Vixen PORTA-A70Lf 70mm Mobile Telescope with Mount Tripod and Accessories
An ideal telescope for grab and go observing.
The A70Lf refractor is a basic all-around telescope that gives beginners intriguing views of lunar crators and Saturn's rings.
Simple and intuitive operation by friction stop motion.The MOBILE PORTA has the same function as the PORTA II and you can swing the telescope by hand in the vertical and horizontal directions freely and stop with simple friction.
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Dovetail-plate AttachmentWith Vixen's renowned dovetail-plate system, different optical tubes can be easily attached. The mount holds optical tubes weighing up to 3.5 kg.
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Accessory trayThe accessory tray is convenient in putting small pieces such as eyepieces. It is useful when observing at night.
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Slow motion control handlesThe slow motion control handles of the MOBILE PORTA allow for operating the mount in the whole-circle of the vertical and horizontal movements. It is helpful as used together with the friction stop mechanism when observing at high magnification. The position of the slow motion control handles can be changed if needed.
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Movable multi-armThe direction of the multi-arm can be rotated in 15 degree intervals so that you can avoid interfering with the slow motion control handle or the optical tube. In addition, the vertical slow motion control handle can be moved outward, in the horizontal direction, to avoid interference with the horizontal slow motion control handle.
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Foldable mount headThe mount head of the MOBILE PORTA can be folded for convenient strage or transport. The mount head is detachable from the tripod. The tube and Tripod Bag 100, sold separately, is the perfect bag for storage and transport of your MOBILE PORTA. An optical tube cannot be put together in the bag.
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Optical Tube
| Objective lens | D=70mm, Achromatic, multi-coated |
| Focal length (Focal ratio) | F=900mm (f12.9) |
| Resolving power / Limiting magnitude | 1.66 arc seconds / 11.0 |
| Light gathering power | 100× unaided eye |
| Size / Weight | 76mm dia × 860mm / 2.5kg (Net 1.9kg) |
| Finder scope | 6x24mm, 5 degrees FoV |
Focuser
| Focusing mechanism | Rack-and-pinion type |
| Adapter threads / Visual back | 42mm for T-ring, 317mm push-fit |
| Eyepieces | NPL20mm (45X, 65' field of view), NPL6.3mm (143X, 22' field of view) |
Tripod
| Leg type, material | 2-section aluminum legs with quick-release leg clamps |
| Size | Adjustable from 720mm to 1290mm in length (from 640mm to 1140mm in height), setup radius from 410mm to 700mm |
Others
| Accessories | Erect-image prism 31.7, Allen wrenches 4mm and 3mm |
Others
| Photography | Usable with Prime focus, Eyepiece projection and Aforcal imaging |
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Solar observation
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Not available |
| Total weight | 4.9kg (without eyepieces) |
Brand: Vixen |
Code: VX39905
APN: 4955295399055 |
Supplier Code: 39905
Simple and intuitive operation by friction stop motion.The MOBILE PORTA has the same function as the PORTA II and you can swing the telescope by hand in the vertical and horizontal directions freely and stop with simple friction.
|
|
|
|
Dovetail-plate AttachmentWith Vixen's renowned dovetail-plate system, different optical tubes can be easily attached. The mount holds optical tubes weighing up to 3.5 kg.
|
Accessory trayThe accessory tray is convenient in putting small pieces such as eyepieces. It is useful when observing at night.
|
|
|
|
Slow motion control handlesThe slow motion control handles of the MOBILE PORTA allow for operating the mount in the whole-circle of the vertical and horizontal movements. It is helpful as used together with the friction stop mechanism when observing at high magnification. The position of the slow motion control handles can be changed if needed.
|
Movable multi-armThe direction of the multi-arm can be rotated in 15 degree intervals so that you can avoid interfering with the slow motion control handle or the optical tube. In addition, the vertical slow motion control handle can be moved outward, in the horizontal direction, to avoid interference with the horizontal slow motion control handle.
|
|
|
|
Foldable mount headThe mount head of the MOBILE PORTA can be folded for convenient strage or transport. The mount head is detachable from the tripod. The tube and Tripod Bag 100, sold separately, is the perfect bag for storage and transport of your MOBILE PORTA. An optical tube cannot be put together in the bag.
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