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Optical Tube Assembly

Assembly

The Newtonian tube holding the mirrors, focuser, and finder. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Optical Tube Assembly parts and their functions

7 top-level parts · 21 parts in total · full bill of materials below
Optical Tube Assembly parts diagram: 1 aluminum tube & rings, 2 primary mirror cell, 3 secondary mirror assembly, 4 rack-and-pinion focuser, 5 finderscope, 6 dew shield, 7 fastener set. 21 parts in 7 top-level items.
Optical Tube Assembly parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Aluminum Tube & Rings 1×
2 Primary Mirror Cell 4 parts 1× Holds the parabolic primary mirror with spring-loaded collimation.
3 Secondary Mirror Assembly 3 parts 1×
4 Rack-and-Pinion Focuser 5 parts 1× Moves the drawtube in and out to focus the eyepiece.
5 Finderscope 2 parts 1×
6 Dew Shield 1×
7 Fastener Set 1× Bolts, nuts, and washers.

3D model

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Build & assembly graph

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Bill of materials for Optical Tube Assembly

7 top-level lines · 21 rows shown · 21 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Aluminum Tube & Rings telescope-tube-shell 1× 1 · part
2 Primary Mirror Cell 4 parts telescope-primary-cell 1× 1 6 assembly
2.1 Parabolic Primary Mirror telescope-primary-mirror 1× 1 · part
2.2 Mirror Cell Frame & Backplate telescope-cell-frame 1× 1 · part
2.3 Coil Spring coil-spring 3× 3 · part
2.4 Fastener Set fastener-set 1× 1 · part
3 Secondary Mirror Assembly 3 parts telescope-secondary-assy 1× 1 3 assembly
3.1 Elliptical Secondary Mirror telescope-secondary-mirror 1× 1 · part
3.2 Secondary Holder & Spider Hub telescope-secondary-holder 1× 1 · part
3.3 Secondary Spider Vanes telescope-spider 1× 1 · part
4 Rack-and-Pinion Focuser 5 parts telescope-focuser 1× 1 7 assembly
4.1 Focuser Body telescope-focuser-body 1× 1 · part
4.2 Helical Gear Pair gear-pair 1× 1 · part
4.3 Drawtube telescope-drawtube 1× 1 · part
4.4 Focus Knob telescope-focus-knob 2× 2 · part
4.5 Ball Bearing ball-bearing 2× 2 · part
5 Finderscope 2 parts telescope-finderscope 1× 1 2 assembly
5.1 Finder Tube & Bracket telescope-finder-tube 1× 1 · part
5.2 Lens Assembly camera-lens 1× 1 · part
6 Dew Shield telescope-dew-shield 1× 1 · part
7 Fastener Set fastener-set 1× 1 · part

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Where the optical tube assembly is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $1–$80. How estimates work
VendorHQSpecialtyMOQLead time
sunnyoptical.com ↗ Ningbo, CN Optics & camera modules 1,000 pcs 8–12 wks
🇨🇳OFILM
ofilm.com ↗
Shenzhen, CN Camera modules 1,000 pcs 8–12 wks
vvdntech.com ↗ Gurugram, IN Electronics & camera modules 1,000 pcs 8–12 wks
🇨🇳Truly Opto
truly.net ↗
Shanwei, CN Displays & camera modules 1,000 pcs 8–12 wks
aactechnologies.com ↗ Singapore Acoustics & optics 1,000 pcs 8–12 wks