SVBONY SV503 70/420ED Travel Scope F6 Refractor Astronomical Telescopes SMC RAP

Description

ED objective lens
SV503 objective lens uses ultra-low dispersion lens; ED material can effectively correct the dispersion; the image is closer to the true color; thus achieving the ideal imaging effect.
Dovetail plate
SV503 telescope comes with 1 pair telescope tube ring.It can be fixed to the dovetail slot by a dovetail plate.Stable connection of theodolite and tripod.
Telescopic sunshade
Effectively block strong light and stray lightProvideclearimages.It can also provide effective protection for the objective lens in light rain.
1:10 micro-reduction
Dual speed focusing system;The gear ratio of the dual speed 2-inch toothed focuser with a reduction ratio of 1:10;a combination of constant-speed and fine-speed ; Easy to achieve precise focus.
Dovetail plate
SV503 telescope comes with 1 pair telescope tube ring.It can be fixed to the dovetail slot by a dovetail plate.Stable connection of theodolite and tripod.
The high-quality 2-Element objective provides sharp and high-contrast images for travel and mobile use.
This 70F6 ED refractor is an ideal telescope the telescope weighs only about 2.22 kg and thanks to the retractable dew cap it is only 301mm/ 11.85in short.
The 2" RAP (rack and pinion) focuser holds heavy photographic accessories safe.
The 1:10 micro-reduction is ideal for astrophotography and allows precise focusing.
Recommended for Advanced: Telescopes for experienced observers, but also for ambitious beginners.
Area of application: Astrophotography, Moon & Planets, Nature Observation, Nebulae & galaxies.
Included accessories: 2" to 1.25" Eyepiece adapter, Dew Shield, Lens Cover, 1.25" Dust Cover, 150mm Dovetail Plate and Optics Tube Ring.
Specifications:
Optics
Type: Refractor
Type of build: Doublet air spaced achromatic
Glass Grades: S-FPL51
Aperture: 70mm / 2.75-Inch
Focal length: 420mm
Aperture ratio: f/6
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
Coating: SMC
Focuser:
Type of build: RAP ((rack and pinion)
Connection: 2-inch
Connecting threaded socket: M54*0.75
Ring clamp: Yes
Rotating: Yes
Gear reduction: 1:10 Fine movement
The packaging includes:
SV503 70F6 ED Astronomical Telescopes OTA
Pair Telescope Tube Ring
2" -1.25" Adapter
Dovetail Plate
Lens Cover
1.25" Dust Cover
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