Products Home / Optomechanical Components / Optomechanical Mounts / Fixed Optic Mounts / Fixed Cage Compatible Mounts / Cage Plates for Small Diameter Optics (Ø5 mm to Ø20 mm)Cage Plates for Small Diameter Optics (Ø5 mm to Ø20 mm)
- Cage Plates for Optics Premounted in M6- to M12-Threaded Cells
- Cage Plates for Unmounted Ø5 mm to Ø20 mm Optics
- 16 mm or 30 mm Cage Compatible
SP09
16 mm Cage Plate with
Internal M7.5 x 0.5 Threads
for Unmounted Optics
CP1M12
30 mm Cage Plate with
Internal M12 x 0.5 Threads
for Premounted Lenses
CPN06
30 mm Cage Plate with
Internal M6.5 x 0.5 Threads
for Unmounted Optics
CPN20
30 mm Cage Plate with Internal M20.5 x 0.5
Threads for Unmounted Optics
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Features
- Hold Premounted or Unmounted Aspheric or Achromatic Lenses, as well as Other Small-Diameter Optics
- Unmounted Optics: Ø5 mm to Ø12 mm in 1 mm Intervals, Ø15 mm, Ø18 mm, and Ø20 mm
- Premounted Optics: M6 x 0.5, M8 x 0.5, M9 x 0.5, M10 x 0.5, or M12 x 0.5 Threaded Cells
- 16 mm Cage System or 30 mm Cage System Compatible
These cage plate optic mounts are designed to hold optics up to Ø20 mm in our extensive line of 16 mm cage system and 30 mm cage system assemblies. We offer 16 mm and 30 mm cage plate options for holding unmounted optics, as well as 30 mm cage plate options for holding premounted optics, such as aspheric and achromatic lenses. Each 16 mm and 30 mm cage plate designed for unmounted optics includes two retaining rings, which are used in combination to secure the optic in place. The 30 mm cage plates designed for premounted optics have internal threads used to secure the externally threaded cell that houses the optic. For more details on compatible optics, please see below.
For a full selection of available cage plates, please visit our Cage Systems navigation menu.
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The Two Included Retaining Rings Secure the Unmounted Optic (Shown: SP12 Cage Plate and AL108 Aspheric Lens)
- Mount Ø5 mm to Ø12 mm Optics
- Two Retaining Rings Included for Mounting Optic
- Compatible with 16 mm Cage Systems
- Ideal for Use with Unmounted Aspheric and Achromatic Lenses
- Not Post Mountable
These cage plates have internal threads and are designed for mounting optics that have diameters from 5 mm up to 12 mm, such as our unmounted aspheric and achromatic lenses, into a 16 mm cage system. Two retaining rings of the appropriate size are included with each cage plate and are used to secure the optic. The SPW801 spanner wrench is recommended when threading the retaining rings into place. Each plate features four corner-located, Ø4 mm through-holes with a center-to-center spacing of 16 mm. These holes are machined for a precision slip fit with mating cage rods and provide side-accessible locking 4-40 setscrews, which can be secured to a cage rod using a 0.05" hex key. If replacement setscrews are needed, we offer SS4B013 brass setscrews, which use a 0.05" (1.3 mm) hex. In addition, four 3-48 cap screws (not included) can be used to bolt the cage plate onto the SC6W six-way cage cube.
Thorlabs also offers internally threaded, post-mountable fixed mounts , which are not cage compatible, for mounting optics from Ø5 mm to Ø4".
| Item # | Optic Diameter |
CAa | Optic Thickness (Max)b | Internal Threads | Retaining Ring | Mount Thickness | Spanner Wrench |
|---|---|---|---|---|---|---|---|
| SP07 | 5 mm | Ø0.15" (Ø3.8 mm) | 0.09" (2.2 mm) | M5.5 x 0.5 | SM5RR | 0.23" (5.7 mm) | SPW801 |
| SP08 | 6 mm | Ø0.19" (Ø4.8 mm) | 0.11" (2.8 mm) | M6.5 x 0.5 | SM6RR | 0.25" (6.4 mm) | |
| SP09 | 7 mm | Ø0.23" (Ø5.8 mm) | 0.11" (2.8 mm) | M7.5 x 0.5 | SM7RR | 0.25" (6.4 mm) | |
| SP10 | 8 mm | Ø0.27" (Ø6.9 mm) | 0.16" (4.0 mm) | M8.5 x 0.5 | SM8RR | 0.30" (7.6 mm) | |
| SP11 | 9 mm | Ø0.31" (Ø7.9 mm) | 0.16" (4.0 mm) | M9.5 x 0.5 | SM9RR | 0.30" (7.6 mm) | |
| SP12 | 10 mm | Ø0.35" (Ø8.8 mm) | 0.16" (4.0 mm) | M10.5 x 0.5 | SM10RR | 0.30" (7.6 mm) | |
| SP13 | 11 mm | Ø0.36" (Ø9.1 mm) | 0.16" (4.0 mm) | M11.5 x 0.5 | SM11RR | 0.30" (7.6 mm) | |
| SP14 | 12 mm | Ø0.40" (Ø10.2 mm) | 0.16" (4.0 mm) | M12.5 x 0.5 | SM12RR | 0.30" (7.6 mm) |
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CPN08 Used to Mount an AC080-020-A Unmounted Ø8 mm Achromatic Doublet in a 30 mm Cage System with a KCB1 Mount
- Mount Ø5 mm to Ø20 mm Optics
- Two Retaining Rings Included for Mounting Optic
- Compatible with 30 mm Cage Systems
- Ideal for Use with Unmounted Aspheric and Achromatic Lenses
- Not Post Mountable
These cage plates are designed for mounting optics that have diameters up to 20 mm, such as our unmounted aspheric and achromatic lenses, into a 30 mm cage system. They have M5.5, M6.5, M8.5, M9.5, M15.5, 0.750"-40, or M20.5 internal threads and include two retaining rings of the appropriate size to secure the optic. The SPW801 spanner wrench is recommended when threading the retaining rings into place. Each cage rod through hole is accompanied by a side-located locking setscrew, which can be secured to a cage rod using a 5/64" (2.0 mm) hex key.
Thorlabs also offers internally threaded, post-mountable fixed mounts, which are not cage compatible, for mounting optics from Ø5 mm to Ø4".
| Item # | Optic Diameter |
CAa | Optic Thickness (Max)b | Internal Threads | Retaining Ring | Mount Thickness | Spanner Wrench |
|---|---|---|---|---|---|---|---|
| CPN05 | 5 mm | Ø0.15" (Ø3.8 mm) | 0.09" (2.2 mm) | M5.5 x 0.5 | SM5RR | 0.23" (5.7 mm) | SPW205 or SPW801 |
| CPN06 | 6 mm | Ø0.19" (Ø4.8 mm) | 0.11" (2.8 mm) | M6.5 x 0.5 | SM6RR | 0.25" (6.4 mm) | SPW206 or SPW801 |
| CPN08 | 8 mm | Ø0.27" (Ø6.9 mm) | 0.16" (4.0 mm) | M8.5 x 0.5 | SM8RR | 0.30" (7.6 mm) | SPW208 or SPW801 |
| CPN09 | 9 mm | Ø0.31" (Ø7.9 mm) | 0.16" (4.0 mm) | M9.5 x 0.5 | SM9RR | 0.30" (7.6 mm) | SPW209 or SPW801 |
| CPN15 | 15 mm | Ø0.50" (Ø12.7 mm) | 0.21" (5.3 mm) | M15.5 x 0.5 | SM15RR | 0.35" (8.9 mm) | SPW801 |
| CPN18 | 18 mm | Ø0.62" (Ø15.7 mm) | 0.24" (6.1 mm) | 0.750"-40 | SM18RR | 0.40" (10.2 mm) | SPW801 |
| CPN20 | 20 mm | Ø0.68" (Ø17.3 mm) | 0.24" (6.1 mm) | M20.5 x 0.5 | SM20RR | 0.40" (10.2 mm) | SPW801 |
Zoom- Internal Threads Compatible with our Premounted Aspheric and Achromatic Lenses
- 0.35" (8.9 mm) Thick Cage Plate
- 8-32 (M4) Tap for Post Mounting
- Compatible with 30 mm Cage Systems
These cage plates are ideal for mounting aspheric or small achromatic lenses in a 30 mm cage system without the use of adapters. They are available with M6, M8, M9, M10, or M12 internal threads. The cage plates with M12 internal threads are ideal for mounting our singlet and triplet fiber collimators with external M12 x 0.5 threading. Each cage rod through hole is accompanied by a side-located locking setscrew, which can be secured to a cage rod using a 5/64" (2.0 mm) hex key.
Alternatively, aspheric lenses can be mounted within a cage system using our aspheric lens adapters and a standard SM1-threaded cage plate.
| Item # | Internal Threads |
Base Item # of Compatible Mounted Lenses | Mount Thickness |
|---|---|---|---|
| CP1M06(/M) | M6 x 0.5 | A414TM, C140TME, C151TMD, C392TME, C430TME, C710TME Aspheric Lenses | 0.35" (8.9 mm) |
| CP1M08(/M) | M8 x 0.5 | C021TME, C170TME, C350TMD, C390TME, C440TME, C660TME Aspheric Lenses | |
| CP1M09(/M) | M9 x 0.5 | A110TM, A220TM, A230TM, A375TM, A390TM, A397TM, C036TME, C037TME, C110TME, C220TME, C230TME, C260TMD, C280TME, C330TMD, C340TMD, C560TME, C610TME, C775TMD Aspheric Lenses; Ø5 mm, Ø6 mm, and Ø6.35 mm Mounted Achromatic Doublets |
|
| CP1M10(/M) | M10 x 0.5 | C028TME Aspheric Lenses | |
| CP1M12(/M) | M12 x 0.5 | A240TM, C240TME Aspheric Lenses; Ø8 mm Mounted Achromatic Doublets |
 Cage Plates for Metric Diameters |