SV503 Refractor 70mm ED F6 Telescope Bundle Set for Astronomical Visual Observations
Specifications
| Product |
SV503 70F6 ED Astronomy Telescope |
| Type |
Refractor |
| ED Glass |
S-FPL51 |
| Coating |
SMC |
| Aperture |
70mm / 2.75-Inch |
| Focal length |
420mm |
| Focal Ratio |
f/6 |
| Type of Focuser |
RAP (Rack and Pinion) |
| Gear Reduction |
1:10 Fine movement |
| Resolving capacity |
1.97" |
| Limit value |
11.3 |
| Light gathering capacity |
100x |
| Max. Useful magnification |
140x |
| Tube weight |
2.22kg |
| Tube outer diameter |
88mm |
| Tube material |
Aluminium |
| Back Focus Length |
90mm |
| OTA Length |
318mm |
| Dovetail & Ring |
Yes |
| Dovetail Length |
150mm |
| Model |
SV182 |
| Lens Diameter |
30 mm |
| Focal Length |
120 mm |
| Magnification |
6x |
| Eye Relief |
15mm |
| Exit Pupil |
5mm |
| Field of View |
7.5° |
| Lens coating |
FMC |
| Objective |
Achromatic 2-Element |
| Net Weight |
225g / 0.49lb / 7.92oz |
| Model |
W2370A |
| Length |
along the 34mm |
| Width of internal slot |
4.2mm |
| Horizontal length of internal slot |
36.5mm |
| Vertical length of internal slot |
36.5mm |
| Can be fixed |
M3-M4 screw |
| Color |
Black |
| Weight |
41g |
| L*W*H |
45*40*25mm |
| Model |
SV188P |
| SKU |
F9171B |
| Size |
1.25inch |
| Optical Design |
Mirror Diagonal |
| Coatings |
Dielectric |
| Reflectivity |
dielectric 99% coating for bright images |
| Material |
Aluminum Alloy |
| Filter Threads |
M28.5*0.6 |
| M4 Set Screws |
Yes |
| Outer Connection(Lens Sided) |
Barrel 1.25inch |
| Inner Connection(Lens Sided) |
Thread M28.5x0.6 |
| Inner Connection(Eyepiece Sided) |
Clamp 1.25inch |
| Reflection Surface |
Dielectrically Coated |
| Image Orientation |
Erect Image, Mirror Inverted |
| Thickness of Mirror |
11mm |
| Net Weight |
125g / 4.41oz |
| Model |
SV207 |
| Eyepiece Type |
Super Plossl |
| Focal Length |
8mm |
15mm |
25mm |
| Field of View |
50 degrees |
| Eye Relief |
4.5mm |
11mm |
19.5mm |
| Field stop Diameter |
6.8mm |
12mm |
20.4mm |
| Net Weight |
78g/2.75oz |
100g/3.53oz |
130g/4.59oz |
| Dimension |
Ø37.5x43.5mm |
Ø37.5×52.2mm |
Ø48.0×57mm |
| Material |
Metal |
| Thread Size |
M28.5×0.6 |
| Lens group |
2 gruop/4 PCS |
| Lens Coating |
FMC |
| Side of the lens coating |
Extinction Ink |
| Non-slip cover |
YES |
| Eyecup Type |
Rubber |
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