AstroFrog Modified Three-Piece Complete Kit for Sky-Watcher 150mm F5/F4 Newtonian Reflector Telescope

1. Integrated CNC Secondary Mirror Holder

2. CNC Double-Layer Primary Mirror Retaining Ring

3. Oxidized Aluminum Alloy Light-Shielding Tail Board

4. Hand-Tightening Screws for Secondary Mirror Holder, Screws for Secondary Mirror Base

5. Knurled Screws for Primary Mirror Base

6. Fixing Screws for Secondary Mirror Holder (Matching Gaskets Included)

7. Jacking Screws for Secondary Mirror Base (Reinforced with Matching Gaskets and Nuts)

1.It is used for the modification of Sky-Watcher 150mm F5/F4 Newtonian reflector telescopes.

2. The tail board blocks light leakage at the bottom of the lens barrel.

3. The integrated secondary mirror holder improves the stability of the secondary mirror optical axis.

4. The retaining ring replaces the original factory three-claw structure to eliminate stress spikes.

5. The double-layer retaining ring provides better reinforcement for the primary mirror.

6. The secondary mirror holder adopts matte treatment to reduce star spikes and stray flares.

7. All screws required for modification are included, eliminating the need for separate purchases.

* 1 x Set of Modification Parts

* Package weight: 0.5kg