From $5,999.99
2 stores
The Explore Scientific 140mm f/6.5 FPL-53 ED APO Refractor is a premium apochromatic triplet refractor featuring Ohara's finest FPL-53 extra-low dispersion glass in an air-spaced optical design that virtually eliminates chromatic aberrations. With its carbon fiber optical tube and powerful 910mm focal length, this telescope excels at both visual observation and astrophotography of lunar terrain, planetary details, and deep-sky objects, while remaining remarkably portable with integrated dew shield and robust 3-inch hexagonal focuser. The true diffraction-limited optical design combined with EMD enhanced multi-layer coatings delivers exceptional contrast and color rendition, making it an ideal grab-and-go instrument for serious astronomers and imagers.
| Tube Length (With Dew Shield) | 991 mm |
| Optical Tube Material | Carbon Fiber |
| Resolution | 0.9″ |
| Optical design | Air-Spaced Triplet APO |
| Weight | 21 lb |
| Glass Type | Ohara FPL-53 Extra-Low Dispersion |
| Weight (with cradle) | 9.45 kg |
| Dovetail | Vixen |
| Focal ratio | f/6.5 |
| Focuser Payload Capacity | 10 lb |
| Aperture | 140 mm |
| Focuser Size | 3 in |
| Tube Length (Without Dew Shield) | 844 mm |
| Warranty | 1 |
| Focal length | 910 mm |
| Focuser Type | Hexagonal Rack-and-Pinion |
| Limiting Magnitude | 13 |
Explore Scientific
$1,599.99
Explore Scientific
~$1,645.60