1. Bubuka
This manual provides essential information for the proper use and care of your ZEISS Ikon Biogon T* ZM 2.8/28 Wide-Angle Camera Lens. Designed for Leica M-Mount rangefinder cameras, this lens offers exceptional image quality, wide-angle versatility, and robust construction. Please read these instructions thoroughly before using the lens to ensure optimal performance and longevity.
Fitur konci:
- Superior Imaging: Delivers sharp, clear, and vibrant photos with outstanding detail and minimal distortion.
- Versatile Wide Angle: The 28mm focal length is suitable for landscapes, street photography, and architectural shots.
- Excellent Low Light Performance: Wide f/2.8 aperture allows for effective use in challenging lighting conditions.
- Precise Manual Focus: Offers accurate control over focus for creative depth-of-field effects.
- Kualitas Wangunan anu kuat: Diwangun pikeun daya tahan sareng kinerja anu tiasa dipercaya.
2. Émbaran Kasalametan
Observe the following safety guidelines to prevent damage to the lens or camera and to ensure user safety:
- Do not expose the lens to extreme temperatures, humidity, or direct sunlight for extended periods.
- Avoid dropping the lens or subjecting it to strong impacts.
- Jauhkeun lénsa tina médan magnét anu kuat.
- Do not attempt to disassemble or repair the lens yourself. Refer to qualified service personnel.
- Keep lens caps on when the lens is not in use to protect the optical elements.
3. Eusi Paket
Pastikeun yén sadaya item aya dina bungkusan:
- ZEISS Ikon Biogon T* ZM 2.8/28 Wide-Angle Camera Lens for Leica M-Mount Rangefinder Cameras
- Cap Lénsa Hareup
- Tutup Lénsa Rear
- Manual Pitunjuk (dokumén ieu)
4. Lens Components
Familiarize yourself with the main parts of your ZEISS Biogon T* ZM 2.8/28 lens.

Gambar 4.1: Sisi view of the ZEISS Biogon T* ZM 2.8/28 lens, illustrating the focus ring, aperture ring, and depth of field scale.

Gambar 4.2: Hareupeun view of the ZEISS Biogon T* ZM 2.8/28 lens, displaying the front optical element and lens identification markings.
- Ring Fokus: Used to adjust the focus distance.
- Cincin aperture: Used to set the desired aperture (f-stop).
- Depth of Field Scale: Provides an indication of the depth of field at various apertures.
- Distance Scale: Shows the current focus distance in meters and feet.
- Pasang lensa: The part of the lens that connects to the camera body (Leica M-Mount).
5. Setélan
Attaching the Lens to the Camera:
- Pastikeun kaméra sareng lénsa bersih sareng bébas tina lebu.
- Cabut tutup lensa pungkur tina lensa sareng tutup awak tina kaméra.
- Align the red dot on the lens mount with the corresponding red dot on the camera's lens mount.
- Gently insert the lens into the camera mount.
- Puterkeun lénsa saarah jarum jam nepi ka ngaklik kana tempatna, nunjukkeun yén éta dikonci aman.

Figure 5.1: The ZEISS Biogon T* ZM 2.8/28 lens correctly mounted on a compatible rangefinder camera.
Detaching the Lens from the Camera:
- Pencét terus tahan tombol pelepas lénsa dina awak kaméra.
- Rotate the lens counter-clockwise until it detaches from the mount.
- Immediately attach the rear lens cap to the lens and the body cap to the camera to protect them from dust and damage.
6. Ngoperasikeun Lensa
The ZEISS Biogon T* ZM 2.8/28 is a manual focus lens, requiring user input for focus and aperture settings.

Figure 6.1: A photographer using a camera equipped with a ZEISS lens, illustrating the manual operation process.
Fokus Manual:
- Look through your camera's viewanu mendakan
- Rotate the focus ring on the lens until your subject appears sharp and clear in the viewfinder's rangefinder patch.
- The distance scale on the lens indicates the current focus distance.
Kontrol aperture:
- Puterkeun cingcin aperture pikeun milih f-stop anu dipikahoyong.
- Smaller f-numbers (e.g., f/2.8) indicate a wider aperture, allowing more light and creating a shallower depth of field.
- Larger f-numbers (e.g., f/22) indicate a narrower aperture, allowing less light and creating a greater depth of field.
Depth of Field:
The depth of field scale on the lens can be used to estimate the range of acceptable sharpness at a given aperture and focus distance. Align the focus distance with the desired aperture markings on the scale to see the near and far limits of focus.
7. Pangropéa sarta perawatan
Pangropéa anu leres mastikeun umur panjang sareng kinerja optimal lénsa anjeun.
Ngabersihan lensa:
- Unsur Lensa: Use a soft lens brush or a blower to remove dust particles. For smudges or fingerprints, apply a small amount of lens cleaning fluid to a clean microfiber cloth and gently wipe the lens surface in a circular motion. Avoid excessive pressure.
- Awak lensa: Wipe the lens barrel with a clean, dry, soft cloth. Do not use harsh chemicals or solvents.
Panyimpenan:
- Salawasna pasang tutup lénsa hareup sareng tukang nalika lénsa teu dianggo.
- Simpen lensa di tempat anu tiis, garing, jauh tina sinar panonpoé langsung sareng suhu anu ekstrim.
- Lamun nyimpen pikeun période nambahan, mertimbangkeun ngagunakeun agén dehumidifying pikeun nyegah tumuwuhna kapang.
8. Cara ngungkulan
Upami anjeun ngalaman masalah sareng lensa anjeun, tingali masalah sareng solusi umum ieu:
| Masalah | Mungkin Cukang lantaranana | Solusi |
|---|---|---|
| Lensa teu napel kana kaméra | Susunanana salah; halangan dina pemasangan. | Ensure red dots are aligned. Check for debris on lens or camera mount. |
| Gambar blur | Incorrect focus; dirty lens element; camera shake. | Verify focus using the rangefinder. Clean lens elements. Use a faster shutter speed or tripod. |
| Aperture ring is stiff | Dust or debris in mechanism; lack of lubrication. | Do not force. Contact ZEISS service for inspection. |
| Dust inside lens | Normal accumulation over time; exposure to dusty environments. | Minor dust does not typically affect image quality. For significant dust, contact ZEISS service. Do not attempt to clean internally. |
9. Spésifikasi
Technical specifications for the ZEISS Ikon Biogon T* ZM 2.8/28 Wide-Angle Camera Lens.
| Fitur | Rincian |
|---|---|
| merek | ZEISS |
| Nomer modél | 000000-1365-657 |
| Panjang fokus | 28 mm |
| Aperture maksimum | f/2.8 |
| Tipe Lénsa | Sudut lega |
| Mountings cocog | Leica M |
| Dimensi produk | 2.4 x 2.1 x 2.1 inci |
| Item Beurat | 8.1 ons |
| ASIN | B0009R3STY |
| Produsén | ZEISS |
10. Garansi jeung Rojongan
For warranty information and technical support, please refer to the official ZEISS websitus atanapi ngahubungan layanan palanggan maranéhanana langsung. Simpen bukti pameseran anjeun pikeun klaim garansi.
- Official ZEISS Websitus: www.zeiss.com
- Palayanan palanggan: Tingal bagian kontak dina resmi websitus pikeun detil rojongan régional.





