From $439.00
3 stores
The Askar FMA180 Pro is a compact, high-performance sextuplet apochromatic refractor optimized for wide-field astrophotography and imaging. Featuring a 40mm aperture, 180mm focal length, and fast f/4.5 focal ratio, this six-element optical design incorporates two ED (extra-low dispersion) glass elements for excellent chromatic aberration correction. The Pro model includes an internal helical focusing mechanism, integrated 360-degree rotator, and Vixen-style finder base for enhanced stability and versatility, making it suitable for both deep-sky imaging and use as a high-performance finder or guide scope.
Starizona
FMA 180 Pro 40mm f/4.5 Sextuplet APO Lens / Astrograph
$439.00
High Point Scientific
FMA180 Pro Sextuplet APO Refractor
$439.00
Astronomy Plus
FMA180 Pro 40mm f/4.5 Sextuplet Apo Lens (FMA180-PRO)
CA$615.00
~$449.45
| Optical design | Sextuplet Air-Spaced Apochromatic |
| Focuser Type | Internal Helical |
| ED Glass Elements | 2 |
| Filter Thread | 2 inch |
| Thread Interface | M48x0.75 |
| Focal length | 180 mm |
| Weight | 800 lb |
| Focal ratio | f/4.5 |
| Back Focus | 55 mm |
| Aperture | 40 mm |
| Tube Length | 145 mm |
| Rotator | 360-Degree |
| Dovetail Mount | Vixen-Style |