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Sigma 105mm f/2.8 EX DG

High performance medium telephoto macro lens optimized for digital cameras

MACRO 105mm F2.8 EX DG allows greater working distance between the lens and subject. High contrast and excellent image quality are made possible in all shooting ranges. This macro lens is ideal for digital SLR cameras as well as film SLR cameras.

Reduces flare and ghost
This new medium telephoto macro lens employs a new design concept for digital SLR cameras. Its new lens power layout produces an excellent optical performance and also reduces flare and ghost. This new lens is designed to reduce the influence of harmful light caused by reflections from the digital image sensor.

An easy to use 105mm medium telephoto lens
MACRO 105mm F2.8 EX DG lens is very suitable for taking pictures in nature and it enables to use of natural light conditions or flash.
The greater working distance of this lens is very advantageous when taking the picture of a flower among the branches or an insect. You do not shake your subject when you want to take its precise details without blurring by using a tripod.
The narrow angle of view is a great aid for simplifying backgrounds and shallow depth of field makes it easier to handle the composition. This lens would have an equivalent field of view of a 178mm telephoto macro lens on a digital SLR camera (when used with the SD10).

Minimum aperture of F45
Depth of field of medium telephoto macro lenses is generally very shallow; however, Sigma, Canon and Konica Minolta mounts of this lens have a minimum aperture of F45 (or F32 for Nikon and Pentax mounts) for incredible depth of field.

Screw-in lens hood
A screw-in hood is included, for convenient use of circular polarizing filters. It is possible to attach an 77mm filter in front of the lens hood.

Dual Focus (DF) system
This lens also incorporates a Dual Focus (DF) system that is designed to make the lens easy to hold during auto focusing. The large focus ring offers smooth and positive action whilst focusing manually.

Lens Construction		11 Elements in 10 Groups
Angle of View		23.3 degrees
Number of Diaphragm Blades		8 Blades
Minimum Aperture		F45
Minimum Focusing Distance		31.3cm
Maximum Magnification		1:1
Filter Size		58mm
Dimensions		Diameter 74mm X Length 97.5mm
Weight		460g

	Dr. Andrew Stevens - British Journal of Photography - January 2005 'The lenses are stylishly presented in a black satin finish and incorporate a manual / auto focus, along with focus range limiting switches. ...Both lenses have a maximum aperture of f/2.8 and, in the case of Sigma, Canon and Konica Minolta mounts, there is an unusually small minimum aperture of f/45 (f/32 for Nikon and Pentax). Although diffraction reduces resolution at such settings - f/45 becomes an effective f/90 at 1x magnification, approaching pinhole dimensions - this can provide beautiful effects with some shots and Sigma is to be applauded for providing this option. Both lenses produced excellent results, with fine detail and smooth tone gradation over a range of magnifications.'

	Digital Camera - June 2006 ‘The manual focus setting is firm enough for confidence and provides accurate control in close-up and telephoto use.’ ‘The Sigma in particular produced razor-sharp images at close quarters, and held its performance admirably throughout all the imaging tests we subjected it to, with constantly good detail and strong contrast at the telephoto setting.’

	Ephotozine - May 2006 ‘A good lens made better. The improvement in contrast and extra control of flare and ghosting provided by the DG coating are, in themselves, worth the upgrade. Improvements have also been made to the hood along with a reduction, albeit slight, in the AF noise. Optical quality cannot really be faulted and with the edges performing as well as the centre on a cropped camera you can expect good edge performance on a full frame body too.’

	What Digital Camera - August 2006 ‘The lens has a dual focus function: the focus ring snaps backward and forward between manual and autofocus, making critical adjustments easy and quickly. If you use AF, the lens has a limiting switch so focus stays within a narrow range. Where the Sigma 105mm optic performs well is in its control of chromatic aberration, which remained insignificant throughout the aperture test both in the centre of the frame and at the corners.’

	Which Digital Camera - September 2006 ‘The manual focus ring is disengaged by a very positive pull/click backwards, allowing the AF to operate without turning the manual ring.’ ‘A superb lens that’s excellent value for what you get. This lens will deliver to even the most critical users.’

	Photography Monthly - September 2006 ‘Optically there’s nothing to moan about - this is one fine lens.’ ‘It’s a real cracker and its showing even at f/45 is impressive. Top value, too, and with the advantages that it’s available in most fittings.’

	Practical Photography - March 2007 ‘The Sigma 105mm has proved to be a popular lens, its combination of ideal focal length and fair price winning many photographers over. Of course, it’s 105mm effectively becomes a 157.5mm when coupled with most D-SLRs and this can be helpful when photographing insects that are spooked if you get too close.’

	Digital SLR User - July 2007 ‘In terms of images produced there is very little to distinguish the Sigma from the equivalent branded lenses. Lens flare is low and there is good contrast across a range of shooting conditions.’ ‘An interesting feature of the lens (appearing in all mounts apart from Nikon and Pentax) is a minimum aperture of f/45, which of course produces a decent depth of field even when working close-up.’

	Amateur Photographer - 25th August 2007 ‘The Sigma 105mm f/2.8 performed excellently. In the important parameter of drawing accuracy, which is essential for a true close-up lens, it was particularly precise. At 1:1 it just had the edge of the regal Nikkor.’ It is a very modern lens with a crisp definition and contrast on the high side that contemporary trends favour.'

Daily hire

£15 (£17 inc VAT)

Weekend hire

£22 (£26 inc VAT)

Weekly hire

£44 (£51 inc VAT)

Fortnightly

£58 (£68 inc VAT)

3 Weekly

£73 (£85 inc VAT)

Deposit

£50

Delivery and all-day collection will be by courier at a cost of £25 (9.30am and 11am timed deliveries are available for an extra charge). Please note that there is a minimum hire charge of £30 (inc VAT).

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