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APM Apochromatic Refractor AP 140/980 SD 140 F7 OTA
Original price was: $357.00.$99.99Current price is: $99.99.
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Product description
It is not only important which telescope you buy, but also where you buy it.
We provide extra help:
- We are a leading telescope dealer and know these instruments like the back of our hands.
- We are always very happy to offer our assistance after your purchase, should you encounter any problems with your telescope’s setup or operation.
- Our ‘Telescope Basics’ booklet – an 80-page beginner’s guide for our telescopes – is provided free of charge with every telescope we sell.
| Type | Refractor |
|---|---|
| Dew Shield | yes |
| Tube clamps | yes |
| Transport cases | no |
| Finder scope | without |
| finder base | Vixen/Skywatcher Level |
| Eyepiece adaptor | 1,25" – 2" |
| Carrying handle | yes |
| Prism rail | Losmandy-Style |
| Mounting type | no mount |
| Astrophotography | yes |
| Moon & Planets | yes |
| Nature Observation | no |
| Nebulae & galaxies | yes |
| Sun | no (Only with appropriate Sun filter) |
| Beginners | no |
| Advanced | yes |
| GoTo control | no |
| Gear reduction | 1:10 Fine movement |
| Type of build | OTA OTA An OTA is an optical tube without a mount. It is short for optical tube assembly.Click to read more… |
| Max. useful magnification | 280 |
| Free aperture(mm) | 64 |
| Focal length(mm) | 980 |
| Aperture ratio(f/) | 7 |
| Resolving capacity | 0,82 |
| Limit value(mag) | 12,5 |
| Light gathering capacity | 400 |
| Tube material | Aluminium |
| Rotating | yes |
| Tube weight(kg) | 8,8 |
| Tube length(mm) | 1030 |
| tube diameter(mm) | 152 |
| Coating | multiple |
| Tube construction | Full tube |
| lens design | Doublet Doublet A refractor with two lenses. Compared to an achromat, it displays significantly less chromatic aberration and more contrast.Click to read more… |
| Backfocus(mm) | 180 |
| Observatories | no |
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