Sigma 24-70mm f/2.8 IF EX DG HSM AF Standard Zoom Lens User Manual

1. Продукт бүтүп калдыview

This large aperture standard zoom lens covers focal lengths from 24mm to 70mm and is housed in a compact construction. It is designed for general photography including snapshots, portraiture, and landscapes. The Super Multi Layer Coating reduces flare and ghosting, while ELD (Extraordinary Low Dispersion) glass, two SLD (Special Low Dispersion) glass elements, and three aspherical lenses provide excellent correction of all types of aberrations, ensuring superior optical performance throughout the entire zoom range.

The lens incorporates HSM (Hyper Sonic Motor) for quiet and high-speed autofocus, along with full-time manual focusing capability. It features a minimum focusing distance of 38cm (15 inches) and a maximum magnification ratio of 1:5.3. The rounded 9-blade diaphragm creates an attractive background blur (bokeh).

2. Негизги өзгөчөлүктөрү

• Large Aperture Standard Zoom Lens: Constant f/2.8 aperture across the entire zoom range (24-70mm) for versatile use in various lighting conditions.
• Гипер үндүү мотор (HSM): Ensures quiet, high-speed autofocus and allows for full-time manual focus override.
• Өркүндөтүлгөн оптикалык дизайн: Features ELD (Extraordinary Low Dispersion) glass, two SLD (Special Low Dispersion) glass elements, and three aspherical lenses for excellent correction of aberrations, sharpness, contrast, and color fidelity.
• Компакт жана жеңил: Approximately 30% smaller and lighter than comparable lenses from major camera manufacturers, making it easy to handle and carry.
• Close Focusing Capability: Minimum focusing distance of 38cm (15 inches) with a maximum magnification ratio of 1:5.3.
• Rounded 9-Blade Diaphragm: Сураныч чыгаратasing out-of-focus effect (bokeh) in backgrounds.
• Super Multi-Layer Coating: Suppresses flare and ghosting, ensuring high-contrast images, especially important for digital cameras.
• Inner Focusing System: Maintains constant lens length during focusing, improving balance and allowing convenient use of polarizing filters.

Сүрөт 1: Алдыңкы view of the Sigma 24-70mm f/2.8 IF EX DG HSM AF Standard Zoom Lens.

3. Орнотуу

3.1 Объективди бекитүү

1. Ensure both the camera body and the lens are clean and free of dust.
2. Линзадагы орнотуу индексинин белгисин камеранын корпусундагы тиешелүү белги менен тегиздеңиз.
3. Линзаны саат жебеси боюнча (Canon EF орнотуу үчүн) ордуна чыкылдаганча айландырыңыз. Линзаны күч менен баспаңыз.
4. Алдыңкы линзанын капкагын алып салыңыз.

3.2 Линза капкагын бекитүү

The included petal-type lens hood helps to block extraneous light and reduce internal reflections, improving image quality.

1. Линзанын капкагын линзанын алдыңкы тарабына тууралаңыз.
2. Twist the hood gently until it locks securely into position.

4. Иштөө нускамалары

4.1 Автофокустун (AF) иштеши

This lens is equipped with a Hyper Sonic Motor (HSM) for fast and quiet autofocus. To use autofocus:

• Set the AF/MF switch on the lens barrel to "AF".
• Ensure your camera's focus mode is set to autofocus.
• Press the shutter button halfway to activate autofocus.

4.2 Кол менен фокустоо (КФ) менен иштөө

The lens allows for full-time manual focus override even when in AF mode. To use manual focus:

• Set the AF/MF switch on the lens barrel to "MF" for dedicated manual focus, or leave it in "AF" for full-time manual override.
• Rotate the focus ring on the lens barrel to adjust focus.

4.3 Чоңойтуу

To change the focal length, rotate the zoom ring on the lens barrel to your desired setting (24mm to 70mm).

4.4 Диафрагманы башкаруу

The f/2.8 constant aperture provides excellent low-light performance and depth of field control. Aperture is controlled via your camera body settings.

5. Техникалык тейлөө

5.1 Линзаны тазалоо

• Линзанын бетинен чаңды кетирүү үчүн жумшак, мамыксыз чүпүрөктү же линза щеткасын колдонуңуз.
• For smudges or fingerprints, use a specialized lens cleaning solution and a microfiber cloth. Apply the solution to the cloth, not directly to the lens.
• Айнек элементтерине манжаларыңыз менен тийүүдөн алыс болуңуз.

5.2 Сактоо

• Колдонулбаган учурда ар дайым алдыңкы жана арткы линза капкактарын бекитиңиз.
• Линзаны салкын, кургак жерде, түз күндүн нурунан жана экстремалдык температурадан алыс сактаңыз.
• Эгерде көпкө сактасаңыз, көктүн өсүшүнө жол бербөө үчүн кургаткычты колдонууну карап көрүңүз.

6. Кыйынчылыктарды

6.1 Автофокус маселелери

• Объектив фокусталбай жатат: Ensure the AF/MF switch on the lens is set to "AF". Check camera settings to confirm autofocus is enabled.
• Slow or inconsistent autofocus: This can occur in very low light conditions. Try using manual focus or a brighter light source. Ensure the lens and camera contacts are clean.
• Back-focus or Front-focus: If images are consistently out of focus, slightly in front or behind the intended subject, your camera may require AF micro-adjustment. Refer to your camera's manual for this feature.

6.2 Сүрөттүн сапаты

• Жумшак сүрөттөр: Ensure proper focus. Check if the lens elements are clean. Verify that the shutter speed is fast enough to prevent camera shake, especially in low light.
• Flare or ghosting: Use the included petal-type lens hood to minimize stray light. Avoid shooting directly into bright light sources.

7. Техникалык шарттар

8. Кепилдик жана колдоо

8.1 Кепилдик маалыматы

This professional-grade Sigma EX lens is covered by a 4-year Sigma USA warranty. Please retain your proof of purchase for warranty claims.

8.2 Кутуда эмне бар

• Sigma 24-70mm f/2.8 IF EX DG HSM AF Standard Zoom Lens
• Lens Hood (Petal-type)
• Алдыңкы линзанын капкагы
• Арткы линзанын капкагы
• баштык

8.3 Кардарларды колдоо

For further assistance, technical support, or service, please contact Sigma Corporation of America directly. Refer to their official webакыркы байланыш маалыматы үчүн сайт.