Wstęp
This manual provides detailed instructions for the proper use and care of your Sigma 28-80mm F3.5-5.6 Aspherical Macro Lens. Designed for Nikon DSLR and SLR cameras, this versatile lens offers a mid-range zoom and macro capabilities. Please read this manual thoroughly before using the lens to ensure optimal performance and longevity.
Środki ostrożności
- Do not expose the lens to direct sunlight for extended periods, as this may cause internal damage or fire.
- Unikaj upuszczania obiektywu i narażania go na silne uderzenia.
- Keep the lens away from water and moisture. If it gets wet, wipe it immediately with a dry, soft cloth.
- Do not attempt to disassemble or modify the lens. Repairs should only be performed by authorized service personnel.
- Store the lens in a cool, dry place, away from extreme temperatures and humidity.
Identyfikacja części
Familiarize yourself with the various components of your Sigma 28-80mm lens.

Rycina 1: Przód View soczewki. This image displays the front of the Sigma 28-80mm lens, highlighting the front optical element, the 55mm filter thread diameter, and the engraved lens specifications such as "SIGMA ZOOM", "28-80mm", "1:3.5-5.6", and "MACRO".
- Front Lens Element: The outermost glass element of the lens.
- Filtruj wątek: Located around the front element, used for attaching filters (e.g., UV, polarizing) or the lens hood. (Diameter: Ø55mm)
- Pierścień zoomu: Służy do regulacji ogniskowej (28 mm do 80 mm).
- Pierścień ostrości: Służy do ręcznego ustawiania ostrości.
- Macro Switch: Engages the macro function for close-up photography.
- Mocowanie obiektywu: The rear part of the lens that attaches to the camera body.
- Styki elektryczne: Pins on the lens mount that communicate with the camera body for autofocus and aperture control.

Figure 2: Zoom and Macro Controls. Na tym obrazie przedstawiono szczegółowo view of the lens barrel, showing the 28-80mm focal length markings, the focus distance scale in meters and feet, and the switch to toggle between "NORMAL" and "MACRO" modes. The aperture markings (f/22, f/8) are also visible.

Figure 3: Lens Mount. This image shows the rear of the lens, featuring the Nikon F-mount bayonet and the gold-plated electrical contacts that facilitate communication between the lens and the camera body for functions like autofocus and aperture control.
Organizować coś
Mocowanie obiektywu
- Zdejmij tylną pokrywkę obiektywu i pokrywkę korpusu aparatu.
- Dopasuj oznaczenie mocowania na obiektywie do odpowiadającego mu oznaczenia na korpusie aparatu.
- Insert the lens into the camera mount and turn it clockwise (for Nikon F-mount) until it clicks into place. Do not force the lens.
Wyjmowanie soczewki
- Wyłącz aparat.
- While pressing the lens release button on the camera body, turn the lens counter-clockwise until it detaches.
- Immediately attach the rear lens cap to the lens and the body cap to the camera to protect them from dust.
Attaching the Lens Hood (if applicable)
Align the lens hood with the front of the lens and twist it until it locks securely. The lens hood helps to prevent flare and protects the front element.
Obsługa obiektywu
Skupienie
- Autofokus (AF): Set your camera's focus mode to AF. The lens will automatically focus when the shutter button is half-pressed.
- Manualne ustawianie ostrości (MF): Set your camera's focus mode to MF. Rotate the focus ring on the lens until your subject appears sharp in the viewfinder or on the LCD screen.
Powiększanie
Rotate the zoom ring to adjust the focal length between 28mm (wide-angle) and 80mm (telephoto). The current focal length is indicated by the markings on the lens barrel.
Korzystanie z funkcji makro
To engage the macro function, slide the "NORMAL/MACRO" switch to the "MACRO" position. This allows for closer focusing distances and higher magnification, ideal for close-up photography. The macro feature is especially useful and easy to use, offering various magnifications simply by zooming in or out.
Notatka: The macro function typically works best at specific focal lengths (e.g., 80mm) and may require manual focusing for precise results.
Kontrola przysłony
This lens has a variable maximum aperture of F3.5 at 28mm and F5.6 at 80mm. The camera body controls the aperture setting. Refer to your camera's manual for details on adjusting aperture.
Konserwacja i przechowywanie
Czyszczenie soczewki
- Za pomocą gruszki usuń kurz z powierzchni soczewek.
- For smudges or fingerprints, use a clean, soft microfiber lens cloth and a small amount of lens cleaning fluid. Apply the fluid to the cloth, not directly to the lens.
- Never use abrasive materials or strong chemical cleaners.
Składowanie
- Zawsze zakładaj przednią i tylną osłonę obiektywu, gdy obiektyw nie jest używany.
- Store the lens in a dry, well-ventilated area, preferably in a lens case or bag to protect it from dust and physical damage.
- Aby zapobiec rozwojowi pleśni, należy unikać przechowywania soczewek w miejscach o dużej wilgotności.
Rozwiązywanie problemów
| Problem | Możliwa przyczyna | Rozwiązanie |
|---|---|---|
| Obiektyw nie jest przymocowany do aparatu | Incorrect alignment; obstruction on mount. | Ensure index marks are aligned. Check for debris on lens or camera mount. |
| Autofokus nie działa | Camera set to Manual Focus (MF); dirty electrical contacts; insufficient light; lens not fully attached. | Set camera to AF. Clean lens and camera contacts. Ensure adequate lighting. Re-attach lens securely. |
| Obrazy są rozmazane | Incorrect focus; camera shake; dirty lens element. | Check focus settings. Use a faster shutter speed or tripod. Clean the lens. |
| Macro function not engaging | Switch not fully in MACRO position; incorrect focal length. | Ensure the MACRO switch is fully engaged. Try zooming to 80mm for optimal macro performance. |
Specyfikacje
| Nazwa modelu | FBA_644944 |
| Marka | Sigma |
| Długość ogniskowej | 28-80 mm |
| Maksymalna apertura | F3.5 (przy 28 mm) - F5.6 (przy 80 mm) |
| Typ soczewki | Aspherical Macro Zoom Lens |
| Kompatybilne mocowania | Nikon F |
| Typ fokusu | Autofokus |
| Średnica filtra | 55mm (Ø55) |
| Liczba ostrzy membrany | 7 |
| UPC | 085126657352 |
Gwarancja i wsparcie
For information regarding warranty coverage, service, or technical support, please refer to the warranty card included with your product or visit the official Sigma webZachowaj paragon jako dowód zakupu na wypadek reklamacji.
Notatka: Warranty terms and conditions may vary by region and retailer.







