Plan Fluor Objective lenses

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Short Description

Plan Apochromatic lenses

10x, 20x, 40x, 100x

Introduction

Plan Fluor Objective Lenses

Features

Abbreviations:

BF: Brightfield,

BD: brightfield-darkfield,

DF: Darkfield,

DOF: Depth of Field (mm or um)

F: Focal Length (mm)

FL: Fluorescent, Fluorescence

FOV: Field of View (mm)

NA: Numerical Aperture 

Pol: Polarized, Polarizing

RMS: Royal Manufacturing Standard, RMS Thread = 0.800"-36 or 4/5"-36

WD: Working Distance (mm)

 

Specification

Description

 Epi-Fluorescent Objective lenses 


Apochromat lenses are the highest quality and have been corrected to bring 3 wavelengths (red, green & blue) into focus on the same plane in epi-fluorescent microscopes such as IncuScope. Apochromat lenses have a flat field of view, meaning that the curvature of the lens has been corrected so that the entire circular image is crisp and in focus.

Plan Achromat Lenses are the mid-range quality lens and have been corrected to bring 2 wavelengths (red & blue) into focus on the same plane. Plan lenses also have a flat field of view.

Achromat lenses are the basic quality lens and have been corrected to bring 2 wavelengths (red & blue) into focus on the same plane. However, without the "plan" indication - these lenses have not been corrected for the curvature of the lens and do not have a completely flat field of view - meaning the very outer edges of the circular image viewed will be slightly out of focus due to that curvature of the lens.

Lens Type Quality Corrected for Field of View
Apochromat Best 3 Wavelengths Flat
Plan Achromat Middle 2 Wavelengths Flat
Achromat Lowest 2 Wavelengths Not Flat

 

High NA Plan Fluor Lenses

Magnification

NA

WD

(mm)

F’ (mm)

R (μ)

 

DF (μ)

FOV

On object

(mm)

FOV

on image

(mm)

Thread

10x

0.40

3.6

20.0

0.74

1.65

2.2

22.0

 RMS

20x

0.75

0.6

10.0

0.45

0.59

1.1

22.0

 RMS

40x

0.95

0.17

5.0

0.35

0.37

0.55

22.0

 RMS

100x (water)

1.20

0.16

2.0

0.28

0.23

0.22

22.0

 RMS

100x (Oil)

1.35

0.08

2.0

0.25

0.18

0.22

22.0

 RMS

RMS = 0.800"-36

Configuration

Software

Images

Links