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TS Optics M68 Extension Tube 8 mm Optical Path
TS-Optics M68 × 1 extension — 8 mm This M68 × 1 extension adds a manufacturer-specified 8 mm effective length to a threaded optical train.
Threaded connection It connects matching female and male M68 × 1 interfaces. The quoted spacing is the effective contribution when assembled; a protruding male thread is not an additional spacer once it is engaged.
Spacing application Use it to build the required distance between a corrector and camera, allowing for the camera’s own flange distance and other adapters. It contains no focal reducer or field-flattening optics; changing physical spacing does not itself change the telescope’s native focal length.
TS-Optics manufacturer documentation
Compatibility notes Exact named TS manufacturer model and its published technical table checked. Unpublished dimensions, capacities and package items are not inferred.
Additional specifications Optical path 8 mm (the male M68 thread is not taken into account) Length of the male m68 thread 4 mm Clear aperture of the adapter 63 mm Thread interfaces M68 × 1 female and male
Riferimento
48927
Scheda tecnica
Attrezzatura indicata dal produttore
TS M68 extension ring
Codice produttore
TSVM688
Modello
TS-Optics M68 × 1 extension — 8 mm
Diametro esterno
74.1 mm
Riferimenti Specifici
MPN
TSVM688
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TS-Optics M68 × 1 extension — 8 mm This M68 × 1 extension adds a manufacturer-specified 8 mm effective length to a threaded optical train.
Manufacturer model: TS-Optics M68 × 1 extension — 8 mm · Specifications checked against manufacturer data on 2026-11-04