300mm f/4 Imaging Newtonian OTA
iOptron
~$1,124.71
1 stores
In stock
The iOptron 300mm f/4 Imaging Newtonian OTA features a fast f/4 focal ratio perfect for imaging deep-sky objects with a DSLR or dedicated astronomy camera. The primary mirror is made from stable BK7 optical glass with at least 92% reflective coatings and includes a protective quartz layer. This OTA comes equipped with a 3.25" Crayford-style focuser, dual split-hinged mounting rings, an 8x50 straight-through finder, and a 14" Losmandy-style dovetail plate ready for immediate attachment to your mount. The steel tube offers significant thermal stability under a wide range of temperatures.
Specifications
| Mirror Reflectivity | 92% |
| Weight | 48 lb |
| Warranty | 1 |
| Focal ratio | f/4 |
| Finderscope | 8x50 Straight-Through |
| Tube Material | Steel |
| Aperture | 300 mm |
| Focuser Type | 3.25 inch Dual-Speed Crayford |
| OTA Length | 45.5 cm |
| Primary Mirror Material | BK7 Optical Glass |
| Dovetail Plate | 14 inch Losmandy Style |
| iEAF Compatible | ✓ |
| Focal length | 1200 mm |
| Focuser Adapter Size | 1.25 in |
| Outside Diameter | 14 in |