PlaneWave DeltaRho 350 Telescope
Starting Price: $21,500.00
Price as Configured: $21,500.00
Price as Configured: $21,500.00
Brand: PlaneWave Instruments / SKU: PW-140126Q
The DeltaRho 350 from PlaneWave Instruments is a pinnacle of innovation designed for avid astronomers and astrophotographers. Created with a passion for excellence, the DeltaRho 350 brings groundbreaking features to advanced imaging, offering unmatched versatility across a spectrum of scientific and space communication applications.
The DeltaRho 350 boasts a suite of top-tier features that set it apart:
- Large 350mm aperture
- Fast f/3 focal ratio
- 1050 mm focal length
- 60mm Image circle (> 3 degrees)
- 143.535 mm back focus from the mounting surface; 64.135 mm with Series-5 focuser and rotator
- Advanced corrected Cassegrain focus optical design
- Robust carbon fiber tube construction
NOTE: Shipping cost will be determined after the order is made and must be paid for before the telescope will ship. A shipping quote can be obtained on request.
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Optical System
| Optical Design | Corrected Dall-Kirkham (CDK) |
| Aperture | 350 mm |
| Focal Length | 1050 mm (41.34 inch) |
| Focal ratio | f/3 |
| Central Obstruction | 56 % by diameter |
| Back Focus from Mounting Surface | 5.651 inch (143.535 mm) |
| Weight | 46 lbs (21 kg) |
| OTA Length | 23 inch (584 mm) |
| Optical Performance | 4.9 micron RMS on-axis, 6.2 micron RMS at 23 mm off-axis, and 7.6 micron RMS at 30 mm off-axis |
| Telescope Cage | Carbon fiber truss poles with carbon fiber shroud |
| Optimal Field of View | 60mm image circle |
Secondary Mirror
| Diameter | 190 mm (7.48 inch) |
| Material | Fused silica (quartz) |
| Shape | Spherical |
| Coating | Enhanced aluminum – 96% |
Primary Mirror
| Optical Diameter | 13.78 inches (350mm) |
| Outer Diameter | 14.5 inches (468.3mm) |
| Shape | Prolate ellipsoid |
| Material | Fused silica (quartz) |
| Coating | Enhanced aluminum – 96% |
Lens Group
| Diameter | 110 mm (4.33 inch) |
| Number of lenses | Three |
| Coating | broadband AR Coatings (less than .5% reflected from 400 to 700nm) |
Standard Features
| Corrected Cassegrain | The corrected design yields a flat field free from off-axis astigmatism, coma, and field curvature. |
| Carbon Fiber Truss Design | Minimizes thermal expansion which causes focus shift with changes in temperature. |
| Dovetail Expansion Joint | Allows for the difference in thermal expansion between carbon fiber and aluminum. The expansion joint allows the aluminum dovetail expand and contract without stressing the carbon fiber lower truss |
| Cooling Fans | Three cooling fans blow air inside the back of the telescope. This helps the telescope to reach thermal equilibrium quickly. The fans are controlled by a computer if the optional Electronic Focus Accessory (EFA Kit) is purchased. |
| Delta-T Ready | For added dew prevention, the DR350 is internally wired with polyimide film heater pads and temperature sensor, ready to be controlled with the optional Delta-T controller. |
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