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SIGMA
SIGMA 100-400mm F5-6.3 DG DN OS Contemporary L Mount
Versatile 100-400mm zoom lens for Leica L-mount cameras with optical stabilisation and 67mm filter thread
- TypeZoom Lens
- Focal Length100-400mm
- Camera Mountleica_l
- Aperture5 millimeters
- CompatibilityLeica L
- Diameter8.6 centimeters
- Versatile 100-400mm zoom covers wildlife and sports
- Advanced optical design with 22 elements in 16 groups
- Built-in optical stabilisation reduces camera shake
- 67mm filter thread accepts standard circular filters
- Lightweight 1.1kg construction eases handheld shooting
Sigma 100-400mm F5-6.3 DG DN OS Contemporary L Mount
This telephoto zoom lens covers 100-400mm and is built for Leica L-mount full-frame mirrorless cameras. It uses 22 elements in 16 groups, including one FLD and four SLD glass pieces, to control aberrations across the range. Optical stabilisation and a stepping motor give steady, quiet focusing for wildlife, sports and portraits. Weighing 1.1 kg with a 67 mm filter thread, it balances reach and portability.
Photographers wanting a single long zoom
Buyers who need a constant maximum aperture throughout the zoom range should look elsewhere. Shooters requiring a wider angle than 100 mm or a faster aperture than f/5 at the wide end will not be served by this lens. Those who need a tripod collar as standard equipment or a lens optimised for close-up macro work should consider other options.
Variable f/5-6.3 aperture across 100-400mm
The maximum aperture shifts from f/5 at 100 mm to f/6.3 at 400 mm, directly affecting exposure settings and depth of field at the long end. This variable aperture design keeps the lens relatively compact at 10.0 x 5.12 x 4.84 inches and 1.1 kg. Check whether your shooting style can accommodate the light loss at full extension before choosing this model.
Highlights
- Versatile 100-400mm zoom covers wildlife and sports
- Advanced optical design with 22 elements in 16 groups
- Built-in optical stabilisation reduces camera shake
- 67mm filter thread accepts standard circular filters
- Lightweight 1.1kg construction eases handheld shooting
Specifications
| Type | Zoom Lens |
|---|---|
| Focal Length | 100-400mm |
| Camera Mount | leica_l |
| Aperture | 5 millimeters |
| Compatibility | Leica L |
| Diameter | 8.6 centimeters |
| Color | Black |
| Angle of View | 6.2 degrees |
| Filter thread (Diameter) | 67 millimeters |
| Brand | SIGMA |
| Model | 100-400mm F5-6.3 DG DN OS Contemporary |
| Part Number | 750969 |
| Part | 750969 |
| Dimensions | 10.0 in x 5.12 in x 4.84 in |
| Weight | 1.1 kilograms |
Questions about this item
How can I verify the optical stabiliser is active after mounting the lens?
The OS switch on the barrel engages the stabiliser; a steady viewfinder image at 400mm confirms it is working.
What accessories are included and which filter size do I need to buy separately?
The box contains the lens, front and rear caps, and a hood; a 67mm filter must be purchased separately.
Which focal length version should I choose for wildlife versus portrait work?
The single 100-400mm zoom covers both uses; no alternative focal-length versions exist for this model.
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