Filter thread on some cameras and lenses; also found on some telescope accessories and larger-aperture focuser tubes.
Filter thread on some cameras and lenses; found on some telescope accessories.
Filter/accessory thread; found on some telescope focusers and larger cameras.
Found on some telescope focuser drawtubes and accessories.
Very common filter thread on larger lenses. Found on many zoom and telephoto lenses from Nikon, Pentax, and Tamron (e.g. 70-210mm zooms). Standard thread for many 62mm filters.
Found on some telescope accessories and some Hasselblad accessories (B62 filter mount).
Thread found on some telescope focusers, notably certain older Vixen and Takahashi refractors.
Found on some telescope accessories and larger optical systems.
Equipment and systems: QSI 700-series OAG (off-axis guider)
Riccardi M63 0.75x Reducer
TS-Optics 71SDQ
WO Flat6AIII 0.8x Reducer
Filter/accessory thread on some cameras and telescopes.
Filter thread on some cameras and lenses; found on some Minolta medium-format lenses.
Found on some telescope focuser drawtubes (older Celestron and Meade accessories).
Thread used on some telescope focusers, particularly some Sky-Watcher and Orion refractors.
Found on some larger telescope focuser assemblies.
Imperial-pitch thread found on some older telescope focusers.
Filter thread on some larger lenses; also found on some telescope accessories.
Filter thread on some cameras and lenses.
Common filter thread on larger telephoto and zoom lenses. Found on many Sigma, Tamron, and Canon zoom lenses. Standard for 67mm filters.
Found on some telescope accessories and some camera equipment.
Filter thread on some cameras and lenses.
Filter thread on some cameras and lenses; found on some telescope accessories.
Found on some telescope focusers and accessories.
Used in some telescopes like Borg refractors.
Equipment and systems: Borg 101ED telescope.
This is a Flektoskop-Screwmount thread.
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