From ~$1,671.31
3 stores
The Starfield EDT 90mm f/6 Triplet APO is a premium wide-field imaging refractor designed for both astrophotographers and visual observers. Featuring FPL53 extra-low dispersion glass for exceptional chromatic correction, this triplet delivers sharp, color-free images across the entire field. The lightweight 9 lb design pairs with a 2.5" dual-speed rack-and-pinion focuser, retractable dew shield, and camera angle rotator for flexible imaging without focus shift, making it an excellent choice for deep-sky nebula and galaxy photography with APS-C or full-frame sensors.
| Focal length | 540 mm |
| Focuser | 2.5 inch Dual-Speed Rack and Pinion |
| Dovetail | Vixen-style |
| Optional 0.8x Reducer Focal Ratio | f/4.8 |
| Optical Glass | FPL53 (Ohara, Japan) |
| Accessory Compatibility | 2 inch and 1.25 inch eyepieces, 63mm accessories |
| Optical design | Triplet Apochromatic (APO) |
| Image Circle Diameter | 44 mm |
| Aperture | 90 mm |
| Weight | 9 lb |
| Maximum Visual Magnification | 300 |
| Optional 0.8x Reducer Focal Length | 432 mm |
| Focal ratio | f/6 |
| Focuser Diameter | 2.5 mm |
| Dew Shield | Retractable |
Explore Scientific
$1,599.99