1. Entwodiksyon
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.
Karakteristik kle:
- 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.
- Kalite Konstriksyon solid: Constructed for durability and reliable performance.
2. Enfòmasyon sou Sekirite
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.
- Keep the lens away from strong magnetic fields.
- 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. Pake kontni
Verifye ke tout atik yo prezan nan pakè a:
- ZEISS Ikon Biogon T* ZM 2.8/28 Wide-Angle Camera Lens for Leica M-Mount Rangefinder Cameras
- Cap Lens devan
- Dèyè Lens Cap
- Manyèl Enstriksyon (dokiman sa a)
4. Konpozan lantiy yo
Familiarize yourself with the main parts of your ZEISS Biogon T* ZM 2.8/28 lens.

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

Figi 4.2: Devan view of the ZEISS Biogon T* ZM 2.8/28 lens, displaying the front optical element and lens identification markings.
- Bag konsantre: Used to adjust the focus distance.
- Bag Ouvèti: 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.
- Mòn lantiy: The part of the lens that connects to the camera body (Leica M-Mount).
5. Enstalasyon
Attaching the Lens to the Camera:
- Ensure both the camera and the lens are clean and free of dust.
- Retire bouchon dèyè lantiy la ak bouchon kò kamera a.
- Align the red dot on the lens mount with the corresponding red dot on the camera's lens mount.
- Mete lantiy la dousman nan sipò kamera a.
- Rotate the lens clockwise until it clicks into place, indicating it is securely locked.

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:
- Peze epi kenbe bouton deblokaj lantiy la sou kò kamera a.
- 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. Itilizasyon Lantiy la
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.
Konsantre manyèl:
- Gade nan kamera ou a viewChèche.
- 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.
Kontwòl Ouverture:
- Rotate the aperture ring to select your desired f-stop.
- 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.
Pwofondè jaden:
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. Antretyen ak Swen
Bon antretyen asire lonjevite ak pèfòmans optimal lantiy ou a.
Netwaye lantiy la:
- Eleman lantiy: 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.
- Kò Lantiy: Wipe the lens barrel with a clean, dry, soft cloth. Do not use harsh chemicals or solvents.
Depo:
- Always attach both front and rear lens caps when the lens is not in use.
- Sere lantiy la nan yon kote ki fre epi sèk, lwen limyè solèy dirèk ak tanperati ekstrèm.
- Si w ap estoke li pou yon bon bout tan, konsidere itilize yon ajan dezumidifikasyon pou anpeche mwazi grandi.
NAN. Depanaj
If you encounter issues with your lens, refer to the following common problems and solutions:
| Pwoblèm | Kòz posib | Solisyon |
|---|---|---|
| Lantiy la pa tache ak kamera a | Aliyman ki pa kòrèk; obstak sou montaj la. | Ensure red dots are aligned. Check for debris on lens or camera mount. |
| Imaj yo flou | 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 | Pousyè oswa debri nan mekanis lan; mank lubrifikasyon. | 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. Espesifikasyon
Technical specifications for the ZEISS Ikon Biogon T* ZM 2.8/28 Wide-Angle Camera Lens.
| Karakteristik | Detay |
|---|---|
| Mak | ZEISS |
| Nimewo Modèl | 000000-1365-657 |
| Longè Fokal | 28mm |
| Ouverture maksimòm | f/2.8 |
| Kalite lantiy | Gran Ang |
| Montaj konpatib | Leica M |
| Dimansyon pwodwi | 2.4 x 2.1 x 2.1 pous |
| Pwa atik | 8.1 ons |
| ASIN | B0009R3STY |
| Manifakti | ZEISS |
10. Garanti ak sipò
For warranty information and technical support, please refer to the official ZEISS websit la oubyen kontakte sèvis kliyan yo dirèkteman. Kenbe prèv acha ou pou reklamasyon garanti.
- ZEISS ofisyèl Websit: www.zeiss.com
- Sèvis Kliyan: Gade seksyon kontak la sou paj ofisyèl la. websit la pou plis detay sou sipò rejyonal la.





