Bresser Vixen extender PH set for R200ss
Produkto numeris: 48285
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- Increases the focal length by a factor of 1.4
- The focal length of the R200SS is increased to 1120 mm (F5.6)
- Interior matte surface prevents reflections
- Special ant-reflective AS coating
- 99.9% light transmission per lens surface
- Construction: 4 elements in 3 groups
- Weight: 245 g
| Type of Product | Telescope acsessories |
The optical system structure of 4 elements in 3 groups corrects the coma error to render sharp images up to the edge of the field of view.
The extender illuminates the field of a full-frame camera (44 image circle) .
When used in combination with the eyepiece adapter, the 31.7 mm eyepiece can be used for visual observations.
The same anti-reflective AS coatings used on our high-end VSD 100 f/3.8 astrograph are also used here to provide an outstanding light transmission of 99.9% per lens surface.
The completely matte surface in the interior keeps loss of light, ghosting and scattered light to a minimum. When used with the 50.8 mm eyepiece adapter, the extender PH kit provides a high-performance Barlow lens for visual observations and eliminates coma and aberrations over the entire field of view.
FEATURES
- Magnification: 1.4x
- 1120 mm (f5.6) focal length from 800 mm (f4)
- AS coating (max. transmission rate of 99.9% per surface)
- Hood elements (3 groups, 4 elements)
- 44 mm image circle (36x24 mm format, covers the full-frame CCD image)
- Construction: 1x PH extender, 1x Extension tube 66
- Filter size: 48 mm, filter is attachable
- Compatible optical lens barrel: R200SS Newton reflector
- Also suitable for visual observations (31.7 mm eyepiece, normally used with eyepiece adapter)
- Diameter: 56 mm x L: 128 mm
- Net weight: 245 g
DELIVERY CONTENT
- Extender PH
- EX Extender 66
- Dust caps
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