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Focus Block and Accessories


  • Components to Support Custom Microscopes
  • Compatible with Thorlabs’ Lens Tube and Cage Systems

MP1214

Focus Block Stand with Damped Post

MGZ30

Microscope Focus Block

Application Idea

The MGZ30 Focus Block and MP1214 Stand can support a home-built epi-fluorescence imaging system. See the Application tab for details.

Related Items


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Item # MGZ30
Description Focus Block
Z-Axis Travel 30 mm (Manual Adjustment)
Z-Axis Adjustment Fine: 225 µm/rev
Coarse: 40 mm/rev
Vertical Load (Max) 10 lb (4.5 kg)
Mount Compatibilitya Ø1.5" Posts
  • Posts are not included. Thorlabs recommends the MP1214 Focus Block Stand, shown below.

Features

  • Manual Microscope Focus Block
    • 30 mm of Travel with Coarse/Fine Adjustment
    • Objective Turret Holds Five Objectives at Once
    • Includes Dovetail Adapter with SM1, SM2, and 30 mm Cage Compatibility
  • Vibrationally Damped Stand Enhances Image Quality
  • Thread Adapters for Industry-Standard Objective Threads
  • RMS-Threaded End Caps to Cover Empty Turret Ports and Objective Back Apertures

This page features a Post-Mountable Focus Block and a Focus Block Stand to support home-built imaging systems that use our wide selection of optical and mechanical components. Thorlabs' post-mountable focus block provides 30 mm of travel along the Z-axis of an optical system via fine and coarse adjustment knobs and includes a built-in five-objective turret.

To stabilize images against vibrations, Thorlabs has developed a focus block stand that consists of an extra-thick breadboard and a dynamically damped post that together reduce the amplitude and duration of vibrations applied to the stand.

When combined with Thorlabs' family of objectives, thread adapters, and cameras, the parts listed here can be used as the basis for a flexible, reliable, and easy-to-use imaging solution for the most demanding applications.

Alternatively, for users interested in modular microscopes, Thorlabs has developed the DIY Cerna® Microscopy Platform. The system includes pre-configured components for widefield viewing, epi-illumination, and transmitted light imaging in addition to providing compatibility with Thorlabs' standard SM thread and cage system interfaces.

Home-Built Epi-Fluorescence Microscope

Thorlabs' MGZ30 Focus Block and MP1214 Stand can be used to construct and support a simple epi-fluorescence microscope. The DFM1 filter cube with a user-selected filter set is used to couple illumination from a liquid light guide (LLG) into the objective. An MP100-RCH2 100 mm tall rigid stand is used to support the sample. Sample viewing is accomplished using a C-mount camera, in this case the 1501M-USB scientific-grade camera. Alternatively, one of our other CCD or CMOS cameras can also be used. The camera is connected to the setup via an SM1ZM rotation mount in order to provide some focusing adjustment. This simple microscope can be easily modified by using other light sources, cameras, objectives, and sample holders. A list of components is provided in the table below.

Custom Epi-Fluorescence Microscope
Click to Enlarge

A home-built epi-fluorescence microscope based on the
MGZ30 Microscope Focus Block.
Item List for Epi-Fluorescence Microscope
Item #a Qty. Description
Focus Block
MGZ30 1 Post-Mountable Manual Focus Block
MP1214 1 12" x 14" Focus Block Stand with Included DP14A Post
SM2L10 1 SM2 Lens Tube, 1" Long, One Retaining Ring Included
SM2T2 1 SM2 (2.035"-40) Coupler, External Threads, 1/2" Long
SM1A2 1 Adapter with External SM1 Threads and Internal SM2 Threads
- Up to 5 Objectives with RMS or M26 x 0.706 Threadsb
Epi-Illumination
DFM1 1 Kinematic Fluorescence Filter Cube, 30 mm Cage Compatible, 1/4"-20 Tapped Holes
ACL2520U-Ac 1 Aspheric Condenser Lens, Ø25 mm, f=20.1 mm, NA=0.60 ARC: 350-700 nm
SM1L20c 1 SM1 Lens Tube, 2.00" Thread Depth, One Retaining Ring Included
SM1RRC 1 Extra-Thick SM1 (1.035"-40) Threaded Retaining Ring
AD3LLGc 1 Ø3 mm Core Liquid Light Guide to SM1 Adapter
SM1CP2 1 Externally SM1-Threaded End Cap
- 1 Ø3 mm Core Liquid Light Guideb
- 1 Illumination Sourceb
- 1 Fluorescence Filter Setb
Camera Tube
SM1A9 1 Adapter with External C-Mount Threads and Internal SM1 Threads
SM1ZM 1 SM1 Zoom Housing for Ø1" Optics, Non-Rotating, 4.1 mm Travel
SM1L03 2 SM1 Lens Tube, 0.30" Thread Depth, One Retaining Ring Included
SM2L30 1 SM2 Lens Tube, 3" Thread Depth, One Retaining Ring Included
SM2L05 1 SM2 Lens Tube, 1/2" Thread Depth, One Retaining Ring Included
TTL200 1 Infinity-Corrected Tube Lens, f = 200 mm
SM2A20 1 Adapter with External SM2 Threads and Internal M38 x 0.5 Threads
SM1A2 2 Adapter with External SM1 Threads and Internal SM2 Threads
- 1 C-Mount Camerab
Sample Holder
- 1 100 mm Tall Rigid Standd
  • The components with item #s in this column can be used to build the basic structure of this microscope, which can then be customized by adding other components which should be selected based on the application. Use this link to add all of the item #s in this column to your cart: View Product List
    Item #QtyDescription
    Focus Block
    MGZ301Post-Mountable Manual Focus Block
    MP1214112" x 14" Focus Block Stand with Included DP14A Post
    SM2L101SM2 Lens Tube, 1" Thread Depth, One Retaining Ring Included
    SM2T21SM2 (2.035"-40) Coupler, External Threads, 1/2" Long
    SM1A21Adapter with External SM1 Threads and Internal SM2 Threads
    Epi-Illumination
    DFM11Kinematic Fluorescence Filter Cube, 30 mm Cage Compatible, Right-Turning, 1/4"-20 Tapped Holes
    ACL2520U-A1Aspheric Condenser Lens, Ø25 mm, f=20.1 mm, NA=0.60 ARC: 350-700 nm
    SM1L201SM1 Lens Tube, 2.00" Thread Depth, One Retaining Ring Included
    SM1RRC1Extra-Thick SM1 (1.035"-40) Threaded Retaining Ring
    AD3LLG1Ø3 mm LLG to SM1 Adapter
    SM1CP21Externally SM1-Threaded End Cap
    Camera Tube
    SM1A91Adapter with External C-Mount Threads and Internal SM1 Threads
    SM1ZM1SM1 Zoom Housing for Ø1" Optics, Non-Rotating, 4.1 mm Travel
    SM1L032SM1 Lens Tube, 0.30" Thread Depth, One Retaining Ring Included
    SM2L301SM2 Lens Tube, 3" Thread Depth, One Retaining Ring Included
    SM2L051SM2 Lens Tube, 0.5" Thread Depth, One Retaining Ring Included
    TTL2001Tube Lens, f = 200 mm, ARC: 350-700 nm, External M38 x 0.5 Threads
    SM2A201Adapter with External SM2 Threads and Internal M38 x 0.5 Threads
    SM1A22Adapter with External SM1 Threads and Internal SM2 Threads
    .
  • Our selection of liquid light guides, illumination sources, fluorescence filter sets, cameras, and sample holders can be used to customize this simple build-it-yourself microscope.
  • The LLG collimation assembly (ALC2520U-A, SM1L20, and AD3LLG) can be replaced with one of Thorlabs' mounted LEDs collimated using an aspheric condenser lens mounted in an SM1V05 variable lens tube. The assembly can be mounted to the DFM1 using the SM1T2 lens tube coupler and an SM1L03 lens tube. Click here for more details on how to build a collimation module using the SM1V05. 
  • The setup shown to the right uses the MP100-RCH2 Rigid Stand with Slide Holder. Any of our other styles of 100 mm tall rigid stands (item # prefix MP100) can be used to customize the setup for a given application. Our complete selection of rigid stands can be viewed by clicking the link in the table.

Posted Comments:
rainog  (posted 2017-04-18 08:29:34.687)
Hello, Regarding MGZ30: I want to use it in an inverted microscope. I am wondering about the stability. What will be the vertical mechanical drift? Thank you!
tfrisch  (posted 2017-04-28 03:39:34.0)
Hello, thank you for contacting Thorlabs. I will reach out to you directly about your inverted scope application.
hsieh-fu.tsai  (posted 2016-12-08 23:43:22.453)
Hello, Regarding MGZ30, can it be mounted in reverse? I want to build an inverted microscope and i wonder if MGZ30 can be used? Thank you
tfrisch  (posted 2016-12-16 10:32:02.0)
Hello, thank you for contacting Thorlabs. MGZ30 can be mounted in an inverted orientation, yes.
dkleckner  (posted 2015-06-09 12:07:00.803)
Is it possible to use the focus blocks in an inverted position? If so is the load reduced?
besembeson  (posted 2015-09-03 01:10:33.0)
Response from Bweh at Thorlabs USA: Yes this is possible. However, because of the high gear ratio, its repeatability could be reduced and and backlash increased in the inverted position.
user  (posted 2014-02-18 13:45:04.88)
I hope the T-SCOPE has a illumination port.
besembeson  (posted 2014-02-28 03:53:28.0)
Response from Bweh E. at Thorlabs. This only has a viewport for the camera but has no illumination port. The sample area is typically illuminated from the side.
user  (posted 2013-12-13 06:14:06.537)
Why no software for the motorized T-scope?
jlow  (posted 2013-12-19 12:53:20.0)
Response from Jeremy at Thorlabs: We can send you the software package. Since you did not leave any contact information, can you contact us at imagingsales@thorlabs.com to obtain the software please? Thanks.
cbrideau  (posted 2013-08-15 18:48:42.557)
Would it be possible to replace the 1.5" post clamp with something design to mate to the XT95 rail system? A drawback to the round post is the whole head is susceptible to rotating around the post, whereas the square XT95 would prevent this.
cdaly  (posted 2013-08-22 10:21:00.0)
Response from Chris at Thorlabs: Thank you for using our feedback tool. I agree that this would be a nice feature to eliminate any unwanted rotation when adjusting the z-axis. I will discuss your suggestion with our department responsible for producing these.
martin.vogel  (posted 2013-07-26 10:51:55.65)
Hello, can I control the MGZ30-MOT also from custom software, e.g. via DLL calls or commands sent to the device? Thank you!
tcohen  (posted 2013-08-01 10:15:00.0)
Response from Tim at Thorlabs: Thank you for contacting us. There is a SDK and a provided standalone GUI available for this unit. An engineer will contact you to discuss this further.
user  (posted 2013-04-23 12:38:10.993)
is the MP1214 stand available in metric (with M6 tapped holes)?
tcohen  (posted 2013-04-25 15:24:00.0)
Response from Tim at Thorlabs: Thank you for your inquiry. Although we do have metric breadboards (http://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=159) we don’t currently have a metric equivalent to this part. I notice that you didn’t leave any contact information. If you would like to discuss a quote for this part, please contact us at techsupport@thorlabs.com.

Post-Mountable Focus Block

Dovetail Adapter
Click for Details

Dovetail Adapter
Five-Objective Turret
Click to Enlarge

Five-Objective Turret
Fine and Coarse Adjustment Knobs
Click to Enlarge

Adjustment Knobs
  • Coarse and Fine Adjustment with 30 mm of Travel
  • Five-Objective Turret with M26 x 36 TPI (M26 x 0.706) Threads
  • Includes Five Adapters that Accept RMS-Threaded Objectives

The MGZ30 Post-Mountable Focus Block positions an objective along the Z-axis of a home-built imaging system. It features 30 mm of travel with fine and coarse adjustment knobs (pictured to the right), and is designed to be mounted on our series of Ø1.5" posts. Please note that posts and bases are not included with this package; one option is the MP1214 Focus Block Stand, shown below.

The focus block includes a built-in five-objective turret with M26 x 36 TPI (M26 x 0.706) threading, pictured to the right. In order to allow direct mounting of RMS-threaded objectives, the focus block ships with five RMSA7 adapters. A selection of adapters for the commonly used M25 x 0.75 and SM1 (1.035"-40) threads is shown below, but Thorlabs manufactures many other adapters as well.

The MGZ30 package includes a dovetail adapter (pictured to the upper right) that is located above the lens turret and enables direct integration of 30 mm cage systems, SM1-threaded (1.035"-40) components, and SM2-threaded (2.035"-40) components.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
MGZ30 Support Documentation
MGZ30Post-Mountable Manual Focus Block
$2,753.04
Today

Stand for Focus Block

  • 3/4" Thick, 12" x 14" Breadboard with Side Grips
  • Damped Post Adds Stability by Reducing Vibrations
  • 1/4"-20 Tapped Hole Pattern Designed for Thorlabs' Microscopy Stages

The MP1214 Focus Block Stand consists of a 3/4" thick breadboard and a Ø1.5" Dynamically Damped Post. The 12" x 14" breadboard is 50% thicker than our standard breadboards, includes side grips for portability, and has a 1/4"-20 tapped mounting hole pattern designed to accommodate Thorlabs' microscopy stages for positioning samples. This assembly provides stable mounting and reduces vibrations that degrade the image quality. An MGZ30 Focus Block can be mounted anywhere along the 14" long DP14A post.

The DP14A post is also available for purchase separately for users who already have breadboards.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Imperial Price Available
DP14A Support Documentation
DP14AØ1.5" Dynamically Damped Post, 14" Long
$219.67
Today
+1 Qty Docs Part Number - Universal Price Available
MP1214 Support Documentation
MP121412" x 14" Focus Block Stand with Included DP14A Post
$716.11
Today

M26 x 36 TPI Adapters for Threaded Objectives

Item # External Threads Internal Threads
RMSA7M26 x 36 TPIRMS (0.800"-36)
M25A1M26 x 36 TPIM25 x 0.75
SM1A28M26 x 36 TPISM1 (1.035"-40)

These thread adapters convert the M26 x 36 TPI (M26 x 0.706) thread on the MGZ30 Post-Mountable Focus Blocks shown above to several common threads used in objective lenses. Thorlabs' complete selection of thread adapters allows interconversion between these threads and nearly every other standard.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
RMSA7 Support Documentation
RMSA7Adapter with External M26 x 0.706 Threads and Internal RMS Threads
$22.07
Today
M25A1 Support Documentation
M25A1Adapter with External M26 x 0.706 Threads and Internal M25 x 0.75 Threads
$28.12
Today
SM1A28 Support Documentation
SM1A28Customer Inspired! Adapter with External M26 x 0.706 Threads and Internal SM1 Threads
$21.31
Today

RMS-Threaded Caps

Objective Lens Turret Protected by RMSCP2 Dust Cap
Click to Enlarge

RMSCP2 Protecting Turret Ports of an Inverted Microscope
Microscope Objective Covered by RMSCP1 Dust Cap
Click to Enlarge

RMSCP1 Covering an Objective
  • RMSCP1: Internally RMS-Threaded Cap for Microscope Objectives
  • RMSCP2: Externally RMS-Threaded Cap for Objective Lens Turret Ports

These RMS-Threaded Caps are designed to protect microscope objectives, objective lens turret ports, and other RMS (0.800"-36) threaded components. The RMSCP1 has internal RMS threading, making them compatible with standard RMS-threaded microscope objective lenses. The RMSCP2 has external RMS threading to cover unused objective lens ports (see image on the far right). Each of these caps is made from anodized aluminum and has a knurled edge for secure hand tightening.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
RMSCP2 Support Documentation
RMSCP2Externally RMS-Threaded Cap for Objective Lens Ports
$17.21
Today
RMSCP1 Support Documentation
RMSCP1Internally RMS-Threaded Cap for Microscope Objective Lenses
$17.21
Today
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