1. Introdução
This instruction manual provides detailed information on the proper use, care, and maintenance of your Sigma Quantaray 100-300mm AF Lens. Please read this manual thoroughly before using the lens to ensure optimal performance and longevity. This lens is designed for Minolta Maxxum AF and Sony Alpha A-Mount cameras.
2. Produto acabadoview
The Sigma Quantaray 100-300mm AF Lens is a compact telephoto zoom lens, measuring less than 4 inches long and under 2.8 inches in diameter. It features original three-group zoom technology and incorporates Special Low Dispersion (SLD) glass to minimize color aberration, ensuring high optical performance across its 100-300mm focal range. This lens is suitable for various photographic applications, including portraiture, sports, and nature photography.

Figure 2.1: Sigma Quantaray 100-300mm AF Lens. Visible markings include focal lengths (100mm, 135mm, 200mm, 300mm) on the zoom ring and aperture settings (f/22, f/11) on the aperture ring, along with focus distance indicators in feet and meters.
3. Configuração
3.1 Montagem da Lente
- Remova a tampa traseira da lente e a tampa do corpo da câmera.
- Align the mounting index mark on the lens barrel with the corresponding index mark on the camera body.
- Insert the lens into the camera's lens mount and turn it clockwise until it clicks into place. Ensure the lens is securely locked.
3.2 Desmontagem da Lente
- Desligue a câmera.
- While pressing the lens release button on the camera body, turn the lens counter-clockwise until it stops.
- Remova cuidadosamente a lente do corpo da câmera.
- Fixe a tampa da lente traseira na lente e a tampa do corpo na câmera para protegê-las contra poeira e danos.
4. Operando a Lente
4.1 Zoom
To change the focal length, rotate the zoom ring on the lens barrel. The focal lengths (100mm, 135mm, 200mm, 300mm) are marked on the ring. Rotate towards 300mm for telephoto magnification and towards 100mm for a wider telephoto view.
4.2 Focalização
This lens supports both autofocus (AF) and manual focus (MF).
- Foco automático (AF): Set your camera to AF mode. The lens will automatically focus when the shutter button is half-pressed.
- Foco manual (MF): Set your camera to MF mode. Rotate the focus ring on the lens barrel until the subject appears sharp in the viewfinder or on the camera's LCD screen. The focus distance scale (in feet and meters) is visible on the lens barrel to assist with manual focusing.
4.3 Controle de Abertura
Aperture settings are typically controlled via your camera body. The lens communicates with the camera to set the desired aperture. The lens barrel may display aperture markings (e.g., f/22, f/11) for reference, indicating the range of available apertures.
5. Manutenção
5.1 Limpeza da Lente
- Utilize um pincel com soprador para remover a poeira da superfície da lente.
- For smudges or fingerprints, use a clean, soft microfiber cloth specifically designed for optical lenses, along with a small amount of lens cleaning solution.
- Limpe suavemente com movimentos circulares do centro para fora.
- Não use organic solvents like paint thinner or benzene to clean the lens.
5.2 Armazenamento
- Quando não estiverem em uso, sempre coloque as tampas das lentes frontal e traseira.
- Guarde a lente em local fresco e seco, longe da luz solar direta e da umidade excessiva.
- Consider using a desiccant (e.g., silica gel) in the storage area to prevent mold growth.
- Avoid storing the lens near equipment that generates strong electromagnetic fields.
6. Solução De Problemas
| Problema | Possível causa | Solução |
|---|---|---|
| Lens does not focus (AF) | Camera set to MF; insufficient light; dirty lens contacts. | Set camera to AF; ensure adequate lighting; clean lens and camera contacts. |
| As imagens estão desfocadas | Incorrect focus; camera shake; dirty lens element. | Check focus settings; use a tripod; clean lens. |
| Lens not recognized by camera | Improperly mounted lens; dirty electrical contacts. | Re-mount the lens securely; clean lens and camera contacts. |
7. Especificações
| Número do modelo | SAFZ4362 |
| Distância focal | 100-300 mm |
| Tipo de lente | Zoom telefoto |
| Montagens Compatíveis | Minolta Alpha (A-Mount) |
| Dimensões do produto | 10 x 10 x 12 polegadas (aproximadamente, conforme dados do produto) |
| Peso do item | 1.05 libras |
| Fabricante | Sigma |
8. Garantia e Suporte
For information regarding warranty coverage, service, or technical support, please refer to the warranty card included with your product or visit the official Sigma website. Guarde o recibo de compra como comprovante para solicitações de garantia.
Recursos on-line: Para obter suporte adicional e informações sobre o produto, visite o site. Sigma Global Website.





