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Ø1" Adapters for Unmounted Optics![]()
AD1-2 Adapts Ø2" Optics AD1 Ø1/2" Smooth Bore SM1AD10 Externally and AD6T Internally Application Idea Ø2" Mirror Mounted in KM100 Mount ![]() Please Wait Thorlabs offers these versatile mounts to adapt easily between various optic diameter standards. With options for Ø5 mm to Ø2" optics, this family of adapters offers a wide range of solutions for adapting optics to Ø1" optomechanical systems, including optical mounts and lens tubes.
![]() ![]() ![]() Click to Enlarge Ø1/2" Optic Mounted in a Ø1" KM100 Mirror Mount Using an AD1 Adapter These unthreaded adapters both feature a smooth Ø1" outer surface. The AD1 has a Ø1/2" counterbore while the AD15MM offers a Ø15 mm counterbore; optics are secured against two contact lines using a nylon-tipped setscrew.
![]() ![]() ![]() Click to Enlarge Ø2" Mirror Mounted in a Ø1" KM100 Mirror Mount Using an AD1-2 Adapter The AD1-2 features an internal 2" mounting diameter with an external 1" mounting diameter compatible with Ø1" mounts. A nylon-tipped setscrew holds the optic securely against two contact lines machined into the inside diameter. Optics must have a minimum thickness of 0.20" (5.13 mm) to be properly retained. ![]() ![]() These internally threaded mounting adapters are ideal for stress-free mounting for optics from Ø5 mm to Ø20 mm. Retaining rings can be used to hold these adapters in an SM1 lens tube. With a smooth outer diameter, the AD1T is especially well-suited for mounting Ø1/2" optics into Ø1" mounts. One retaining ring is included for securing optics in the adapter; for detailed specifications for each type of thread, please see our retaining ring presentation. Alternatively, Thorlabs offers internally threaded, post-mountable fixed mounts for mounting optics from Ø5 mm to Ø4".
![]() ![]() The SM1A60 adapter features an internal Ø0.7" bore with external SM1 (1.035"-40) threads as well as an external Ø1" smooth bore. This allows our SM05 Lens Tubes to be mounted within our SM1 Lens Tube System, as well as within SM1-threaded mounts, such as the LMR1. The outer surface of the adapter also has a smooth section which can be used to secure it into a Ø1" optics mount with a smooth bore, such as the KM100.
![]() ![]() The SM1 Series Adapters are internally threaded adapters for optics from Ø5 mm to Ø20 mm. Featuring an SM1-threaded outer diameter, these adapters are designed to mount with Ø1" lens tubes or other internally SM1-threaded components. Two retaining rings are included for securing optics in the adapter; for detailed specifications for each type of thread, please see our retaining ring presentation. Alternatively, Thorlabs offers internally threaded, post-mountable fixed mounts for mounting optics from Ø5 mm to Ø4".
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