Lenses

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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 lumascope 600. 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.

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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 lumascope 600. 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

 

Objective Lenses Selection Guide

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Note 2: Please contact us to process your order.

 

Magnification 45mm parfocal distance
NA W.D. (mm) f’(mm) R (μm) ±Δp (μΜ)
M Plan  2.5x 0.07 9.2 80 4.7 56
M Plan  5X 0.12 13 40 2.1 38.3
M Plan  10X 25 18.2 20 0.9 7.8
M Plan  20X 0.4 10.5 10 0.7 3.5
M Plan  50X 0.55 7.0 4 0.5 1.4
M Plan 100X 0.72 2.3 2 0.3 0.7

Objectives/20x_PD.jpg

 

BIOIMAGER Plan Apo 95mm Objective lenses:

 

Magnification N.A W.D.(mm) F(mm) R(μ) D.F.(μ) FOV.(mm)on object View(mm)On image Mass(g)
1x 0.015 14.0 200 22.0 148 34.0 34 300
2x 0.050 20.0 100 6.67 133 23.0 46 220
5x 0.12 22.0 40 2.7 23.0 10.0 50 230
10x 0.30 34.0 20 1.1 3.7 4.4 44 230
20x 0.30 33.0 10 1.1 3.7 2.5 50 370
50x 0.50 20.7 4 0.67 1.33 1.0 50 290
100x 0.80 4.0 2 0.42 0.52 0.5 50 320
150x 0.60 4.4 1.33 0.56 0.93 0.33 50 320
200x 0.65 2.2 1.00 0.51 0.79 0.25 50 320
250x 0.70 2.0 0.80 0.48 0.68 0.20 50 320
500x 0.75 1.96 0.40 0.44 0.59 0.10 50 320

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