Astronomical Telescope Achromatic Refractor With Dovetail Plate Dust Cover

Description

Astronomical Telescope Achromatic Refractor With Dovetail Plate Dust Cover
Main features:
1.The 102mm F/7 Extra-Low Dispersion refractor is portable telescope for observing and astrophotography. The very well corrected optics with moderate focal ratio and special glass offers an almost color-free image.
2.Ultra-wideband coating: On every glass/air surface, we use the best multi-coating to ensure maximum contrast.
3.Stable and precise 2" RAP focuser holds heavy photographic accessories safe, 360° rotation.
4.The 1:10 micro-reduction is ideal for astrophotography and allows precise focusing.
5.Recommended for Advanced: Telescopes for experienced observers, but also for ambitious beginners.
6.Area of application: Astrophotography.
7.Included accessories: 2" to 1.25" Eyepiece adapter, Dew Shield, Lens Cover, 1.25" Dust Cover, 200mm Dovetail Plate and Optics Tube Ring.
Specifications:
1.Type: Refractor
2.Type of build: Doublet air spaced achromatic
3.Glass Grades: S-FPL51
4.Aperture: 102mm / 4.01-Inch
5.Focal length: 714mm
6.Aperture ratio: f/7
7.Resolving capacity: 1.17"
8.Limit value: 12.1
9.Light gathering capacity: 212x
10.Max. Useful magnification: 204x
11.Tube weight: 3.95kg
12.Tube outer diameter: 121mm
13.Tube material: Aluminium
14.Coating: SMC
Focuser:
1.Type of build: RAP ((rack and pinion)
2.Connection: 2-inch
3.Connecting threaded socket: M54*0.75
4.Ring clamp: Yes
5.Rotating：Yes
6.Gear reduction: 1:10 Fine movement
The packaging includes:
1. SV503 102F7 ED Astronomical Telescopes OTA
2. Pair Telescope Tube Ring
3. 2" -1.25" Adapter
4. Dovetail Plate
5. Lens Cover
6. 1.25" Dust Cover