SHOPPING > Cameras > Camera Lenses > SIGMA Camera Lenses > Sigma EX macro lens - 180 mm F/3.5

Sigma EX macro lens - 180 mm F/3.5

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Sigma EX macro lens - 180 mm F/3.5

Taking picture of small animals and insects can be difficult, because they often run or fly away, or can be dangerous or become aggressive if you approach them. Therefore it is... more...advantageous to have a greater working distance between the camera and such subjects. Longer focal length lens can provide this greater distance, but most long lens do not focus close enough to provide a large image of small subjects. The tele-macro type lens solves this problem by producing a large, high quality image, up to life-size, while maintaining a long working distance. This can enable you to capture on film the world of photomicrography, without disturbing the subjects. The 180mm F3.5 APO MACRO lens has a very narrow field of view, and can allow very narrow depth-of-field for selective focus and less distracting backgrounds. This lens is most desirable for photographers who are serious about producing high quality images both of macro subjects at life-size reproduction, as well as normal telephotography. The Floating Inner Focus System of the APO MACRO 180mm F3.5 EX HSM provides high quality optical performance and superior handling and stability. This system moves two lens groups within the lens, so the lens' physical length remains unchanged. This technique also maintains good correction for Spherical Aberration and Astigmatism, and provides extremely high optical performance from infinity to 1: 1 Macro. Macro photography requires precise focus adjustment. The HSM (Hyper Sonic Motor) feature is ideal for this purpose as it allows quick and precise manual focus, even in auto focus mode. Simply focus with HSM auto focus, then while partially depressing the shutter release, turn the manual focus ring until any desired focus adjustment is made. Then depress the shutter release fully to take the picture. It is not necessary to switch from AF to MF. When the shutter release is next depressed, the AF function will resume. Of course the AF function can be disabled altogether, and only MF used, if desired. Macro photography can be further enhanced by the 1.4x APO EX tele-converter, which allows the photographer to use the new SIGMA APO 180mm F3.5 MACRO lens as a 252mm F5 lens while maintaining auto focus function from infinity to 1.2m(47.2 in.) with Canon, Nikon and Sigma cameras. At distances closer than 1.2m (47.2 in.) the lens automatically switches to MF mode. When this lens and the 1.4x EX tele-converter are used with Minolta or Pentax cameras the lens must be focused manually. When used with the 2x EX tele-converter, the 180mm F3.5 lens becomes a 360mm F7 lens with manual focus function only, regardless of camera mount. Image quality depends in part on color Aberration, which occurs due to differences in the wavelength (color) of light, causing the different colors to focus at different planes. SLD glass in the front optical group helps compensate for this phenomenon, and enables the lens to deliver images of high optical quality, having outstanding crispness and sharpness. Inner focusing improves handling and focus operation from infinity to close-up, by keeping the lens' length constant. It also allows easy handling and use of circular polarizing filters, as the front barrel does not rotate during focusing. The large grippable manual focus control ring is ideal for manual focus photography. This lens also features a Focus Limiter Switch, to provide quicker AF function.

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1 review sort by Usefulness | Product rating | Date

 

A beautifully crafted lens

Advantages: Good quality and clear defintion
Disadvantages: Quite bulky and heavy

This lens is a beautiful crafted piece of equipment, it enable for high quality, high definition photographs to be taken. You maybe think that the size is quite extreme however although being quite heavy and large in size, the photographs i have taken with this lens are something quite special! With the added size also comes an added bonus because when taking macro shots of flowers or insects you do not need to get as close with this lense. For instance ...

oliverporter3 11.06.2007 · Read full review
Ciao members have rated this review on average: helpful
Review of Sigma EX macro lens - 180 mm F/3.5

1 review

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Sigma 180mm f3.5 EX DG HSM Macro For Nikon Digital&Flim SLR Cameras

Sigma 180mm f3.5 EX DG HSM Macro For Nikon Digital&Flim SLR Cameras

This telephoto macro lens provides life-size reproduction and it is optimized for digital ... more

cameras. The new multi-layer lens coating reduces
flare and ghost, which is a common problem with
digital cameras. Two SLD (special low dispersion)
glass elements...

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Sigma 180mm f3.5 EX DG HSM Macro For Canon Digital&Flim SLR Cameras

Sigma 180mm f3.5 EX DG HSM Macro For Canon Digital&Flim SLR Cameras

Sigma 180mm F3,5 EX DG APO MAKRO (Canon)

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Postage & Packaging: £4.87
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£ 599.99
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Sigma 180mm f3.5 EX DG HSM Macro For Nikon Digital&Flim SLR Cameras

Sigma 180mm f3.5 EX DG HSM Macro For Nikon Digital&Flim SLR Cameras

This telephoto macro lens provides life-size reproduction and it is optimized for digital ... more

cameras. The new multi-layer lens coating reduces
flare and ghost, which is a common problem with
digital cameras. Two SLD (special low dispersion)
glass elements...

amazon electronics

Postage & Packaging: free Super Saver Delivery
Availability: Temporarily out of stock. Order now and we'll deliver when available. We'll e-mail you with an estimated delivery date as soon...
£ 614.80
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Sigma 180mm f3.5 EX DG HSM Macro For Canon Digital&Flim SLR Cameras

Sigma 180mm f3.5 EX DG HSM Macro For Canon Digital&Flim SLR Cameras

Sigma 180mm F3,5 EX DG APO MAKRO (Canon)

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