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Focal-Plane Shutter

Assembly

Vertical-travel metal-blade shutter directly in front of the film gate, timing exposures from seconds to 1/1000 s with two independently sprung curtains. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Focal-Plane Shutter parts and their functions

6 top-level parts · 7 parts in total · full bill of materials below
Focal-Plane Shutter parts diagram: 1 first curtain blade set, 2 second curtain blade set, 3 shutter base plate, 4 timing escapement, 5 coil spring, 6 helical gear pair. 7 parts in 6 top-level items.
Focal-Plane Shutter parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 First Curtain Blade Set 1× Opening blade set
2 Second Curtain Blade Set 1× Closing blade set
3 Shutter Base Plate 1× Stamped frame that guides both blade sets in parallel link arms across the 24×36 mm gate.
4 Timing Escapement 1× Clockwork gear-and-pallet retard mechanism that holds the second curtain for the dialed slow speeds from 1 s to 1/30 s.
5 Coil Spring 2× Curtain drive springs
6 Helical Gear Pair 1× Timing gear train

3D model

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Build & assembly graph

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Bill of materials for Focal-Plane Shutter

6 top-level lines · 6 rows shown · 7 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 First Curtain Blade Set film-camera-35mm-first-curtain 1× 1 · part
2 Second Curtain Blade Set film-camera-35mm-second-curtain 1× 1 · part
3 Shutter Base Plate film-camera-35mm-shutter-base-plate 1× 1 · part
4 Timing Escapement film-camera-35mm-escapement 1× 1 · part
5 Coil Spring coil-spring 2× 2 · part
6 Helical Gear Pair gear-pair 1× 1 · part

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Where the focal-plane shutter 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 $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
bydelectronic.com ↗ Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks