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General| Focal Length | 100-300mm |
|---|---|
| Maximum Aperture | F4 |
| Lens Construction | 16 elements in 14 groups |
| Filter Size | 82 mm |
| Weight | 1440 g / 50.8 oz |
| Diaphragm Blades | 9 |
| Image Stabilization | No |
| Angle of View | 24.4° - 8.2° |
| Lens Mount | Canon EF, Nikon F, Sigma SA |
| Format Compatibility | Full Frame |
| Minimum Focus Distance | 1.8m |
Lists and identifies the 10 main parts of the Sigma lens as shown in Figure 1.
Instructions on mounting the lens, ensuring clean electrical contacts and proper connection.
Explains how exposure settings are controlled, varying by camera brand and lens settings.
Details autofocus operation using HSM, manual focus adjustments, and zoom ring usage.
Information on the detachable tripod socket for camera positioning on a tripod.
Warning about potential shadows from the lens length when using a camera's built-in flash.
Description of the bayonet type lens hood for preventing flare and ghost images.
Guidance on using filters, recommending one at a time and circular polarizing types.
Recommendations for cleaning, storing, and protecting the lens from damage and extreme conditions.
Lists the key technical specifications of the APO 100-300mm F4 EX IF lens.
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