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Microscopes from Brunel UK Ltd

A portable field microscope

Brunel SP29 Handheld Microscope

The McArthur handheld microscope is perhaps legendry in its application and construction. It has taken a long time for an equivalent instrument to become available at a reasonable price. The SP29 is this instrument. It is perhaps just a little larger than the McArthur with dimensions of 140 x 40 x 94mm, but this has the advantage of allowing a turret objective system rather than the slider version of the original . In all other respects this microscope as the same quality and portability of the McArthur instrument. The microscope is made of a strong metal alloy and the optical components are of equal quality. The SP29 comes with x4, x10 and x40 achromatic objectives as standard, with the option of a x20 objective as an accessory.

The unit has a triple position turret, with a good positive indexing system, and the objectives are parfocal and are matched with a good quality x10 widefield eyepiece. x15 and x20 eyepieces are available accessories. The eyetube locks down into the body when not in use to minimise size and locks out of the body for viewing to give a suitable working distance from the stage and other parts of the microscope such as the lighting system for comfort when in use. Like the McArthur, the inverted design is ideal for fluid examination such as pond and water life subjects and focus is achieved by movement of the stage relative to the objectives. There are two slide clips.

The SP29 is complete with a battery powered LED illumination system for use at night or in low light situations, although sufficient light is obtained by normal use in a well lit area. The LED light unit locates into the body just behind the stage and is clamped firmly in place and is powered by 2 AA batteries and has a slot for a filter if required.

The body work construction is particularly robust and finished in grey enamel. The unit weighs 650 grams complete with the light unit and the balance is particularly good in the hand.

Brunel Microscopes is delighted to introduce this field microscope as a quality McArthur type instrument. The SP29 works with the Unilink photography adapter for some compact cameras, and a DSLR adapter is planned. It is also hoped that phase contrast x10, x20 and x40 objectives will become available at some point in the future, as will a leather carrrying case. The Brunel SP29 comes highly recommended.

Brunel SP29  Price £365.00 + vat

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Light unit Microscope

Brunel SP29 Microscope

Unilink attached


Working Distance














Objective specification

Brunel Microscopes Ltd

Registered in U.K. (England) No: 2060047

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Brunel SP29 Microscope

x15 widefield eyepiece              SP29-01


Measuring eyepiece               SP29-05


x20 widefield eyepiece              SP29-02


Stage micrometer                  SP29-06


Aluminium attache case           SP29-03


Universal SLR camera adapter   SP29-04


Unilink camera adapter          SP29-08


SP29 Accessories

The existing range of accessories will be added to overtime so please enquire if you would like information about  accessories currently not shown.



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