PlaneWave DeltaRho 350
PlaneWave
DeltaRho 350 Optical Tube Assembly is an optical tube for general deep-sky imaging and visual observing.
Best Current Offer
Specifications
Optics
- Optical design
- Corrected Cassegrain / Rowe-style f/3 astrograph
- Aperture
- 350 mm (13.7 in)
- Focal length
- 1050 mm
- Focal ratio
- f/3
- Dawes limit
- 0.33"
- Lens design
- Enhanced aluminum – 96%
- Central obstruction
- 56 % by diameter
Imaging
- Image circle
- 60 mm
- Field of view
- 60 mm image circle
- Full-frame coverage
- Yes
- Back focus
- 142.24 mm from mounting surface
Mechanical
- Weight
- 46 lb (21 kg)
- Tube length
- 584 mm (23 in)
Astrophotography Fit
Best for general deep-sky imaging and visual observing when the mount, camera format, and correction hardware are chosen as one system.
DeltaRho 350 Optical Tube Assembly sits in the telescope slot for general deep-sky imaging and visual observing. The important buying question is whether the optical design, focal length, and mount demands match the targets you actually shoot.
Treat it as a system component rather than a standalone tube: the mount, corrector, camera, and focusing hardware decide how good the final data can be.
Best paired with
- Corrected field flattener or reducer when the design requires one
- Cooled APS-C or smaller astro cameras matched to the image circle
- Autofocus, guide scope or OAG, and a mount with comfortable payload margin
Not recommended for
- Large full-frame sensors unless the corrected field supports them
- Very small travel mounts near their realistic imaging payload limit
- Buyers expecting one telescope to be ideal for every target size
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 |
|---|---|---|---|
| Cloud Break Optics Cloud Break Optics | $21,500.00 | In stock Updated 5/15/2026 | View Offer - $21,500.00 |