Prism Optical Pro CX40
Ergonomics, Performance, Affordable –
Designed and engineered for excellent images, ease of use, while remaining affordable

Easy to adjust, comfortable to use
Two large stage options:
- 175⨉145mm right hand drive or
- 187⨉167mm left or right handed drive
Low position, coaxial focus control with adjustable upper stop and tension
400mm eyepiece height with 54 – 75mm inter-pupiliary range
Excellent optical components



Excellent components
Excellent components
- Excellent components
- Infinity colour correct optical system
- High quality achromatic swing-top condenser for Köhler illumination (NA 1.2 / 0.22)
- High eye point wide field PL10⨉FN22 and PL15⨉FN16 eyepieces available
High resolution objectives
- Plan achromatic
- Plan achromatic phase contrast, and
- Plan semi-apochromatic fluorescence objectives
A solid and versatile platform
Multiple techniques with no compromises in quality.






Key Features
All of the features you expect
-
Clever features
- Robust Y shaped frame
- Integrated carry handle
- Built-in screwdriver holder
-
Advanced contrast techniques
- Polarised light
- Dark field (dry and oil)
- Phase contrast
- Fluorescent illumination
-
Affordable quality fluorescence
- High quality filters (UV/VB/G; 30ND25-RFLP / 30ND50-RFLP attenuation plate)
- LED Fluorescence illumination or
- 100W Osram DC mercury vapour illumination (shown)
-
Perfect for demanding imaging applications
-
Good ergonomic options
- Tilting ergonomic binocular head
- 70:30 or 0:100 beam splitting device for off axis camera attachment
- Left or right handed stage options
-
Powerful illumination options
- 6V 30W halogen
- 3W COB LED
Technical information
Technical specifications
| Optical system | Infinity colour corrected |
| Viewing head |
|
| Interpupiliary distance | 54 – 75mm |
| Diopter adjustment | ± 5 Left and right |
| Eyepieces | High point wide field plan eyepeices
|
| Objectives |
|
| Nosepiece |
|
| Body | Y shaped with integrated handle and screwdriver slot |
| Focus | Coaxial fine and coarse focus with upper limit stop and tension adjust. Coarse range: 30mm. Fine precision: 0.002mm |
| Stage | Dual layer mechanical stage
|
| Condensor | Height adjustable, interchangeable condensor
|
| Transmitted light source |
|
| Reflected light source | 100W Osram Mercury vapour bulb with Centerable Koehler illumation, adjustable field and aperture diaphragms, stand alone control box |
| Fluorescence filters |
|
| Polarisation kit | 360° analyser and polarisor slidier devices |
| Transmitted illumination filters |
|
| Separate beam splitter | R:T 70:30 or 100:0, 1⨉ c-mount |
| C-mount adaptors | Focus adjustable
|
Download CX40 brochure: CX40 nn.
Objective specifications
| Type | Magnification | NA | WD | FN | Cover glass correction | Oil immersion | Spring |
|---|---|---|---|---|---|---|---|
| Plan achromatic | 2⨉ | 0.06 | 5.0 | 22 | — | — | — |
| 4⨉ | 0.10 | 11.9 | 22 | 0.17 | — | — | |
| 10⨉ | 0.25 | 12.1 | 22 | 0.17 | — | — | |
| 20⨉ | 0.40 | 1.5 | 22 | 0.17 | — | — | |
| 40⨉ | 0.65 | 0.36 | 22 | 0.17 | — | ||
| 60⨉ | 0.85 | 0.3 | 22 | 0.17 | — | ||
| 100⨉ | 1.25 | 0.18 | 22 | 0.17 | |||
| Plan achromatic phase contrast | PH10⨉ | 0.25 | 12.1 | 22 | 0.17 | — | — |
| PH20⨉ | 0.4 | 1.5 | 22 | 0.17 | — | — | |
| PH40⨉ | 0.65 | 0.36 | 22 | 0.17 | — | ||
| PH100⨉ | 1.25 | 0.18 | 22 | 0.17 | |||
| Plan semi-apochromatic fluorescence | Fluor 4⨉ | 0.13 | 18.5 | 25 | 0.17 | — | — |
| Fluor 10⨉ | 0.30 | 10.6 | 25 | 0.17 | — | — | |
| Fluor 20⨉ | 0.50 | 2.33 | 25 | 0.17 | — | — | |
| Fluor 40⨉ | 0.75 | 0.6 | 25 | 0.17 | — | — | |
| Fluor 100⨉ | 1.28 | 0.21 | 25 | 0.17 | — |

