The new Sigma 50-100 F1.8 (75-150mm on 35mm format) mid-range zoom lens embodies the same engineering prowess to deliver outstanding prime lens-like results. Factoring in the APS-C image circle of 1.5x, the 50-100mm F1.8 covers three popular short tele prime focal lengths: 85mm, 105mm and 135mm. The new 50-100mm F1.8 maintains a constant F1.8 aperture yielding exceptional brightness and resolution throughout the zoom, while simultaneously maintaining focus as the lens is zoomed, a feature videographers will greatly appreciate.
- Features three FLD (F Low Dispersion) glass elements, one SLD (Special Low Dispersion) glass element, and one high-refractive index, high-dispersion glass element to minimize aberrations.
- Redesigned and enhanced, the new Hyper Sonic Motor is 30% slimmer and provides fast and accurate AF.
- Highly durable polycarbonate diaphragm made with fluorine; blades feature carbon feather film offering exceptionally smooth operation even during continuous shooting.
- Inner focusing and zoom design offer versatile shooting options
- Tripod socket for stable, comfortable operation
- Features 21 elements / 15 groups
- Minimum Aperture: F16
- 82mm filter thread
- Minimum Focus Distance: 37.4in
- Dimensions: 3.7x6.7
- Weight: 52.6oz
ART Lens
Engineered for those who see photography as a critical expression of self, our Art line offers sophisticated optical performance and abundant expressive power to deliver faithfully on your artistic vision.
DC (DC for Digital)
These are special lenses designed for APS-C size sensors so that the image circle matches the smaller size of the image sensor of most digital SLR cameras. Their specialized design gives these lenses the ideal properties for digital cameras, the compact and lightweight construction is an added bonus!
HSM (High Speed Motor)
This lens uses a motor driven by ultrasonic waves to provide a quiet, high-speed AF.
IF (Inner Focus)
To ensure stability in focusing, this lens moves the inner lens group(s) without changing the lens' physical length.