Description
Specification:
|
Type |
Refractor |
|
Type of build |
Doublet air spaced achromatic |
|
Glass Grades |
S-FPL51 |
|
Aperture |
102mm / 4.01-Inch |
|
Focal length |
714mm |
|
Aperture ratio |
f/7 |
|
Resolving capacity |
1.17′ |
|
Limit value |
12.1 |
|
Light gathering capacity |
212x |
|
Max. Useful magnification |
204x |
|
Tube weight |
3.95kg |
|
Tube outer diameter |
121mm |
|
Tube material |
Aluminium |
|
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
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.
Package included:
1 x SVBONY SV503 Astronomical Telescope
1 x Pair Telescope Tube Ring
1 x 2′-1.25′ Adapter
1 x Dovetail Plate
1 x Lens Cover
1 x 1.25′ Dust Cover
