EYSDON 50mm Telescope Guide Scope 180mm Focal Length Fully Coated Finder Eyepiece with 1.25" Ports Duable Helical Focuser

Product Description:

50mm guide scope with bright, wide-field optics puts numerous potential guide stars in view so you'll never have to search for one!
Objective Lens diameter: 50mm
Objective Lens Hood: 58mm
Lens Material: Optical Glass
Focal length: 180mm
Lens Structure: One Set of 2 Bonded Lenses
Lens Coating: FMC-Green
Main Tube Material: Metal-Aluminum
Guide Hoop Material: Metal-Aluminum
Interface size: 1-1/4"(About 31.7mm)
External Threads: T2 Male Threads (M42*0.75mm)
Focusing System: Stretch Type Quick Focus + Rotary Fine Focus
Color: As Shown

Package Include:

1 x 50mm Guide Scope
1 x Guide Hoop

Note:

Please allow 0-2mm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
If you really care about these details, pls DO NOT order.