Circus LED heavy duty bench magnifier
Large diameter round lens bench magnifier

Circus LED

Circus LED is specially designed to withstand the rigours of everyday use in industrial and manufacturing applications where foreign object debris (FOD) is a concern.

  • 3.5 and 5 dioptre (1.88x and 2.25x magnification)
  • Superior round crown glass 6.5" diameter lens
  • Ideal for clean environments
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Circus LED is specially designed to withstand the rigours of everyday use in industrial and manufacturing applications where foreign object debris (FOD) is a concern.

The fully enclosed neck and internal spring-balanced arm make the Circus LED ideal for environments where cleanliness and sanitation are sought.

No knobs to tighten, nothing to adjust. Circus LED has a highly flexible, self-balancing lamp head allowing it to be positioned vertically, horizontally and laterally.

Circus LED bench magnifiers incorporate the same design excellence adopted throughout Vision Engineering’s award-winning stereo microscopes, providing maximum clarity, flexibility and stability.

Highlights

  • 3.5 or 5 dioptre (1.9x and 2.3x magnification) options
  • Choice of secondary lenses to increase magnification to a total of 15 dioptre
  • Large 165mm (6.5") diameter round lens
  • High performance glass lens for maximum clarity, precision and comfort.
  • LED and fluorescent illumination versions available

  • High quality self-balancing, flexible arm with edge clamp or weighted based
  • Dimmable illumination from efficient ring of LEDs
  • Automatic shut-off feature for energy efficiency
  • Range of available accessories and mounting options

Shadow-free magnification

Circus LED offers shadow-free magnification with light coming from both sides.

Flexible working positions

Our magnifiers are specially designed to maximize horizontal and vertical movement. They provide significant horizontal reach, and will always stay in the right position without drifting.

The arms are balanced by spring systems which ensure smooth and easy positioning – no knobs to tighten, nothing to adjust.

Flexible self-balancing magnifier arm

The flexibility of the self-balancing arm and friction-free joint between the head and arm makes exact positioning easy. The fully-enclosed neck design is ideal for mechanical, electronics, circuit boards, dental and jewellery and other precision applications.

Importance of light quality

Good lighting reduces the risk of health problems, increases safety, and enhances productivity.

Hence great importance is place on the light quality of our illuminated magnifiers, having powerful luminators with excellent light output. The quality and exact positioning of the light sources in relation to the lens allows for virtually shadow-free magnification and excellent colour rendering capabilities.

Glass lens for superb clarity and comfort

The quality of Circus LED starts with the high performance optical glass lens means superb clarity. The crown glass lens has a lower refractive index than plastic lens bench magnifiers, which reduces the loss of light in transmission through the lens and therefore less distortion of the image.

Less distortion makes for more comfortable viewing over longer periods of time. 

Our bench magnifiers have a number of accessories to provide the ultimate flexibility and comfort.

STAYS Lenses

Self-Traction Accessory Yield System for use with KFM LED, WAVE LED, LFM LED, IFM, and Circus LED Magnifiers. 2” lens diameter (2.5” diameter including the silicon gasket frame).

Self-Traction Accessory Yield System for bench magnifiers

50404 4 dioptre STAYS Lens
50406 6 dioptre STAYS Lens
50410 10 dioptre STAYS Lens

 

Floor Stand Trolley

863mm (34") Painted steel pole and cast iron base includes both casters and glides.

Rolling floor stand (trolley and extra weight)

50036BK Rolling Floor Stand, black
50036LG Rolling Floor Stand, light grey
50036WT Rolling Floor Stand, white
SPA025674 Extra weight for Rolling Floor Stand, white (required for Circus magnifiers)

 

A-Edge Mount Bracket

For mounting products to horizontal surfaces. Maximum 57mm (2.25”) opening.

A-Clamp bracket

60001BK A Edge Mount Bracket, black
60001LG A Edge Mount Bracket, light gray

 

C-Surface Mount Bracket

For permanent mounting to tables or other horizontal surfaces.

C-Mount bracket for bench magnifier

50005BK C Surface Mount Bracket, black
50005LG C Surface Mount Bracket, light grey

 

AH Mount Bracket

AH mount bracket

To discuss your particular requirements in further detail, please contact your local Vision Engineering representative.

Specifications

Specifications
 Lens  3.5 Dioptre or 5 Dioptre, Large diameter crown glass lens
 Secondary  lenses 4, 6 or 10 dioptres STAYS secondary suction lenses can be attached to the crown glass lens.
 Illumination
  • LED modules Dimmable 10-100%.
  • 10W total energy consumption
  • 3830 lux at 297mm (11") focal length
  • Correlated colour temperature (CCT) is 4000°K
 Arm  technology 

Self-balancing arm with friction-free joint between the head and arm. Heavy duty internal spring,1000mm (40") parallel, three pivot arm with19.05mm (0.75") steel tubing.

 Mounting Edge clamp or other table clamps, integrated table mounts and trolley available.
 Timer Circus LED is equipped with dimming 10-100%.
Auto shut-off function after 4 or 9 hours.
 Power  consumption  10 Watts 
 Power supply 9v DC external plug transformer, supplied with either 2-pin or 3-pin plug configurations.
Operating voltage 110V / 220 V 50 Hz.
 Accessories Dust cover included. Refer to accessories tab for other options.

 

Magnification Table

 

This table provides a complete overview of the total magnification options available by adding secondary lenses to the illuminated magnifiers.

Primary
lens diopter

Secondary
lens diopter
Total magnification Total
diopter
Focal length
Wave® LED, Circus LED (incl. ESD-Safe and UV models)
3.5   1.88X 3.5 285mm (11")
3.5 4.0 2.88X 7.5 130mm (5")
3.5 6.0 3.38X 9.5 105mm (4")
3.5 10.0 4.38X 13.5 75mm (3")
5.0   2.25X 5 200mm (8")
5.0 4.0 3.25X 9 110mm (4.3")
5.0 6.0 3.75X 11 90mm (3.5")
5.0 10.0 4.75X 15 50mm (2")
KFM™ LED, LFM LED, KFM, IFM (incl. ESD-Safe models)
3.0   1.75X 3 330mm (13")
3.0 4.0 2.75X 7 140mm (5.5")
3.0 6.0 3.25X 9 110mm (4.3")
3.0 10.0 4.25X 13 70mm (2.8")
5.0   2.25X 5 200mm (8")
5.0 4.0 3.25X 9 110mm (4.2")
5.0 6.0 3.75X 11 90mm (3.5")
5.0 10.0 4.75X 15 50mm (2")

 

Can I have a higher dioptre lens?

There are two options available 3.5 and 5 dioptre models, please specify which dioptre lens you wish when ordering. The lenses are fixed and not inter-changeable.

To increase magnification further there are a number of secondary lenses availble (refer to magnification table in Technical section).

Generally 3 and 3.5 dioptres provides the best balance between magnification and working distance for more industrial uses. 

What is the benefit of a glass lens over a plastic lens?

There are number of reasons that mineral glass lenses provide exceptional clarity and robustness over that of plastic lenses.

High quality glass mineral lens offers less distortion than plastic as it has a better surface form and refraction index, so allowing more light through providing better optical clarity of the image. 

Plastic can be easily scratched and is less durable than glass and can be accidentally melted through contact with a hot source such as solder or splatter as well as being is less resistant to chemical and solvents.

Glass lenses bench magnifiers are usually higher quality than plastic lens versions and are more suited to industrial, scientific and manufacturing applications.

Can I easily adjust the illumination?

Yes. There is 10% - 100% dimmable illumination control.

What is a dioptre?

A dioptre (UK), or diopter (US) is a unit of measurement of the optical power of a lens or curved mirror.

As the dioptre increases, the lens becomes thicker, making the object look bigger. The higher the dioptre, the more magnification the lens provides. A flat window has an optical power of zero dioptres, and does not converge or diverge light.

It is also important to note that the power of the lens is inversely related to the focal distance (working distance). Meaning, as the power of the lens increases, so the focal distance decreases, making it more difficult to perform tasks with high magnification lenses.

See Mantis Compact low magnification stereo microscope if higher magnification is required.

Magnification is calculated by simply dividing the dioptre by 4, then adding 1.

e.g. 3 dioptre lens = 3/4 + 1 = 1.75x

Therefore, objects viewed through a 3 dioptre lens will appear 175% bigger than normal.

Have a question about our products? Call us on +44 (0)1483 248300

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