | Explore Scientific waterproof 5.5mm 62° | 5.5 | 1.25" | 6/4 | 62 | 12,85 | 6,7 | 33,5 | 23,5 | 33,6 | 3 | 110 |
0219609 | Explore Scientific waterproof 9mm 62° | 9 | 1.25" | 6/4 | 62 | 12,55 | 10,9 | 32,5 | 23,5 | 33,6 | 3 | 115 |
0219614 | Explore Scientific waterproof 14mm 62° | 14 | 1.25" | 5/3 | 62 | 10,4 | 14,7 | 26,5 | 23,5 | 39 | 3 | 100 |
0219620 | Explore Scientific waterproof 20mm 62° | 20 | 1.25" | 5/3 | 62 | 14,8 | 20,9 | 36,5 | 23,5 | 44 | 3 | 145 |
0219626 | Explore Scientific waterproof 26mm 62° | 26 | 1.25" | 5/3 | 62 | 19,3 | 27,3 | 47,5 | 23,5 | 53 | 3 | 235 |
0219632 | Explore Scientific waterproof 32mm 62° | 32 | 2" | 5/3 | 62 | 22,2 | 33,6 | 58,8 | 31 | 64 | 3 | 420 |
0219640 | Explore Scientific waterproof 40mm 62° | 40 | 2" | 5/3 | 62 | 28,2 | 42,2 | 73,8 | 31 | 75 | 3 | 660 |