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Adjustable Lens Tubes, SM1 Compatible


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Adjustable Lens Tubes, SM1 Compatible

Features

  • Allow Precise Positioning of an Optic within SM1 Lens Tube Systems
  • SM1 (1.035"-40) Internal and External Threading
  • Mount SM1-Threaded Lens Tubes, Ø1" (25.4 mm) Optics, or Ø1/2" (12.7 mm) Optics

Adjustable length lens tubes allow for the adjustment of an optic's position within an SM lens tube system. The SM1V05 and SM1V10 provide rotating adjustment, while the SM1ZM, SM1NR1, and SM1NR05 zoom housings use helical drive mechanisms to provide linear travel of the internal cell without rotation. The SM1ZM and SM1NR1 can be combined with a standard SM1 lens tube to construct a non-rotating telescoping lens tube system.

#Product DescriptionQty.Photo
(Click to Enlarge)
1DFM - Kinematic
Dichroic Filter Cube
1Dichroic Cage Cube
2Microscopy Filters1 SetMicroscopy Filters
3SM1B3 - Lens Tube Bellows1Bellows
4SM1ZM - Non-Rotating
SM1 Zoom Housing
1Zoom Housing
5Focusing Lens Inside
Zoom Housing
1Focusing Lens
6ST1XY-D - XY Translator
with Differential Drives
1XY Translator
7Precision Pinhole Between
XY Translator and Photodetector
1Precision Pinhole
8Photodetector
SM1-Compatible Photodetector
1Photodetector

SM1ZM Zoom Housing - Optic Alignment in a Confocal Microscope

Thorlabs' SM1ZM High-Precision Zoom Housing (denoted by 4 in the image below) is useful when precise Z-positioning of optics is necessary. In the following example of a partial confocal microscope, a light-tight connection can be created between a DFM Dichroic Filter Cube (1) containing a Microscopy Filter Set (2), and an APD120A2 Photodetector (8). A lens (5) located inside the SM1ZM Zoom Housing (4) focuses the beam onto a precision pinhole (7) located just before the avalanch photodetector's sensor. The SM1ZM zoom housing is mounted directly onto the ST1XY-D XY Translation Mount with Differential Adjusters (6), creating a compact XYZ mount. SM1 Lens Tubes and the SM1B3 Lens Tube Bellows (3) allow for a light-tight connection without inhibiting the free movement of the XYZ mount.

Components used in the configuration pictured below are listed in the table to the right. These parts, along with SM1 Lens Tubes and 1" Post Assemblies, are sold separately.

SM Series Threading Specifications

Thorlabs' lens tubes utilize a series of non-standard threadings. Threading specifications are given below for our SM threadings utilized in our lens tube and cage system components so that you can machine mating components to suit your application. For threading specifications other than what is listed here, please contact Tech Support.

SM05 Threading: Ø1/2" Lens Tubes, 16 mm Cage Systems
External Thread, 0.535"-40.0, UNS-2AInternal Thread, 0.535"-40.0, UNS-2B
Max Major Diameter0.5340"Min Major Diameter0.5350"
Min Major Diameter0.5289"Min Pitch Diameter0.5188"
Max Pitch Diameter0.5178"Max Pitch Diameter0.5230"
Min Pitch Diameter0.5146"Min Minor Diameter (and 83.3% of thread)0.508"
Max Minor Diameter0.5069"Max Minor Diameter (and 64.9% of thread)0.514"
SM1 Threading: Ø1" Lens Tubes, 30 mm Cage Systems
External Thread, 1.035"-40.0, UNS-2AInternal Thread, 1.035"-40.0, UNS-2B
Max Major Diameter1.0339"Min Major Diameter1.0350"
Min Major Diameter1.0288"Min Pitch Diameter1.0188"
Max Pitch Diameter1.0177"Max Pitch Diameter1.0234"
Min Pitch Diameter1.0142"Min Minor Diameter (and 83.3% of thread)1.008"
Max Minor Diameter1.0068"Max Minor Diameter (and 64.9% of thread)1.014"
SM30 Threading: Ø30 mm Lens Tubes
External Thread, M30.5x0.5Internal Thread, M30.5x0.5
Max Major Diameter30.480 mmMin Major Diameter30.500 mm
Min Major Diameter30.371 mmMin Pitch Diameter30.175 mm
Max Pitch Diameter30.155 mmMax Pitch Diameter30.302 mm
Min Pitch Diameter30.059 mmMin Minor Diameter (and 83.3% of thread)29.959 mm
Max Minor Diameter29.938 mmMax Minor Diameter (and 64.9% of thread)30.094 mm
SM2 Threading: Ø2" Lens Tubes, 60 mm Cage Systems
External Thread, 2.035"-40.0, UNS-2AInternal Thread, 2.035"-40.0, UNS-2B
Max Major Diameter2.0338"Min Major Diameter2.0350"
Min Major Diameter2.0287"Min Pitch Diameter2.0188"
Max Pitch Diameter2.0176"Max Pitch Diameter2.0239"
Min Pitch Diameter2.0137"Min Minor Diameter (and 83.3% of thread)2.008"
Max Minor Diameter2.0067"Max Minor Diameter (and 64.9% of thread)2.014"
SM3 Threading: Ø3" Lens Tubes
External Thread, 3.035"-40.0, UNS-2AInternal Thread, 3.035"-40.0, UNS-2B
Max Major Diameter3.0337"Min Major Diameter3.0350"
Min Major Diameter3.0286"Min Pitch Diameter3.0188"
Max Pitch Diameter3.0175"Max Pitch Diameter3.0242"
Min Pitch Diameter3.0133"Min Minor Diameter (and 83.3% of thread)3.008"
Max Minor Diameter3.0066"Max Minor Diameter (and 64.9% of thread)3.014"
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Posted Comments:
Poster: pbui
Posted Date: 2013-11-21 12:02:59.0
Response from Phong at Thorlabs: Thank you for your feedback. I will discuss your comments with our mechanics department. We are constantly looking for ways to improve our products and will consider your suggestion when designing a new version of the SM1ZM.
Poster: peter
Posted Date: 2013-11-21 14:41:45.103
This is a very useful part but it is easy to jam the focusing mechanism in the barrel when attaching other SM1 parts. I believe this is due to the face of the focusing barrel binding against the mount. It would be good idea to fit a stop in the mount so that the faces could not meet.
Poster:
Posted Date: 2013-09-16 16:25:43.35
Love the idea of the SM1NR1, this would have been perfect for my application but it is too long. Would be great if you could offer a ~2" long version with 0.75" or more travel.
Poster: jlow
Posted Date: 2013-09-18 16:46:00.0
Response from Jeremy at Thorlabs: Thank you for your feedback. We will look into the possibility of adding a more compact version in the future.
Poster: bdada
Posted Date: 2012-01-31 01:26:00.0
Response from Buki at Thorlabs: Thank you for using our feedback forum. We have contacted you to get more information about how you want the SM1V05 or SM1V10 rotatinglens tube customized. For an off-the-shelf solution, you could consider combining a lens tube with a rotating lens tube.
Poster: amills
Posted Date: 2012-01-26 10:13:12.0
I have need of a 1" diameter lens tube that has the external threaded range offered by the SM1V05, but has a internal threaded tube length of 1". The opposite of the SM1V10 I guess. Please let me know if such customization is possible. If so I would probably want to order at least 15-20 units.
Poster: bdada
Posted Date: 2011-12-15 17:14:00.0
Response from Buki at Thorlabs: The SM1V10 is made from anodized aluminum and it is not recommended for vacuum applications because it could outgas quite a bit. However, we could strip the anodization off to expose the bare aluminum underneath. We have contacted you regarding a quote for an unanodized version of the SM1V10.
Poster: akorte
Posted Date: 2011-12-14 15:30:03.0
I'm interested in using part # SM1V10 under vacuum. Can you tell what material(s) it's made of and whether it is vacuum-compatible? Thanks, Andy
Poster: jjurado
Posted Date: 2011-06-21 09:24:00.0
Response from Javier at Thorlabs to johannes.piel: Thank you very much for contacting us. The required hex key size for the locking set screw used in the SM1ZM is 0.035". We offer this hex key as part of our TC2 ball driver and hex key kit and the HK2A98 hex key kit: http://www.thorlabs.com/NewGroupPage9.cfm?ObjectGroup_ID=1407
Poster: johannes.piel
Posted Date: 2011-06-20 10:35:23.0
SM1ZM has a "nylon tipped set screw" What size is the matching hexagon key and do you offer it? Best Regards, Johannes Customer Email: johannes.piel@mlase.com
Poster: Greg
Posted Date: 2011-01-14 15:33:51.0
A response from Greg at Thorlabs to lucia.hackermuller: Thank you for leaving feedback! We actually do offer the locking ring, but it looks like we did not do a good job of populating it in all appropriate places of our website. I have added the SM1NT to this web page based on your feedback.
Poster: lucia.hackermuller
Posted Date: 2011-01-14 21:15:12.0
I very much like the SM1V10 system, but wanted to buy an additional locking ring. I realise it does not existed. Maybe you could add it to your product line! Cheers, Lucia
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Ø1" Adjustable Lens Tubes, Long External Threads
simple drawing of zoom lens tube
  • Long Externally-Threaded Section for Adjustable Positioning of Mounted Optics
  • SM1V05 Adjustment Range: 0.32" (8 mm)
  • SM1V10 Adjustment Range: 0.82" (20.7 mm)
  • Max Optic Thickness 0.42" (10.7 mm)

These SM1-threaded (1.035"-40) adjustable lens tubes have an extra-long externally threaded section, allowing Ø1" optics to be precisely positioned along the optical axis of a lens tube system. To operate, mount the optic in the internally-threaded section using the included retaining ring. Then thread the adjustable lens tube into a compatible (i.e., matching threads) lens tube or SM1 threaded lens mount until the optic is at the desired position. Use the included SM1NT locking ring to fix the position of the lens tube. See the video to the right for a demonstration.

These adjustable lens tubes are an ideal solution for fine tuning of the first and last lenses in a lens tube system. Although a lens tube can be attached to the front of the adjustable lens tube, it should only be done after the position has been fixed, since this lens tube will need to be free to rotate and translate if the position is changed. Like our standard lens tubes, these adjustable-length lens tubes are made of black anodized aluminum.

Item #External Thread Length (L)Maximum Adjustment Range*
SM1V05 0.5" (12.7 mm) 0.32" (8.1 mm)
SM1V10 1.0" (25.4 mm) 0.82" (20.8 mm)

*Including one SM1NT locking ring and 0.08" (2 mm) minimum thread depth for the attached lens tube or component.

Alternatives ؽ", Ø2", and Ø3" Adjustable Length Lens Tubes
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
SM1V05 Support Documentation
SM1V05 Ø1" SM1 Lens Tube, 1/2" Long External Threads
$29.60
Today
SM1V10 Support Documentation
SM1V10 Ø1" SM1 Lens Tube, 1" Long External Threads
$32.60
Today
SM1NT Support Documentation
SM1NT SM1 (1.035"-40) Locking Ring, Ø1.25" Outer Diameter
$6.50
Today
Zoom Housing for Ø1" Optics and SM1 Lens Tubes, 2" (50.8 mm) Travel
SM1NR1 Translation Scale
Click to Enlarge
Each Tick on the Engraved Scale Indicates 0.25 mm of Internal Translation
SM1NR1 Cage Plate Mount
Click to Enlarge
The SM1NR1 Features a Ø35 mm Boss for 30 mm Cage System Mounting using the CP03 Cage Plate and SS8N013 Setscrew.
SM1NR1 Telescoping Lens Tube
Click to Enlarge
A Standard SM1 Lens Tube can be Threaded to the Internal Translating Cell to Create a Telescoping Lens Tube Assembly
  • Non-Rotating Translation of SM1 Lens Tubes and Ø1" Optics up to 0.3" (7.6 mm) Thick
  • Fixed External and Translating Internal SM1 (1.035"-40) Mounting Threads
  • Create a Light-Tight Telescoping Lens Tube Assembly
  • 2" (50.8 mm) of Travel at 0.63" (16 mm) per Revolution

The SM1NR1 is an SM1-threaded, non-rotating zoom housing. It features an internal SM1-threaded (1.035"-40) translating cell for mounting Ø1" optics using the included SM1RR retaining ring, or for connecting SM1 lens tubes. A double-helical mechanism allows this cell to be translated along the optical axis without rotation (see video below, to the left). Each engraved tick mark on the rotating adjustment collar indicates 0.25 mm of linear travel of the inner cell (see photo to the far right). An 0.050" hex setscrew located by the Thorlabs engraving locks the movement, and tungsten disulfide dry film lubricant on the exposed internal surfaces ensures smooth translation.

The back of the housing includes an external SM1 thread for integration into lens tube systems. Additionally, the front of the housing includes a Ø1.38" (Ø35 mm) boss for 30 mm cage system integration using our CP03 cage plate (see photo above, to the immediate right).

Telescoping Lens Tube
A smooth Ø1.2" bore on one end of the housing allows standard SM1 lens tubes to be connected to the internal translating cell. This creates a light-tight adjustable-length lens tube assembly (see photo to the right).

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
SM1NR1 Support Documentation
SM1NR1 SM1 Zoom Housing for Ø1" Optics, Non-Rotating, 2" (50.8 mm) Travel
$195.00
Today
High-Precision Zoom Housing for Ø1" Optics and SM1 Lens Tubes, 0.16" (4 mm) Travel
SM1ZM Application
Click to Enlarge
A Standard SM1 Lens Tube can be Threaded to the Internal Translating Cell to Create a Telescoping Lens Tube Assembly
  • Non-Rotating Translation of SM1 Lens Tubes or Ø1" Optics up to 0.4" (10.2 mm) Thick
  • 4 mm of Travel at 0.5 mm Per Revolution
  • Fixed External SM1 and Translating Internal SM1 Mounting Threads

The SM1ZM non-rotating zoom housing provides 4 mm of linear travel without rotating the optical element mounted in it. A fine helical mechanism moves the front barrel back and forth while restricting any rotational movement, preventing any rotation of the attached lens tubes or optics (see image to the right). This high-precision (0.5 mm per revolution) zoom housing provides the ability to accurately control the exact working distance of an optical element within a system prior to locking it into place.

To operate, mount a Ø1" optic in the zoom housing and secure it using the included SM1RR retaining ring. Then attach the SM1ZM to an internally threaded SM1 lens tube or mount. Once secure, the outer ring of the SM1ZM can be used to precisely position the optic. A standard SM1 lens tube can also be attached to the front of the SM1ZM to create a telescoping lens tube assembly (see image to the right). For a more involved application within a confocal microscope setup, please see the Application Tab.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
SM1ZM Support Documentation
SM1ZM SM1 Zoom Housing for Ø1" Optics, Non-Rotating, 4 mm Travel
$159.10
Today
Zoom Housing for Ø1/2" Optics, 0.7" (18 mm) Travel
  • Non-Rotating Translation of Ø1/2" Optics up to 0.25" (6.4 mm) Thick
  • 18 mm of Travel at 17 mm Per Revolution
  • Internal and External SM1 Threading for Attachment Between Two Fixed SM1 Lens Tubes

The SM1NR05 non-rotating zoom housing provides 18 mm of linear travel without rotating the optical element mounted in it. A double helical mechanism moves the interior SM05 barrel back and forth while restricting any rotational movement. This 17 mm per revolution zoom housing provides the ability to accurately control the exact working distance of an optical element within a system. To operate, mount a Ø1/2" optic in the zoom housing and secure it using the included SM05RR retaining ring. Then the SM1NR05 can be mounted on any SM1 threaded lens tube or mount. Once secure, the outer ring of the SM1NR05 can be used to precisely position the optic.

Unlike the other lens tubes and housing on this page, the SM1NR05 offers fixed SM1 threading on both ends, allowing it to be attached between two fixed Ø1" lens tubes while still retaining the ability to adjust the position of the optic (see the video to the right).

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
SM1NR05 Support Documentation
SM1NR05 SM1 Zoom Housing for Ø1/2" Optics, Non-Rotating, 18 mm Travel
$180.00
Today
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