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Adapters for Upright Nikon Eclipse Microscopes


  • Adapters for Epi-Illumination, Lamphouse, Camera, Trinocular, Eyepiece, and Condenser Ports
  • Modify Upright Nikon Eclipse Microscopes Using Thorlabs' Optomechanical Components

SM1A58

Camera Port
Adapter

Application Idea

SM1A58 Camera Port Adapter Used to Mount
Thorlabs’ Scientific Camera

SM2N2

Eyepiece
Adapter

LED4A5

Epi-Illumination Module
Bayonet Mount Adapter

LCPN1

Condenser Port Adapter

SM2N3

Lamphouse Port Adapter

Related Items


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Click on Each Port to View Available Adapters

Upright Nikon Eclipse Ports

Nikon Eclipse FN1 Microscope

Trinocular Port Epi-Illumination Port Lamphouse Port Condenser Port Eyepiece Port Camera Port Camera Port Trinocular Port Epi-Illumination Port Eyepiece Ports Lamphouse Port Condenser Port

Features

Illumination Adapters
Thorlabs offers adapters to modify the epi-illumination pathway to accept SM threading or a cage system. Adapters with a male Nikon bayonet mount adapt LED light sources and other collimated illumination sources.

The SM2N3 adapter is designed for a collimated illumination source to mount onto the lamphouse port.

Camera Port Adapter
The SM1A58 adapter is designed to allow components with SM1 threading, SM2 threading, or 30 mm cage system compatibility to be mounted to the camera port. These adapters are also compatible with Thorlabs' Cerna® microscopes and are ideal for inserting custom optics, as well as our CCD and CMOS cameras, into brightfield and fluorescence microscope systems. 

Trinocular Adapters
Custom widefield viewing and image detection setups or Olympus trinoculars with a D5Y dovetail can be connected to the trinocular port using an LCPN2 or LCPN3 adapter, respectively. See the Microscope Dovetails tab for details about Olympus' D5Y dovetail.

Eyepiece Adapter
The SM2N2 adapter replaces the lens element on an eyepiece of the Nikon microscope's trinoculars, allowing custom image detection or viewing setups to be attached to the microscope.

Condenser Adapter
The LCPN1 adapter connects to the condenser holder, allowing the attachment of DIY setups that condition incoming light for trans-illumination.

Note: Thorlabs does not guarantee compatibility with other industry-standard microscopes not mentioned on this wepage.

Adapters for Industry Standard Microscopes
Olympus BX and IX
Nikon Eclipse Ti (Inverted)
Upright Nikon Eclipse Microscopes
Leica DMI
Zeiss Axioskop and Examiner
Thorlabs Dovetail Referencea
Type Shape Outer Dimension Angle
95 mm Linear 95 mm 45°
D1N Circular Ø2.018" 60°
D2Nb Circular Ø1.50" 90°
D2NBb Circular Ø1.50" 90°
D3N Circular Ø45 mm 70°
D5N Circular Ø1.58" 90°
D6N Circular Ø1.90" 90°
D7N Circular Ø2.05" 90°
D1T Circular Ø1.50" 60°
D3T Circular Ø1.65" 90°
D1Y Circular Ø107 mm 60°
D2Y Circular Ø2.32" 50°
D3Y Circular Ø1.75" 90°
D4Y Circular Ø56 mm 60°
D5Y Circular Ø46 mm 60°
D6Y Circular Ø41.9 mm 45°
D1Z Circular Ø54 mm 60°
D2Z Circular Ø57 mm 60°
D3Z Circular Ø54 mm 45°
  • These dovetail designations are specific to Thorlabs products and are not used by other microscope manufacturers.
  • D2N and D2NB dovetails have the same outer diameter and angle, as defined by the drawings below. The D2N designation does not specify a height. The D2NB designation specifies a dovetail height of 0.40" (10.2 mm).
Mating Circular Dovetails
Click to Enlarge

This photo shows the male D1N dovetail on the trinoculars next to the female D1N dovetail on the epi-illumination arm.
Mating Linear Dovetails
Click to Enlarge

This photo shows the male 95 mm dovetail on the microscope body and the female 95 mm dovetail on the CSA1002 Fixed Arm.

Introduction to Microscope Dovetails

Dovetails are used for mechanical mating and optical port alignment of microscope components. Components are connected by inserting one dovetail into another, then tightening one or more locking setscrews on the female dovetail. Dovetails come in two shapes: linear and circular. Linear dovetails allow the mating components to slide before being locked down, providing flexible positioning options while limiting unneeded degrees of freedom. Circular dovetails align optical ports on different components, maintaining a single optical axis with minimal user intervention.

Thorlabs manufactures many components which use dovetails to mate with our own components or those of other manufacturers. To make it easier to identify dovetail compatibility, we have developed a set of dovetail designations. The naming convention of these designations is used only by Thorlabs and not other microscope manufacturers. The table to the right lists all the dovetails Thorlabs makes, along with their key dimensions.

In the case of Thorlabs’ Cerna® microscopes, different dovetail types are used on different sections of the microscope to ensure that only compatible components can be mated. For example, our WFA2002 Epi-Illuminator Module has a male D1N dovetail that mates with the female D1N dovetail on the microscope body's epi-illumination arm, while the CSS2001 XY Microscopy Stage has a female D1Y dovetail that mates with the male D1Y dovetail on the CSA1051 Mounting Arm.

To learn which dovetail type(s) are on a particular component, consult its mechanical drawing, available by clicking on the red Docs icon (Docs Icon) below. For adapters with a female dovetail, the drawing also indicates the size of the hex key needed for the locking setscrew(s). It is important to note that mechanical compatibility does not ensure optical compatibility. Information on optical compatibility is available from Thorlabs' web presentations.

For customers interested in machining their own dovetails, the table to the right gives the outer diameter and angle (as defined by the drawings below) of each Thorlabs dovetail designation. However, the dovetail's height must be determined by the user, and for circular dovetails, the user must also determine the inner diameter and bore diameter. These quantities can vary for dovetails of the same type. One can use the intended mating part to verify compatibility.

In order to reduce wear and simplify connections, dovetails are often machined with chamfers, recesses, and other mechanical features. Some examples of these variations are shown by the drawings below.

Male Microscope Dovetails
Click to Enlarge

Two examples of how circular male dovetails can be manufactured.
Female Microscope Dovetails
Click to Enlarge

Two examples of how circular female dovetails can be manufactured.

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Epi-Illumination Module Bayonet Mount Adapters for Upright Nikon Eclipse Microscopes

Bayonet Mount Adapter and 4-Channel LED Attached to the Back of an Epi-Illumination Module
Click to Enlarge

LED4A5 Adapter Securing a 4-Channel LED Source to an Epi-Illumination Module

These adapters allow a collimated illumination source, such as Thorlabs' Solis™ LEDs, to attach to the epi-illumination module of an upright Nikon Eclipse microscope. Each adapter uses a male Nikon bayonet mount to connect to the module port. See the table below for adapter attachment compatibility.

Item # SM1A26 SM2A18 LED4A5 SM2A17
Click Image
to Enlarge
Microscope Connection Male Nikon Bayonet Mount
SM Threading Internal SM1 (1.035"-40) Internal SM2 (2.035"-40) External SM2 (2.035"-40) External SM2 (2.035"-40)
Cage Compatibility
30 mm Cage
(4-40 Tap, 4 Places)
- - -
Anodization Black Black Silver Black
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
SM1A26 Support Documentation
SM1A26Customer Inspired! Nikon Eclipse Microscope Epi-Illumination Module Bayonet Mount Adapter, Internal SM1 Threads, 30 mm Cage Compatibility
$125.53
Today
SM2A18 Support Documentation
SM2A18Nikon Eclipse Microscope Epi-Illumination Module Bayonet Mount Adapter, Internal SM2 Threads
$125.53
Today
LED4A5 Support Documentation
LED4A5Nikon Eclipse Microscope Epi-Illumination Module Bayonet Mount Adapter, External SM2 Threads, Silver Anodized
$115.78
Today
SM2A17 Support Documentation
SM2A17Nikon Eclipse Microscope Epi-Illumination Module Bayonet Mount Adapter, External SM2 Threads, Black Anodized
$115.78
Today

Lamphouse Port Adapter for Upright Nikon Eclipse Microscopes

Item # SM2N3
Click Image
to Enlarge
SM2N3 Nikon Lamphouse Port Adapter
Microscope Connection
Female D6N Dovetaila
SM Threading Internal SM2 (2.035"-40)
  • This dovetail designation is specific to Thorlabs products; see the Microscope Dovetails tab for details.

The SM2N3 adapter is designed to allow a collimated trans-illumination source, such as a Thorlabs Solis™ LED with an SM2T2 adapter, to be attached to the lamphouse port of a Nikon Eclipse Ti microscope. This adapter utilizes a female D6N dovetail to connect to the lamphouse port of the microscope; the dovetail is secured by the included setscrew (5/64" [2 mm] hex). See the Microscope Dovetails tab for details.

This adapter features internal SM2 (2.035"-40) threading for Ø2" lens tubes, and includes one SM2RR retaining ring to secure an optic against the internal lip of the adapter.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
SM2N3 Support Documentation
SM2N3Nikon Eclipse Microscope Lamphouse Port Adapter, Female D6N Dovetail, Internal SM2 Threads
$90.18
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Camera Port Adapter for Upright Nikon Eclipse Microscopes

Scientific Camera Imaging with a Filter Wheel
Click to Enlarge

An FW102C Filter Wheel and Scientific Camera attached to the Trinoculars of a Cerna Microscope. In addition to the SM1A58 adapter, an SM1L20 lens tube, SM1T10 lens tube coupler, and SM1A9 SM1 to C-Mount adapter are used to ensure parfocality of the camera.
Item # SM1A58
Click Image to Enlarge SM1A58 Nikon Camera Adapter
Microscope Connection
Male D2N Dovetaila
SM Threading Internal SM1 (1.035"-40)
External SM2 (2.035"-40)
Cage Compatibility 30 mm Cage System
(4-40 Tap, 4 Places)
  • This dovetail designation is specific to Thorlabs products; see the Microscope Dovetails tab for details.

The SM1A58 is designed so that custom-built optical systems or detectors based on Thorlabs' components may be attached to the camera port of Upright Nikon Eclipse Microscopes or Thorlabs' Cerna Microscopes. This adapter utilizes a male D2N dovetail to secure the adapter to the port.

The SM1A58 features internal SM1 (1.035"-40) threading for Ø1" Lens Tubes, external SM2 (2.035"-40) threading for Ø2" Lens Tubes, and 4-40 tapped holes on 30 mm centers for attaching cage system rods. Since Thorlabs' USB CCD and CMOS cameras are provided with a C-Mount to SM1 adapter, our cameras can also be easily integrated into microscope systems for general imaging applications. Our Scientific CCD Cameras can be attached directly to the internal SM1 threads of the SM1A58 using the SM1A39 external C-Mount to external SM1 adapter, available separately. Our SM1 or SM2 lens tubes can be used to place the camera at the correct parfocal distance; the exact distance will depend upon the specific trinoculars or other camera ports present on your Nikon microscope.

For microscopes with trinoculars that create an inverted image, the camera sensor should be placed at a distance of 4.15" from the camera port; this can be achieved with a combination of the SM1A58 adapter, SM1T10 SM1 lens tube coupler, SM1L30 3" long SM1 lens tube, and SM1A9 C-Mount to SM1 adapter. For microscopes with trinoculars that create an erect image, an additional adapter available from Nikon is required to utilize the SM1A58 adapter. This space between the adapter and the camera can also be used for inserting custom optics and mechanical assemblies such as filter wheels (shown to the right) or our two-camera mount. For more details on integrating the SM1A58 adapter with Thorlabs' Cerna Microscope components, please see our complete Cerna Widefield Viewing Modules webpage.

In addition, an SM1-threaded dust cover (Item # SM1CP2) is included to keep the port closed when not in use. 

Based on your currency / country selection, your order will ship from Newton, New Jersey  
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SM1A58 Support Documentation
SM1A58Upright Nikon Eclipse and Thorlabs Cerna Microscope Camera Port Adapter, Internal SM1 Threads, External SM2 Threads, 30 mm Cage Compatible
$81.70
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Trinocular Port Adapters for Upright Nikon Eclipse Microscopes

Item # LCPN2 LCPN3 WFA4111
Click Image
to Enlarge
LCPN2 Nikon Trinocular Adapter LCPN3 Nikon Trinocular Adapter WFA4111 Trinocular Adapter
Microscope Connection Male D1N Dovetaila
Additional Dovetail - Female D5Y Dovetaila -
SM Threading Internal SM30 (M30.5 x 0.5) Internal M38 x 0.5
External SM2 (2.035"-40)
Cage
Compatibility
30 mm Cage System
(4-40 Tap, 4 Places)
60 mm Cage System
(Ø6 mm Bore,
4 Places)
60 mm Cage System
(Ø6 mm Bore,
4 Places)
-
  • This dovetail designation is specific to Thorlabs products; see the Microscope Dovetails tab for details.

Our trinocular port adapters modify the trinocular port on an Upright Nikon Eclipse Microscope to accept custom widefield viewing setups (Item #s LCPN2 and WFA4111) or Olympus trinoculars (Item # LCPN3). These adapters utilize a male D1N dovetail to connect to the trinocular port of the microscope, featured on the epi-illuminator module as well as on the microscope body itself. These adapters can only be attached by first removing the microscope's trinoculars, as shown in the image to the lower left.

The LCPN2 and LCPN3 feature internal SM30 (M30.5 x 0.5) threading for Ø30 mm lens tubes; two SM30RR retaining rings are included to secure an optic inside the adapter. Four through holes, each with two side-located locking setscrews (5/64" [2 mm] hex), can be used to attach Ø6 mm cage rods for 60 mm cage systems. The LCPN2 adapter is designed to be used with custom widefield viewing setups and includes additional 4-40 tapped holes on 30 mm centers on the side opposite the dovetail for 30 mm cage systems. The LCPN3 adapter features a female D5Y dovetail to allow Olympus tronoculars with a male D5Y dovetail to be used with Nikon Eclipse or Cerna microscopes.  

The WFA4111 is designed for custom widefield viewing setups and features internal M38 x 0.5 threading, which is compatible with our SM38RR retaining rings, as well as external SM2 (2.035"-40) threading for SM2 lens tubes.

The dovetail designations are specific to Thorlabs products; see the Microscope Dovetails tab for details.

D5Y Dovetail
Click to Enlarge

The LCPN3 Adapter with the D5Y Dovetail
LCPN2 Adapter Attached to Trinocular Port
Click to Enlarge

The LCPN2 Adapter Attached to Exposed Trinocular Port
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LCPN2 Support Documentation
LCPN2Nikon Eclipse or Cerna Microscope Trinocular Adapter, Male D1N Dovetail, Internal SM30 Threads, 30 and 60 mm Cage Compatibility
$111.39
Today
LCPN3 Support Documentation
LCPN3Customer Inspired! Nikon Eclipse or Cerna Microscope Trinocular Adapter, Male D1N Dovetail, Female D5Y Dovetail, Internal SM30 Threads, 60 mm Cage Compatibility
$73.34
Today
WFA4111 Support Documentation
WFA4111Adapter with Male D1N Dovetail, External SM2 Threads, and Internal M38 x 0.5 Threads
$318.15
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Eyepiece Adapter for Upright Nikon Eclipse Microscopes

Item # SM2N2
Click Image
to Enlarge
SM2N2 Nikon Eyepiece Adapter
Microscope Connection Ø1.18" Eyepiece Tube
(Alignment Slot, 5 Places)
SM Threading Internal SM1 (1.035"-40)
External SM2 (2.035"-40)
Cage Compatibility
30 mm Cage System
(4-40 Tap, 4 Places)
SM2N2 Adapter Attached to Trinocular Eyepieces
Click to Enlarge

Two SM2N2 adapters attached to the trinocular eyepieces.

The SM2N2 Eyepiece Adapter allows custom-built optical detection systems to attach to the eyepieces on the trinoculars of an upright Nikon Eclipse microscope. This adapter replaces the lens element on the eyepiece that sets the image plane at the the back of the eyes (see image to the right). Five alignment slots ensure the adapter fits snugly inside the eyepiece without rotation; because of the drop-in nature of the adapter, take care the attached system does not overbalance the 40 g eyepiece adapter when it is inside the trinoculars.

This adapter features internal SM1 (1.035"-40) threading for Ø1" lens tubes; two SM1RR retaining rings are included to secure an optic inside the adapter. The adapter also has external SM2 (2.035"-40) threading for Ø2" lens tubes. The face with the item # engraving has 4-40 tapped holes for 30 mm cage systems.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
SM2N2 Support Documentation
SM2N2Nikon Eclipse or Cerna Microscope Eyepiece Adapter, Internal SM1 and External SM2 Threads, 30 mm Cage Compatibility
$143.22
Today

Condenser Adapter for Upright Nikon Eclipse Microscopes

Item # LCPN1
Click Image
to Enlarge
LCPN1 Nikon Condenser Adapter
Microscope Connection Male D3N Dovetaila
SM Threading Internal SM30 (M30.5 x 0.5)
Cage Compatibility
30 mm Cage System (4-40 Tap, 4 Places)
60 mm Cage System (Ø6 mm Bore, 4 Places)
  • This dovetail designation is specific to Thorlabs products; see the Microscope Dovetails tab for details.

The LCPN1 Condenser Adapter utilizes a male D3N dovetail to connect custom condenser configurations to the condenser holder of an Upright Nikon Eclipse Microscope. See the Microscope Dovetails tab for details.

This adapter features internal SM30 (M30.5 x 0.5) threading for Ø30 mm lens tubes; two SM30RR retaining rings are included to secure an optic inside the adapter. Through holes with side-located locking 8-32 setscrews (5/64" [2 mm] hex) can be used to attach Ø6 mm cage rods for 60 mm cage systems. The side opposite the dovetail has 4-40 tapped holes on 30 mm centers for 30 mm cage systems.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
LCPN1 Support Documentation
LCPN1Nikon Eclipse or Cerna Microscope Condenser Adapter, Male D3N Dovetail, Internal SM30 Threads, 30 and 60 mm Cage Compatibility
$106.09
Today
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