Question: What is the diameter of the lens?
Answer: The lens diameter is 65.4 mm. A larger diameter allows for the use of larger lens elements, which can improve light gathering and image quality.
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Sigma Benelux B.V.
De Bouw 1-B, 3991 SX Houten, The Netherlands
| Dimensions & Weight | |
|---|---|
| Length (mm) | 76.5 mm |
| Weight (g) | 290.0 g |
| Diameter (mm) | 65.4 mm |
| General | |
|---|---|
| Color | Black |
| Firmware upgradeable | |
| Clickless aperture (cine) |
| Material & Protection | |
|---|---|
| Weather-resistant | |
| Material | Metal and plastic |
| Focus & Stabilization | |
|---|---|
| Image stabilisation | |
| Autofocus | |
| Focus motor | Other |
| Internal focusing | |
| Min. focusing distance (cm) | 12.1 cm |
| Manual focus (MF) | |
| Silent AF (video) |
| Included Accessories | |
|---|---|
| Rear lens cap | |
| Lens cap | |
| Lens hood |
| Image | |
|---|---|
| Focal length (max) (mm) | 50.0 mm |
| Focal length (min) (mm) | 18.0 mm |
| Constant aperture | |
| Aperture blades (Units) | 7.0 Units |
| Fast (f/2.8 or faster) | |
| Max. angle of view (°) | 76.5 ° |
| Max. aperture (f/) | 2.8 f/ |
| Min. aperture (f/) | 22.0 f/ |
| Optical zoom (x) | 2.7 x |
| Maximum magnification (x) | 0.36 x |
| Construction & Coating | |
|---|---|
| Coating | Multi-Coated |
| Filter diameter (mm) | 55.0 mm |
| Lens construction (elements/groups) | 13 elements in 10 groups |
| Type lens hood | LH582-02 |
| Number of aspherical elements (Units) | 3.0 Units |
| Compatibility | |
|---|---|
| Full Frame | |
| Lens mount | Sony E |
| APS-C | |
| Micro Four Thirds | |
| Medium Format |
Answer: The lens diameter is 65.4 mm. A larger diameter allows for the use of larger lens elements, which can improve light gathering and image quality.
Answer: The lens is 74.5 mm long. Its compact length makes it particularly handy and ideal for everyday use and travel.
Answer: The lens weighs 290 grams. Its light weight makes it easy to transport and is particularly advantageous for longer shoots or when traveling.
Answer: The filter size is 55 mm. This is important if you want to use filters such as polarizing or ND filters to gain more creative freedom in photography.
Answer: The lens covers a focal length range from 18 mm to 50 mm. This makes it versatile and suitable for many shooting situations such as landscapes, portraits, and architecture.
Answer: In 35mm equivalent terms, the focal length range corresponds to 27 to 75mm. This makes the lens particularly flexible for various photo and video situations.
Answer: The minimum focal length is 18 mm. A short focal length is ideal for wide-angle shots such as landscapes or architecture.
Answer: The maximum focal length is 50 mm. This makes the lens suitable for portraits and close-up shots.
Answer: The minimum focal length in 35mm equivalent is 27mm. This is particularly useful for photographers who want to use the classic angle of view of a 35mm camera.
Answer: The maximum focal length in 35mm equivalent is 75mm. This gives you greater reach for distant subjects and portraits.
Answer: The dimensions are 65.4 mm in diameter and 74.5 mm in length. Its compact size makes the lens easy to transport and suitable for everyday use.
Answer: The maximum aperture is f/2.8 across the entire zoom range. A large aperture allows for shooting in low light and creates a beautiful bokeh, i.e., an attractive background blur.
Answer: The minimum aperture is F/22. A small aperture allows you to achieve greater depth of field, which is helpful for landscape or architectural photography.
Answer: The lens has 7 rounded aperture blades. Rounded blades ensure a particularly soft and appealing bokeh.
Answer: The maximum viewing angle is 76.5 degrees. A wide viewing angle is particularly advantageous for wide-angle shots and capturing expansive scenes.
Answer: The minimum focusing distance is 12.1 cm. A short minimum focusing distance enables impressive macro shots and detailed close-up images.
Answer: The maximum magnification is 1:2.8 at 18 mm and 1:5 at 50 mm. A high magnification is ideal for capturing small subjects large and in great detail.
Answer: The lens consists of 13 elements in 10 groups, including 1 SLD element and 3 aspherical elements. SLD stands for Special Low Dispersion and reduces chromatic aberration, while aspherical elements minimize distortion and image defects, resulting in high image quality.
Answer: The housing is made of polycarbonate and metal. Polycarbonate is lightweight and robust, while metal provides additional stability, making the lens resistant to impacts and weather conditions.
Answer: Yes, the lens is dustproof and splashproof. This increases reliability and durability, especially when used in harsh weather conditions.
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