The FL series refractors show remarkable improvement in chromatic aberration over d-ray(yellow), c-ray(red), F-ray(blue) and g-ray(purple) in comparison with an ordinary F15 achromatic refractor.The wave length of light transmitted by the Fluorite lens extends from 0.125 micron to 10 microns, which is twice as wide as the transmitting light of BK7 lens. The FL series refractors exhibit their power especially when you take photos of the faint objects, such as nebulae and clusters, and are also most suitable for observing planets at high powers.
| MODEL | GP FL80S (3343) |
GP FL102S (3347) |
GP FL80S SM (3344) |
GP FL102S SM (3348) |
| OBJECTIVE | D=80mm F=640mm(F8) (Fluorite Apochromatic) |
D=102mm F=920mm(F9) (Fluorite Apochromatic) |
D=80mm F=640mm(F8) (Fluorite Apochromatic) |
D=102mm F=920mm(F9) (Fluorite Apochromatic) |
| RESOLVING
POWER MAX.VISIBLE MAGNITUDE |
1.45" 11. |
1.14" 11.8 |
1.45" 11.3 |
1.14" 11.8 |
| LIGHT GATHERING POWER | 131x | 212x | 131x | 212x |
| OPTICAL TUBE SIZE & WT | (L)650mm(OD)90mm 2.3kg | (L)970mm(OD)115mm 3.6kg | (L)650mm(OD)90mm 2.3kg | (L)970mm(OD)115mm 3.6kg |
| FINDERSCOPE | 6x30mm |
6x30mm (achromatic wide view 8 deg) |
6x30mm (achromatic wide view 8 deg) |
6x30mm (achromatic wide view 8 deg) |
| SOLAR APERTURE | 42mm | 45mm | 42mm | 45mm |
| VISUAL BACK | 31.7mm, 36.4mm, 43mm | 31.7mm, 36.4mm, 43mm | 31.7mm, 36.4mm, 43mm | 31.7mm, 36.4mm, 43mm |
| EYEPIECE (31.7mm) |
LV20mm(32x 94')-31.7mm LV5mm(128x 21')-31.7mm |
LV20mm(46x 65')-31.7mm LV5mm(184x 15')-31.7mm |
LV20mm(32x 94')-31.7mm LV5mm(128x 21')-31.7mm |
LV20mm(46x 65')-31.7mm LV5mm(184x 15')-31.7mm |
| MOTOR DRIVE | MOTOR DRIVE SD-1 | MOTOR DRIVE SD-1 | ||
| COUNTERWEIGHT | 2.8kg | 3.7kg | 2.8kg | 3.7kg |
| TRIPOD | Aluminum adjustable
62cm to 90cm long |
Aluminum adjustable
93cm to 150cm long |
Aluminum adjustable
62cm to 90cm long |
Aluminum
adjustable 93cm to 150cm long |
| OTHER ACCESSORIES | Diagonal Prism, Accesory Box, Wrench | Diagonal Prism, Accesory Box, Wrench | Diagonal Prism, Accesory Box, Wrench | Diagonal Prism, Accesory Box, Wrench |
| PHOTOGRAPHY | Telescopic and Direct | Telescopic and Direct | Telescopic and Direct | Telescopic and Direct |
| TOTAL WEIGHT | 17.5kg | 20.9kg | 17.9kg | 21.4kg |