Astro-Tech AT150EDL
Astro-Tech
Astro-Tech AT150EDL is a 150 mm Premium ED doublet refractor for deeper refractor imaging, smaller galaxies, and high-quality visual observing.
Best Current Offer
Specifications
Optics
- Optical design
- Premium ED doublet refractor
- Aperture
- 150 mm
- Focal length
- 1200 mm
- Focal ratio
- f/8
- Dawes limit
- 0.77"
- Glass / elements
- FCD-100 and lanthanum ED doublet
Imaging
- Camera format
- APS-C / Micro 4/3 with matching flattener
- Full-frame coverage
- No
- Back focus
- Requires field flattener/reducer spacing for imaging
Specifications
- Weight
- 20.5 lb (9.3 kg)
Mechanical
- Focuser
- Dual-speed rack-and-pinion focuser
Astrophotography Fit
Best for deeper refractor imaging, smaller galaxies, and high-quality visual observing when the mount, camera format, and correction hardware are chosen as one system.
Astro-Tech AT150EDL sits in the telescope slot for deeper refractor imaging, smaller galaxies, and high-quality visual observing. The useful headline specs are aperture 150 mm, focal length 1200 mm, f/8.
Camera coverage: APS-C / Micro 4/3 with matching flattener. Back focus: Requires field flattener/reducer spacing for imaging.
Long focal length optics reward patience. Guiding accuracy, seeing, focus stability, mirror behavior, and mount capacity matter more here than they do on small refractors.
Best paired with
- Heavy-duty GoTo mount with generous imaging payload headroom
- Off-axis guider, sensitive guide camera, and motorized focuser
- Small-pixel planetary cameras or appropriately sized cooled deep-sky cameras
Not recommended for
- Undermounted beginner rigs or windy portable setups
- Large nebula framing without a reducer or mosaic plan
- First deep-sky setup if guiding and collimation still feel unfamiliar
Where To Buy
Some links on this page are affiliate links. Prices and availability are pulled automatically from each retailer and updated daily.
| Retailer | Price | Availability | View Offer |
|---|---|---|---|
| Astronomics Astronomics | $2,995.00 | In stock Updated 5/14/2026 | View Offer - $2,995.00 |