Objective Assistant

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Objective AssistantList of ObjectivesObjective data

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Brochure: Objectives from Carl Zeiss (5 MB)
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Objective Class: Plan-Apochromat SF25
Best field flattening, best correction, confocal microscopy

Transmittance curve
Objective Plan-Apochromat 20x/0.8 M27
420650-9901-000
[no longer available]
Price on request
Magnification 20x
Numerical Aperture 0.8
Free Working Distance [mm] 0.55
Coverglass Thickness [mm] 0.17
Thread Type M27x0.75
Immersion Without Immersion
Field of View [mm] 25
Parfocal Length [mm] 45.06
Long Distance (LD)
Correction Ring (Corr)
Iris (Iris)
Optical System Infinity Color Corrected System (ICS)
Flatness
Color Correction
Biomedical Applications
Fluorescence
- Multichannel
- Ultraviolet Transmission
- Infra Red Transmission
BrightField (B)
Differential Interference Contrast (DIC)
High Contrast DIC (HC DIC)
PlasDIC Contrast
Phase Contrast (PH)
VAREL Contrast
Hoffman Modulation Contrast (HMC)
Polarization Contrast (POL)
Materials (Reflected Light) Applications
BrightField (B)
BrightField/DarkField (BD)
Reflected Light DIC (RL DIC)
High Contrast DIC (HC DIC)
DIC with circular polarized light (C-DIC)
Total Interference Contrast (TIC)
Polarization Contrast (POL)
Options
Definite Focus.2
Confocal Microscopy
- Ultra Violet
- VIS (visible light)
NLO-IR / 2 Photon
Total Internal Reflection Fluorescence (TIRF)
ApoTome
Microdissection
Objective Plan-Apochromat 20x/0.8 M27

Objective Plan-Apochromat 20x/0.8 M27 (FWD=0.55mm), incl. Cover glasses, high performance, CG=0.17mm, box with 100 pc.
Mechanical Dimensions
Click to enlarge

All measures in [mm]

mech. Arbeitsabstand = mechanical working distance
Deckglas = cover glass
Objektebene = object plane
Objektfeld = object field
Ausleuchtung = illumination
Probenzugänglichkeit = specimen accessibility

Transmittance curve
Click to enlarge

Please note that due to production tolerances, the given values are typical only and not guaranteed.



 Fitting Accessories for
 420650-9901-000 Objective Plan-Apochromat 20x/0.8 M27
 DIC sliders
DIC slider EC PN 10x/0.30 I, 20x/0.50 II, PA 20x/0.80 II, Item Number: 426940-0000-000
DIC slider EC PN 10x/0.30 I, 20x/0.50 II, PA 20x/0.80 II
Item Number: 426940-0000-000
DIC slider EC PN 10x/0.30 I, 20x/0.50 II, PA 20x/0.80 II
Price

 Other Accessories
Adapter 30mm with optics and DIC slider mount, Item Number: 424516-9040-000
Adapter 30mm with optics and DIC slider mount
Item Number: 424516-9040-000
Adapter 30mm with optics and DIC slider mount for adaptation of objectives M27 with parfocal length of 45 mm
Note: This item is no longer available.
Price

Adapter 30mm with optics and DIC slider mount, Item Number: 424516-9041-000
Adapter 30mm with optics and DIC slider mount
Item Number: 424516-9041-000
Adapter 30mm with optics and DIC slider mount for adaptation of objectives M27 with parfocal length of 45mm
Price

Cover glasses, high performance, D=0.17mm, box with 1000 pc., Item Number: 474030-9000-000
Cover glasses, high performance, D=0.17mm, box with 1000 pc.
Item Number: 474030-9000-000
Cover glasses, high performance, D=0.17mm, box with 1000 pc. Size 18x18 mm² type 1 1/2 H as per ISO 8255-1 with restricted thickne ...
Price

Objective ring ACR for objective sleeve conical short, Item Number: 424509-0000-000
Objective ring ACR for objective sleeve conical short
Item Number: 424509-0000-000
Objective ring ACR for objective sleeve conical short
Price


Objective ring ACR for objective sleeve conical short

Objective ring ACR for objective sleeve conical short, Item Number: 424509-0000-000

Description:
Objective ring ACR for objective sleeve conical short
Transmission grid L1 ApoTome for Axio Imager, Item Number: 423664-0000-000
Transmission grid L1 ApoTome for Axio Imager
Item Number: 423664-0000-000
Transmission grid L1 ApoTome for Axio Imager
Price

Transmission grid PL ApoTome, Item Number: 000000-1151-003
Transmission grid PL ApoTome
Item Number: 000000-1151-003
Transmission grid PL ApoTome for Axioplan 2
Price

Transmission grid VL ApoTome, Item Number: 000000-1151-004
Transmission grid VL ApoTome
Item Number: 000000-1151-004
Transmission grid VL ApoTome for Axio Observer and Axiovert 200
Note: This item is no longer available.
Price

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