This M54 × 0.75 extension adds a manufacturer-specified 5 mm effective length to a threaded optical train.
Threaded connection
It connects matching female and male M54 × 0.75 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.
Additional specifications
Length of the external thread
4 mm
71883
Data sheet
Color
Black anodized
Manufacturer listed equipment
TS extension ring
Manufacturer part number
TSVM545
Material
Aluminum
Model
TS-Optics M54 × 0.75 extension — 5 mm
Outer diameter
58 mm
Overall length
5 mm without the external thread
Thread
Double-sided photo thread M54x0.75 - female/male
Specific References
MPN
TSVM545
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