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SV503 Refractor 70mm ED F6 Telescope Bundle Set for Astronomical Visual Observations

SKU: F9359A-F9171B-W2370A-W9141A-W9158A-W9158B-W9158C
US$ 509.99 -15%
List Price: US$ 599.99
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SV503 Refractor 70mm ED F6 Telescope Bundle Set for Astronomical Visual Observations

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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 Ø​37.5x43.5mm​ Ø​37.5​×52.2mm Ø​48.0×57mm
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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