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Lens Stage

Assembly

Bellows-coupled lens board with a helical or rack focus drive that sets lens-to-negative distance for focusing. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Lens Stage parts and their functions

6 top-level parts · 6 parts in total · full bill of materials below
Lens Stage parts diagram: 1 enlarging lens, 2 lens board, 3 focusing bellows, 4 focus knob, 5 helical gear pair, 6 red safelight filter. 6 parts in 6 top-level items.
Lens Stage parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Enlarging Lens 1× Enlarging lens, e.g. 50 mm f/2.8 six-element
2 Lens Board 1× Flat plate with M39 thread that mounts the lens and drops into the focusing stage.
3 Focusing Bellows 1× Light-tight folded bellows that allows the lens stage to travel while excluding stray light.
4 Focus Knob 1× Friction-damped knob driving the lens stage up and down for fine focus.
5 Helical Gear Pair 1× Rack-and-pinion focus drive
6 Red Safelight Filter 1× Swing-in red filter under the lens for composing on paper without exposing it.

3D model

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Build & assembly graph

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Bill of materials for Lens Stage

6 top-level lines · 6 rows shown · 6 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Enlarging Lens photo-enlarger-lens 1× 1 · part
2 Lens Board photo-enlarger-lens-board 1× 1 · part
3 Focusing Bellows photo-enlarger-bellows 1× 1 · part
4 Focus Knob photo-enlarger-focus-knob 1× 1 · part
5 Helical Gear Pair gear-pair 1× 1 · part
6 Red Safelight Filter photo-enlarger-red-filter 1× 1 · part

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Where the lens stage 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