Sigma 70-300mm F/4-5.6 APO DG Macro Lens

23 December, 2007 03:40:00 Shaun

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Sigma 70-300mm F/4-5.6 APO DG Macro Lens

Specifications

Focal length 70-300mm
Aperture f/4-5.6
Angle of view 34.3-8.2°
Filter size / type 58mm
Construction Elements/groups 14 elements in 10 groups
Focusing type Rotating & extending
Closest focus 1.5m (0.95m in Macro mode 1:2)
Weight 0.55kg
Dimensions (Dia x length) 76.6x122mm
Mounts available Sigma, Canon, Nikon, Minolta, Pentax
Tripod bush No
Price £199.99

Pros:

1:2

light weight

f4 from 70mm to 135mm

sharp at the short end

Allrounder

Full frame compatible

Cons:

Becomes less sharp after 200mm.

When the lens is pointing towards the ground gravity interferes with auto focus accuracy

Stiff zoom barrel

Auto Focus Hunting

Noise

200mm-300mm is soft unless u stop down to F8.

Front rotate

corner softness

No "D" mode

Conclusion

Good choice for low budget. Very usable and versatile lens. Sharpness is OK up to 200mm (or so), but above that, the quality and the sharpness are questionable, even stopped down. The macro funcion is useful. This lense is suitable for a "first" zoom lense

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Comments (1 posted):

Junya on 22 December, 2007 01:06:20

This is definitly a must have lens if you are just starting out in the DSLR world and are running a little tight on budget. This lens offers flexibility across the focal range and good quality images considering the price. The great thing about this lens is that for the price you even get the macro function which is not something to be sniffed at. It doesn't have a 1:1 macro ratio, but then again, it is a zoom lens. There are other better quality lenses out there but this one will always have a place in my camera bag and will always have a use at some time or other.

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