FRA500
- Stok: Ön Sipariş
- Stok Kodu: FRA500
FRA500 Parameters | ||
Aperture size | 90mm | |
Focal length | 500mm | |
Focal ratio | f/5.6 | |
Objective lens | Quintuplet air-spaced APO (including two ED glass) | |
Image circle | 55mm | |
Maximum connection range | 85mm（from base of M48×0.75 thread on the conical extender to focal plane） 158mm（from base of M86×1 thread on the rotator to focal plane） | |
Total length | 452mm（407mm when the dew shield is contracted） | |
OTA Weight | 4.1kg | |
Total Weight (Including tube ring&dovetail plate） | 5.2kg | |
Rear-end thread type | 86×1 | |
Conical adapter | 48×0.75 | |
Package items | An FRA500 OTA, a pair of tube rings, a handle, an Askar Losmandy dovetail plate, a conical extender, a manual | |
FRA500 Parameters | ||
Aperture size | 90mm | |
Focal length | 500mm | |
Focal ratio | f/5.6 | |
Objective lens | Quintuplet air-spaced APO (including two ED glass) | |
Image circle | 55mm | |
Maximum connection range | 85mm（from base of M48×0.75 thread on the conical extender to focal plane） 158mm（from base of M86×1 thread on the rotator to focal plane） | |
Total length | 452mm（407mm when the dew shield is contracted） | |
OTA Weight | 4.1kg | |
Total Weight (Including tube ring&dovetail plate） | 5.2kg | |
Rear-end thread type | 86×1 | |
Conical adapter | 48×0.75 | |
Package items | An FRA500 OTA, a pair of tube rings, a handle, an Askar Losmandy dovetail plate, a conical extender, a manual | |
