6" f/4 Imaging Newtonian OTA
Category: Reflecting Dobsonian
Description
iOptron’s 150mm (approx. 6") f/4 Newtonian optical tube assembly (OTA) with a fast F/4 focal ratio is perfect for imaging deep-sky objects with a DSLR or dedicated astronomy camera. The 2" Crayford-style focuser, dual split-hinged mounting rings, an 8x50 straight-through finder, and an 8" Vixen style dovetail plate make it ready to attach to your mount and start using.
Features
- Dual speed 2" Crayford-style focuser with 1.5" adapter iEAF ready
- BK7 optical glass primary mirror with a protective quartz layer
- 8 x50mm finder scope
- 8" Vixen style dovetail plate with solid full circumference mounting rings
- Front dust cap
- Optional iOptron iEAF Focuser (#8453)
Package includes
#6311 6" Fast Newt OTA
- 6" Optical tube assembly
- 8x50 mm straight-through finder with bracket
- Tube mounting rings
- 8.7" Vixen-style dovetail rail
- 2" 35mm extension tube
- Front dust cover
Specifications
| Optical Design | Newtonian |
| Clear Aperture | 150mm |
| Focal Length | 600mm |
| Focal Ratio | f/4 |
| Focuser | Dual speed Crayford-style |
| OTA Length | 22 inches |
| Outside diameter | 7 inches |
| OTA weight | 9lb. 10oz |
| Extension tube | 2" diameter 35mm L |
| Warranty | One year limited |
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
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Standard Shipping · United States: $0.00
Express Shipping · United States: $3.99
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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.
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