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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 In Stock