SVBONY SV503 102F7 ED Refractor Astronomical Telescopes + 30mm Mini Guide Scope

Description

SV503 102ED telescope
Main features:
SV503 telescope can be for experienced observers; but also for ambitious beginners;With SV503 you will get the most authentic Image; Can be satisfied with more discerning observers.
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.
Ultra-wideband coating: On every glass/air surface, we use the best multi-coating to ensure maximum contrast.
Stable and precise 2" RAP focuser holds heavy photographic accessories safe, 360° rotation.
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
Included accessories: 2" to 1.25" Eyepiece adapter, Dew Shield, Lens Cover, 1.25" Dust Cover, 200mm Dovetail Plate and Optics Tube Ring.
Specifications:
Optics
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:
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 102F7 ED Astronomical Telescopes OTA
Pair Telescope Tube Ring
2" -1.25" Adapter
Dovetail Plate
Lens Cover
1.25" Dust Cover
SV165 Mini Guide Scope
SV165 Mini Guide Scope
Support sensitive auto guiding cameras for easy guide star acquisition
Getting this guide scope makes sense for most astrophotographers out there.
If you're just starting out
, SV165 Mini Guide Scope
is easy-to-use and performs well.
If you're at the other extreme,
using SV165 Mini Guide Scope on your smaller imaging rigs is more practical
than trying to mount a larger, more exotic guide scope.
If
portability
is important to you, SV165 Mini Guide Scope's
compact size and relatively low weight
will cooperate with your requirements.
Note:Back focus distance can stretch up to 45mm.
Please pay attention to stretch to the end.
Features:
SVBONY Compact Ultra-Mini Guide Scope for Auto Guiding Cameras
Compact 4.4"mini guide scope with 30mm f/4 aperture optics
Support sensitive auto guiding cameras for easy guide star acquisition
Features precise helical focus adjustment with thumbscrew lock Ring
Designed for use with the Orion ZWO QYH and so on auto guiding cameras (1.25in or M42 mount interface)
Package Includes
SVBONY 30mm f/4 mini Guide Scope
Two-Ring bracket with a dovetail
Two Nylon-tipped thumbscrews
One Screws Tool
One Dust Cover
Dovetail Slots
Features:
Solid all metal construction ultra-thin design, ultra-light weight
It can be installed to: Celestron C8, C8HD, C925, C11HD, SKYRVER: 80ED, 102ED, 130APO, SKYRVER 100ED binoculars, and other primary mirror, can be fitted to the sharpstar, Celestron another model
Length: along the 34mm
Width of internal slot: 4.2mm
Horizontal length of internal slot:36.5mm
Vertical length of internal slot: 36.5mm
Color: Black
Weight: 41g
Can be fixed: M3-M4 screw
Package Includes:
Black Finderscope Dovetail Slots
2 x Screw
about svbony