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Description of this part for the microscope.

25
Cover glass: not required
Thread: RMS
Tube length: 160 mm
Focal length: 45 mm
Immersion: no (dry objective)
Thread: RMS

This objective can be used both:
- with biological microscopes using transmitted-light illumination
- with inverted microscopes
- with microscopes with reflected-light illumination
- for macro photography by directly connecting it to a camera

This objective fits practically any microscope from any manufacturer, provided that it has an RMS thread and supports objectives for TL=160 mm. Several examples of such microscopes are listed in the "compatibility" section, but this is not a complete list.

Several facts are worth emphasizing:
- many Hund Wetzlar microscope models are identical to models sold by Will Wetzlar due to their joint production. For example, the BX300 and Wilovert models even have the same name. Therefore, Hund Wetzlar microscope objectives can also be used with Will Wetzlar microscopes.
- the companies Eschenbach, Kremp Wetzlar, CBS Beck Kassel and Kosmos Stuttgart also used Will Wetzlar objectives, so Hund Wetzlar microscope objectives can also be used with microscopes from these manufacturers - but it is worth checking the parfocal length first (37 mm or 45 mm)
- objectives with magnifications below 16x (e.g. 4x / 5x or 10x) fit both classic biological microscopes, microscopes with reflected-light illuminators and inverted microscopes.

Description of this part for the microscope.

65
Cover glass: yes, 0,17 mm
Thread: RMS
Tube length: 160 mm
Focal length: 45 mm
Immersion: no (dry objective)
Thread: RMS

This objective fits practically any microscope from any manufacturer, provided that it has an RMS thread and supports objectives for TL=160 mm. Several examples of such microscopes are listed in the "compatibility" section, but this is not a complete list.

- many Hund Wetzlar microscope models are identical to models sold by Will Wetzlar due to their joint production. For example, the BX300 and Wilovert models even have the same name. Therefore, Hund Wetzlar microscope objectives can also be used with Will Wetzlar microscopes.
- the companies Eschenbach, Kremp Wetzlar, CBS Beck Kassel and Kosmos Stuttgart also used Will Wetzlar objectives, so Hund Wetzlar microscope objectives can also be used with microscopes from these manufacturers - but it is worth checking the parfocal length first (37 mm or 45 mm)

Description of this part for the microscope.

25
Cover glass: yes, 0.17 mm
Thread: RMS
Tube length: 160 mm
Focal length: 45 mm
Immersion: yes, oil immersion
Thread: RMS

This objective fits practically any microscope from any manufacturer, provided that it has an RMS thread and supports objectives for TL=160 mm. Several examples of such microscopes are listed in the "compatibility" section, but this is not a complete list.

- many Hund Wetzlar microscope models are identical to models sold by Will Wetzlar due to their joint production. For example, the BX300 and Wilovert models even have the same name. Therefore, Hund Wetzlar microscope objectives can also be used with Will Wetzlar microscopes.
- the companies Eschenbach, Kremp Wetzlar, CBS Beck Kassel and Kosmos Stuttgart also used Will Wetzlar objectives, so Hund Wetzlar microscope objectives can also be used with microscopes from these manufacturers - but it is worth checking the parfocal length first (37 mm or 45 mm)

Description of this part for the microscope.

10 160/-
Numerical aperture N.A.: 0.10
Cover glass: not required
Thread: RMS
Tube length: 160 mm
Parfocal distance: 45 mm (so-called long objective)
Immersion: no (dry objective)

This objective can be used:
- on biological transmitted light microscopes
- on inverted microscopes
- on microscopes with a reflected light illuminator
- for macro photography, connected directly to a camera

This is the so-called black series of objectives, named after the black plastic objective barrel. They were used mainly in the Will Wetzlar microscopes of the V300 series, for example in the Wilozyt V365 model. This was the period when manufacturers were experimenting with a new look for microscope parts, and exactly the same black series appeared, for example, in the Leitz Wetzlar HM-LUX-3 microscopes.

It is worth noting that the Will Wetzlar microscopes of the V100 and V200 series were usually fitted with objectives of 37 mm parfocal distance - but newer objectives with a parfocal distance of 45 mm, such as those of the black series, can be used in them without any problems whatsoever.

The companies Eschenbach, Kremp Wetzlar, CBS Beck Kassel, Kosmos Stuttgart and Hund Wetzlar also used objectives made by Will Wetzlar, although these often carried their own company name. It can therefore be said with a high degree of confidence that this objective will also fit the microscopes of those companies.

This objective fits practically any microscope of any make, provided it has an RMS thread and accepts objectives with TL=160 mm and parfocal distances of 33 / 37 and 45 mm. A few examples of such microscopes are listed in the "kompatybilność" section, but that list is not exhaustive.

Description of this part for the microscope.

25 160/0.17
Numerical aperture N.A.: 1.25
Cover glass: yes, 0.17 mm
Thread: RMS
Tube length: 160 mm
Parfocal distance: 45 mm (so-called long barrel)
Immersion: yes, oil immersion

This objective can be used:
- on biological transmitted light microscopes
- on inverted microscopes
- on microscopes with a reflected light illuminator
- for macro photography, connected directly to a camera

This is the so-called black series of objectives, named after the black plastic objective barrel. They were used mainly in the Will Wetzlar microscopes of the V300 series, for example in the Wilozyt V365 model. This was the period when manufacturers were experimenting with a new look for microscope parts, and exactly the same black series appeared, for example, in the Leitz Wetzlar HM-LUX-3 microscopes.

It is worth noting that the Will Wetzlar microscopes of the V100 and V200 series were usually fitted with objectives of 37 mm parfocal distance - but newer objectives with a parfocal distance of 45 mm, such as those of the black series, can be used in them without any problems whatsoever.

The companies Eschenbach, Kremp Wetzlar, CBS Beck Kassel, Kosmos Stuttgart and Hund Wetzlar also used objectives made by Will Wetzlar, although these often carried their own company name. It can therefore be said with a high degree of confidence that this objective will also fit the microscopes of those companies.

This objective fits practically any microscope of any make, provided it has an RMS thread and accepts objectives with TL=160 mm and parfocal distances of 33 / 37 and 45 mm. A few examples of such microscopes are listed in the "kompatybilność" section, but that list is not exhaustive.

Description of this part for the microscope.

17 100/1.25 Oel
Catalogue number in the manufacturer's catalogue: 519756
Numerical aperture N.A.: 1.25
Cover glass: yes, 0.17 mm
Thread: RMS
Tube length: 160 mm
Parfocal length: 45 mm (so-called long barrel objective)
Immersion: yes, oil

This is the so-called "black series" of objectives, named after the black plastic housing of the objective. They were used mainly in Leitz Wetzlar HM-LUX-3 microscopes (and in the model signed Leica HM-LUX 3). This was the period when manufacturers were experimenting with a new look for microscope parts, and exactly the same kind of "black series" could also be found in Will Wetzlar V300 / V355 / V365 or Nikon Alphaphot YS2 microscopes.

This objective fits practically any microscope from any manufacturer, provided it has an RMS thread and accepts objectives with a tube length of 160 mm and a parfocal length of 33 / 37 or 45 mm. A few such microscopes are listed as examples in the "compatibility" section, but this is not a complete list.

Description of this part for the microscope.

25
Catalogue number in the manufacturer's catalogue: 519754
Numerical aperture N.A.: 0.25
Cover glass: not required
Thread: RMS
Tube length: 160 mm
Parfocal length: 45 mm (so-called long barrel objective)
Immersion: no (dry objective)

This is the so-called "black series" of objectives, named after the black plastic housing of the objective. They were used mainly in Leitz Wetzlar HM-LUX-3 microscopes (and in the model signed Leica HM-LUX 3). This was the period when manufacturers were experimenting with a new look for microscope parts, and exactly the same kind of "black series" could also be found in Will Wetzlar V300 / V355 / V365 or Nikon Alphaphot YS2 microscopes.

From 1990 onwards, the logo (and the name) "Leica" began to appear on microscopes that had until then been signed "Leitz". This was also visible on the HM-LUX 3 microscope - and this microscope can be found both with the "Leitz" logo and with "Leica". The same 10x objective that I present here with the name "Leitz Wetzlar" and manufacturer number 519754 also exists with the "Leica" marking - and NOTE - it carries exactly the same number, that is "519754".

This objective fits practically any microscope from any manufacturer, provided it has an RMS thread and accepts objectives with a tube length of 160 mm and a parfocal length of 33 / 37 or 45 mm. A few such microscopes are listed as examples in the "compatibility" section, but this is not a complete list.

Description of this part for the microscope.

100x
Colour correction: achromatic
Model: E. 100 1.25 oil 160/0.17
Numerical aperture N.A.: 1.25
Cover glass: yes, 0.17 mm thick
Thread: RMS
Tube length: 160 mm
Parfocal length: 45 mm (long barrel objective)
Immersion: yes, oil
Operating mode: objectives marked "E." are already CF objectives (CFN to be precise) and need no additional correction

This objective needs no additional correction from a tube lens or from the eyepieces. That makes it possible to fit it to microscopes of other makes, and in photomicrography it works in direct projection mode (it throws the image straight onto the camera sensor, with no relay optics needed).

This is the so-called black series of objectives, named after the black plastic barrel. They were used mainly in the Nikon Alphaphot YS2 microscope. That was the period when manufacturers were experimenting with a new look for microscope parts, and exactly the same black series appeared for instance in the Leitz / Leica HM-LUX 3 microscope or in the Will Wetzlar V300 / V355 / V365 microscopes.

This objective fits practically any microscope of any make, provided it has an RMS thread and supports objectives with TL = 160 mm and parfocal lengths of 33 / 37 and 45 mm. A few such microscopes are listed in the "compatibility" section, but that list is not complete.

Description of this part for the microscope.

correction: achromatic
Model: E 40 0.65 160/0.17
Numerical aperture N.A.: 0.65
Cover glass: yes, 0.17 mm thick
Thread: RMS
Tube length: 160 mm
Parfocal length: 45 mm (long barrel objective)
Immersion: no
Operating mode: objectives marked "E." are already CF objectives (CFN to be precise) and need no additional correction

This objective needs no additional correction from a tube lens or from the eyepieces. That makes it possible to fit it to microscopes of other makes, and in photomicrography it works in direct projection mode (it throws the image straight onto the camera sensor, with no relay optics needed).

This is the so-called black series of objectives, named after the black plastic barrel. They were used mainly in the Nikon Alphaphot YS2 microscope. That was the period when manufacturers were experimenting with a new look for microscope parts, and exactly the same black series appeared for instance in the Leitz / Leica HM-LUX 3 microscope or in the Will Wetzlar V300 / V355 / V365 microscopes.

This objective fits practically any microscope of any make, provided it has an RMS thread and supports objectives with TL = 160 mm and parfocal lengths of 33 / 37 and 45 mm. A few such microscopes are listed in the "compatibility" section, but that list is not complete.