A T2 thread, also written T-2, has a diameter of 42mm and a thread pitch of 0.75mm. It is also sometimes written as M42x0.75.
The low pitch distinguishes it from other M42 threads.
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Omegon
Camera adaptor T2-Ring compatible with Canon EOS
( 4 / 5 )
$ 19.90
ready for shipping in 24
h
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Skywatcher
Camera adaptor T2-Ring compatible with Canon EOS
$ 22.90
ready for shipping in 1-2
weeks
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Omegon
T2 ring for Minolta AF and Sony A-Mount cameras
$ 24.90
ready for shipping in 24
h
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TS Optics
Rotator T2 quick-release connector with 360° rotation, length 5.5mm
$ 65.00
ready for shipping in 3-7
days
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Baader
Camera adaptor T-Ring for Sony E/NEX bayonet with D52/M48 and T2 thread
$ 53.00
ready for shipping in 24
h
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TS Optics
Camera adaptor T2 ring for Sony E
$ 40.90
ready for shipping in 3-7
days
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ASToptics
DSLR-Lens adaptors Nikon lens to 1.25"/T2 adapter
$ 104.00
ready for shipping in 24
h
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Skywatcher
Camera adaptor T2 ring for Nikon DSLR
$ 22.90
ready for shipping in 24
h
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Celestron
Camera adaptor T2 ring for Canon EOS and ZenithStar 71/61 field flattener
$ 33.90
ready for shipping in 24
h
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TS Optics
T2 Adaptor Ring for Cameras with Micro Four Thirds bayonet (Panasonic, Olympus)
$ 54.00
Product can be shipped as of 01.09.2026
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TS Optics
Camera adaptor T2 ring for Sony Alpha Nex / E-mount
$ 37.90
ready for shipping in 3-7
days
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Celestron
Camera adaptor T2-Ring for Canon EOS M
$ 45.90
ready for shipping in 24
h
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Baader
T-Ring Micro Four Thirds (4/3) adapter with 19mm detachable extender
$ 37.90
ready for shipping in 24
h
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TS Optics
Camera adaptor T2/Sony Alpha & Minolta
$ 43.90
ready for shipping in 3-7
days
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RRP:
$ 62.00
TS Optics
Tilter Tilting Collimator T2
RRP:
$ 62.00
Our price:
$ 59.00
ready for shipping in 3-7
days
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ASToptics
DSLR-Lens adaptors M42 FILTER SLIDER SYSTEM (1.25") + TRIPOD INTERFACE
$ 233.00
ready for shipping in 24
h