A Lente Zoom 18-125mm f/3.8-5.6 DC OS HSM da Sigma é uma lente com alta taxa de zoom e vidro SLD (Special Low Dispersion), uma lente aesférica de vidro moldado e 2 lentes aesféricas híbridas, que oferecem correção para aberrações. Ela foi exclusivamente projetada para câmeras digitais SLR e incorpora o OS (Optical Stabilizer) da Sigma para compensar a oscilação da câmera. O OS permite o uso de velocidades de obturador de aproximadamente 4 pontos mais lentas que lentes sem OS. O revestimento SML (Super Multi Camada) reduz os fantasmas e reflexos. Essa lente possui uma distância mínima de focagem de 13,8" em todas as distâncias focais e uma ampliação máxima de 1:3.8, o que a torna ideal para fotografia close-up. Essa lente incorpora HSM (Hyper Sonic Motor), que garante um autofoco silencioso e de alta velocidade. É a lente ideal para vários tipos de fotografia, como grande angular, telefoto e close-up.
| Performance | |
|---|---|
| Focal Length | 18 - 125 mm |
| Aperture |
Maximum: f/3.8 - 5.6 Minimum: f/22 |
| Camera Mount Type | Sony Alpha, Minolta AF |
| Format Compatibility | DSLR (APS-C Sensor) |
| Angle of View | 69.3° - 11.4° |
| Minimum Focus Distance | 1.15' (35 cm) |
| Magnification | 0.26x |
| Maximum Reproduction Ratio | 1:3.8 |
| Groups/Elements | 12/16 |
| Diaphragm Blades | 7 |
| Features | |
|---|---|
| Image Stabilization | No |
| Autofocus | Yes |
| Tripod Collar | No |
| Physical | |
|---|---|
| Filter Thread | 67 mm |
| Dimensions (DxL) | Approx. 2.9 x 3.5" (7.37 x 8.89 cm) |
| Weight | 1.11 lb (505 g) |
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Comments about Sigma 18-125mm f/3.8-5.6 DC OS HSM Zoom Lens:
I was looking for an improved general purpose lens over my Sony "kit" 18-200mm lens which seems to be getting loose with age. I was willing to sacrifice some on the long side for improved performance. I have other fixed telephoto lenses that are faster.
I have used this lens on a few outings and so far am very pleased with its performance. Focusing is very smooth and quiet. The lens seems solid and well built. It can focus close. It works with both of my Sony DSLR cameras (A580 and A700). I currently have no issues with the lens. It is all I expected. I need more time with the lens for a final judgement but the dreary gray fall in Minnesota is limiting my photo opportunities.
I probably would have paid more for an equivalent lens that was faster. I didn't find any options from any manufacturer that maintained the same zoom range.
Pros
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Best Uses
Comments about Sigma 18-125mm f/3.8-5.6 DC OS HSM Zoom Lens:
I bet this lens work ok on every other sony camera. it didnt on mine. i have a sony slt-a55 n the lens did not at all work.
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