Sigma 10-20mm f/4-5.6 EX DC HSM Lens Instruction Manual

1. Pendahuluan

Terima kasih sudah membeliasing the Sigma 10-20mm f/4-5.6 EX DC HSM ultra-wide angle zoom lens. This lens is designed specifically for digital SLR cameras with APS-C size image sensors, offering an expansive field of view ideal for landscape, architectural, and interior photography. Its advanced optical design and Hyper-Sonic Motor (HSM) ensure high performance and user convenience.

Fitur utama meliputi:

• HSM (Hyper-Sonic Motor): Provides fast, quiet, and precise autofocus, with full-time manual focus override.
• Aspherical Lens Elements: Three aspherical lens elements effectively correct distortion and spherical aberrations.
• Kaca SLD (Special Low Dispersion): Three SLD glass elements minimize chromatic aberration for superior image quality.
• Internal Focusing System: Maintains the overall lens length during focusing and allows for the convenient use of polarizing filters.

2. Pengaturan

2.1 Memasang Lensa

1. Pastikan kamera dan lensa dimatikan.
2. Lepaskan tutup lensa belakang dari lensa dan tutup badan dari kamera.
3. Align the mounting index mark on the lens barrel with the corresponding mark on the camera body.
4. Masukkan lensa ke dudukan kamera dan putar searah jarum jam hingga terkunci pada tempatnya. Jangan memaksakan lensa.

2.2 Melepas Lensa

1. Pastikan kamera dalam keadaan mati.
2. Sambil menekan tombol pelepas lensa pada badan kamera, putar lensa berlawanan arah jarum jam hingga berhenti.
3. Lepaskan lensa dari badan kamera dengan hati-hati.
4. Pasangkan tutup lensa belakang ke lensa dan tutup badan ke kamera untuk melindungi sensor dan elemen lensa.

2.3 Memasang Tudung Lensa

The included petal-type lens hood helps to block extraneous light and reduce flare. Align the red dot on the lens hood with the red dot on the front of the lens, then turn the hood clockwise until it locks into place. To remove, reverse the process.

Gambar 1: The Sigma 10-20mm f/4-5.6 EX DC HSM lens. This image illustrates the general appearance of the lens, which attaches to compatible Sony Alpha DSLR camera bodies.

3. Mengoperasikan Lensa

3.1 Pemfokusan

This lens features a Hyper-Sonic Motor (HSM) for fast and quiet autofocus. It also allows for full-time manual focus override.

• Fokus otomatis (AF): Set the AF/MF switch on your camera body to 'AF'. The lens will automatically focus when the shutter button is half-pressed.
• Fokus Manual (MF): Set the AF/MF switch on your camera body to 'MF'. Rotate the focus ring on the lens barrel to adjust focus manually. Even in AF mode, you can fine-tune focus by rotating the focus ring after autofocus has been achieved.

3.2 Memperbesar

To change the focal length, rotate the zoom ring on the lens barrel. The lens offers a focal range from 10mm (ultra-wide) to 20mm (wide-angle). The aperture will vary between f/4 at 10mm and f/5.6 at 20mm.

3.3 Menggunakan Filter

The lens has a filter thread at the front. Due to its internal focusing system, the front element does not rotate, making it convenient to use polarizing filters or other special effect filters. Ensure the filter size matches the lens's filter thread diameter.

4. Pemeliharaan

4.1 Membersihkan Lensa

• Gunakan sikat peniup untuk menghilangkan debu dan partikel yang lepas dari permukaan lensa.
• Untuk noda atau sidik jari, oleskan sedikit cairan pembersih lensa ke kain mikrofiber bersih dan usap lensa secara perlahan dengan gerakan melingkar dari tengah ke luar.
• Jangan pernah menggunakan bahan abrasif atau bahan kimia keras.

4.2 Penyimpanan

• Selalu pasang tutup lensa depan dan belakang saat lensa tidak digunakan.
• Simpan lensa di tempat yang sejuk dan kering, jauhkan dari sinar matahari langsung dan suhu ekstrem.
• If storing for extended periods, consider using a dehumidifying agent to prevent mold growth.

4.3 Tindakan pencegahan penanganan

• Avoid exposing the lens to water or excessive humidity.
• Jangan menjatuhkan atau membiarkan lensa terkena benturan keras.
• Do not attempt to disassemble the lens, as this will void the warranty.

5. Penyelesaian masalah

5.1 Autofokus Tidak Berfungsi

• Check if the AF/MF switch on your camera body is set to 'AF'.
• Ensure there is sufficient light and contrast in the scene for the autofocus system to operate effectively.
• Bersihkan kontak listrik pada lensa dan bodi kamera dengan kain bersih dan kering.

5.2 Image Quality Issues (e.g., blurry images)

• Pastikan lensa terpasang dengan aman pada bodi kamera.
• Check your camera's shutter speed and aperture settings. A slow shutter speed can cause motion blur, and an incorrect aperture can lead to out-of-focus areas.
• Pastikan elemen lensa bersih dan bebas dari noda atau debu.
• If using manual focus, confirm that the subject is sharply focused.

5.3 Lens Not Recognized by Camera

• Remove the lens and reattach it, ensuring it clicks firmly into place.
• Clean the electrical contacts on both the lens and the camera body.
• Check your camera's firmware for updates, and ensure it is compatible with the lens.

6. Spesifikasi

7. Garansi dan Dukungan

Sigma lenses typically come with a limited warranty covering manufacturing defects. Please refer to the warranty card included with your product or visit the official Sigma websitus untuk mengetahui ketentuan dan persyaratan garansi terperinci yang khusus untuk wilayah Anda.

For technical support, service, or inquiries regarding your Sigma 10-20mm f/4-5.6 EX DC HSM lens, please contact Sigma customer service through their official website or the authorized distributor in your country. Have your lens model number and purchase information ready when contacting support.