FOCUS Inc.
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        SAINT-PETERSBURG          PETROPAVLOVSK-KAMCHATSKIY             SAO PAULO            


                             

 

PRODUCTION

optical components
objectives
fine mechanical parts and assemblies
optical coatings and interference filters



Microscope objectives

Although FOCUS Inc. can supply products in large quantities, we are not typically a "bulk" manufacturer. Our specialty is the computation, design and production of microscope objectives on the basis of customer-defined specifications. FOCUS specialists are highly qualified in the computation, design and manufacture of microscope objectives of high magnification, high numerical aperture, extremely flat field of view and short or long working-distance. Here are three examples of top-quality objectives we designed and produced:

1. 40x objective with a working-distance of 1.7 mm corrected for two spectral ranges: 530-560 nm and 1300 - 1500 nm. This planapochromat was initially developed especially for biological fluorescence microscopy.

2. 100x objective with a contact working distance corrected for the entire visual spectrum.The frontal lens of this epiplanapochromat is made of gallium - gadolinium garnet and coated with ferromagnetic film. This objective was produced for quality-control of the magnetic layer of computer hard disks. Numerical aperture is 1.7


3. 40x water immertion objective with long working-distance for confocal microscopy. The objective is used for investigation of the cornea and endothelium of the eye.

We can also supply regular objectives in a very wide range of designs, click on the list below:


SPECIFICATIONS

 

FOCUS Inc.
1B, 5-th Upper street, Saint-Petersbourgh, 194292, Russia
Phone:     +7-812-7154960       Fax:     +7-812-9328906
E-mail:     
focus@focusinc.ru

 

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