Quick Summary
The Sigma 17 70mm f2.8 4.5 DC Macro Lens For Pentax Digital SLR Cameras is a standard zoom lens for digital SLR cameras with APS C size sensors. It offers a large aperture zoom range, a macro facility, and a minimum focusing distance of 20cm at all focal lengths.
Who It Is Best For
This lens will suit Pentax digital SLR owners looking for a versatile everyday zoom with close focusing ability. It is a practical choice if you want one lens for general photography and occasional macro style shots without changing lenses as often.
What To Know Before You Buy
The lens is designed for digital SLR cameras with APS C size sensors, so it is important to check compatibility with your camera before ordering. It also includes a zoom lock to help prevent creep during transportation and a non rotating front element.
Pros: A useful zoom range with close focusing, plus optical features described to help control colour aberration and support digital image quality.
Cons: It is designed for APS C sensor digital SLR cameras, so buyers should check that it matches their camera before choosing it.
Common Buyer Questions
Is this lens suitable for Pentax digital SLR cameras?
Yes, it is listed for Pentax digital SLR cameras.
Can it focus close for detail shots?
Yes, it has a minimum focusing distance of 20cm at all focal lengths.
Does it have a macro function?
Yes, it includes a macro facility with a maximum reproduction ratio of 1:2.3.
Will the front element rotate?
No, it is described as having a non rotating front element.
Should I check camera compatibility first?
Yes, because it is designed for digital SLR cameras with APS C size sensors.
Key Details
| Detail | What it means in use |
|---|---|
| Brand | Sigma |
| Model | 17 70mm f2.8 4.5 DC Macro Lens |
| Camera fit | For Pentax digital SLR cameras |
| Sensor type | Designed for digital SLR cameras with APS C size sensors |
| Focal range | 17 70mm zoom range for everyday shooting |
| Aperture | f2.8 4.5 large aperture zoom lens |
| Close focus | Minimum focusing distance of 20cm at all focal lengths |
| Macro facility | Maximum reproduction ratio of 1:2.3 |
| Transport feature | Zoom lock to help prevent creep during transportation |
| Front element | Non rotating front element |
| Optical design | One special low dispersion element and two aspherical lens elements |
| Coating | Super multi layer coating |
Final Buying View
The Sigma 17 70mm f2.8 4.5 DC Macro Lens For Pentax Digital SLR Cameras is a versatile standard zoom with close focusing and macro capability, made for APS C sensor digital SLR use. If you want a practical lens for everyday shooting with added near subject flexibility, it is worth a closer look.
