Small Objective Lens Overview

Avantier introduces its cutting-edge Small Objective Lens, a revolutionary solution for weight and size-sensitive applications that demand rapid response and precision. Ideal for a range of fields such as disease testing, water monitoring, and on-the-go microscopic examinations, our small objectives redefine convenience without compromising performance.

Miniaturized Objective Lens
Small Objective Lens

Technical Features

  • Small size: ∅2.1mm-∅3.3mm
  • Ultra-wide working wavelength range: 435-650, 920±10, 1064±10, 1300±10
  • Excellent image quality: semi-apochromatic aberration correction

Factory Standard

Magnification

10X 

7X

5X

3X

NA 

0.85

0.7

0.55

0.5

FOV Diameter (mm) 

Object

  /Image

Object

  /Image

Object

  /Image

Object

  /Image

0.14/1.4

0.192/1.4

0.272/1.4

0.41/1.4

Working Distance (um)

100

240

500

500

Image Distance (mm)

0.8

0.8

1

1

Conjugate Distance (mm)

9.1-15

9.1-15

9.1-15

9.1-15

Image Quality

plan SAPO

plan SAPO

plan SAPO

plan SAPO

Working Wavelength(nm)

435-650

920+/-10

1064+/-10

1300+/-10n

Immersion Medium

salt water

salt water

salt water

salt water

Cover Glass (mm)

0/0.1/0.17

0/0.1/0.17

0/0.1/0.17

0/0.1/0.17

Curvature of Field

< 1 DOF

< 1 DOF

< 1 DOF

< 1 DOF

Transmission Rate

> 82%

> 85%

> 88%

> 85%

Weight (g)

0.2-0.5

0.2-0.5

0.2-0.5

0.2-0.5

Diameter (mm)

2.1-3.3

2.1-3.3

2.1-3.3

2.1-3.3

Length (mm)

10-15

10-15

10-15

10-15

7X 0.7 Objective Lense vs Grin Lens

Features

Traditional lens

Grin lens

Chromatic Aberration

Small (< 1 DOF)

Large (> 5 DOF)

Special Aberration

Small

Large

Astigmatism

Small

Large

Field Curvature

Small (< 1 DOF)

Large (> 5 DOF)

Distortion

Small

Large

FOV

Large (> 150um)

Small (< 100um)

Working Distance

Large (> 240um)

Small (< 200um)

Resolution

High (530-1064nm)

High (550-850nm)

Working Band

Wide

Narrow

Auto Fluorescence 

Low

Nigh

Dimension

Big (8×2.1)

Small (6×1.4)

Weight

Big (0.2g)

Small (0.05g)

Applications

  • In Vivo Microscopic Observation: Small size and lightweight for observing freely moving animals.
  • Wide Wavelength Range: Suitable for White Light, Fluorescence, and Multiphoton Microscopy.
  • Specialized Imaging: Small F-Theta lenses available for 2/3 Photon Imaging applications.
  • Versatile Working Environment: Water-immersed applications for in vivo use.

Optical Excellence

Avantier is a premier manufacturer of high-performance objective lenses, catering to diverse applications in research, industry, forensics, and medical diagnostics. Our range includes apochromat objectives, achromatic objectives, and semi-apochromat objectives. We take pride in offering stock objectives and crafting custom solutions designed to excel in your specific spectral range.

Experience the convenience of miniaturization without compromising on precision. Avantier’s Small Objective Lens – Redefining Possibilities in Microscopy.

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