Telescope 70400 Sturman
Appointment
Budget short-focus telescope-refractor Sturman 70400 perfect for Amateur astronomical observations of the Moon and other planets of the Solar system, studies of globular clusters, and extended galaxies and deep sky objects with a limiting magnitude of 11.7 m and a resolution of 1.7”.
The telescope comes with a mount, tripod, full set of accessories (planetary and deep-sky eyepieces, diagonal prism, Barlow lens) and adapter for photo/video via smartphone. Buying Sturman 70400, you get a starter kit for observing and astrophotography.
Parameters and functions
- Achromatic lens a lens of 70 mm
- Focal length 400 mm
- Relative aperture f/6
- Magnification with supplied eyepieces – 20x, 44,5 x to 80x
- Coated optics
- Quick Assembly and adjustment without screwdrivers and keys
- Diagonal prism for correct image orientation
- The azimuthal mount with swivel handle
- Metal tripod with height adjustment supports
Design features and use
Achromatic refractor Navigator 70400 little reacts to changes in temperature, rarely requires re-alignment and builds a great contrast of the image. Achromatic objectives lens corrects chromatism of primary, of secondary chromatism is reduced due to the small relative aperture of 1:6 telescope.
Includes 3 eyepiece:
- 5 mm (80x), for a detailed study of the moon and planets;
- 9 mm (44,5 x), for small galaxies and planetary clusters
- 20 mm (20x) to observe deepsky objects
Lens Barlow 3x 3 times enlarges the magnification of the telescope. Diagonal prism, mounted in front of the eyepiece, not only ensures a correctly oriented image, but also highly comfortable viewing located objects. And thanks to a special eyepiece adapter before you can install the smart phone and save to phone memory any types.
Step-by-step illustrated instructions to properly assemble, install and set up your telescope.
Package contents:
- Metal-tripod
- The azimuthal mount with grip fine movements
- Adapter for mounting the smartphone to the eyepiece
- Roomy bag (zippered, with inside pockets) for storage and transportation
- Manual
- 5x24 optical finder
- Eyepieces: 5mm (80x), 9 mm (44,5 x), 20 mm (20x)
- Lens Barlow 3x
- Diagonal prism
To buy a telescope Sturman (Navigator) in azimuth with the mount order on our online store or call by multichannel phone 8 (code 495) 989-10-56.
Technical parameters
Technical data |
|
Optical scheme | achromatic refractor |
The focus method | moving the eyepiece |
Light diameter, mm | 70 |
Focal length, mm | 400 |
The minimum useful magnification, times | 11 |
The maximum useful magnification, times | 140 |
Limiting stellar magnitude, m | 11,7 |
Resolution, " (ang. seconds) | 1,7 |
Aperture | 1:6 |
Equipment | |
Type mount | Azimuthal |
Eyepieces | 5 mm (80x), 9 mm (44,5 x), 20 mm (20x) |
Prism | Diagonal |
Finder | Optical 5x24 |
Tripod | Aluminum with height adjustment |
Lens diameter (mm) | 70 |
Magnification | 11 — 140 |
Resolution, " (ang. seconds) | 1.7 |
Brand | Sturman |
Optical designs | |
Country of origin | China |
Package dimensions, place 1 (mm) | 460 × 340 × 170 |
Gross weight 1 (kg) | 2.95 |