Sony's DDSSM (Direct Drive SSM) system has the power and precision needed to drive the lens's mechanism for remarkably fast, accurate focusing. High positioning accuracy means that no movement is wasted. Pinpoint autofocus is achieved with blazing speed. The DDSSM system is incredibly quiet, too.

An 11-blade circular aperture mechanism adds to the beauty of the bokeh produced by this lens, making it possible to use the narrow depth of field available at super-telephoto focal lengths to produce striking images with deep, creamy G lens bokeh.

Impeccable Sony G lens design emphasises a graceful balance between high resolution and gorgeous background bokeh that can enhance the artist’s vision.[1] Aspherical lens  [2] ED (extra-low dispersion) glass

Five ED (Extra-low Dispersion) glass elements and one aspherical element in a new optical design offer superb resolution and image quality throughout the zoom range. The aspherical element suppresses spherical aberration and distortion, while the ED glass elements minimize chromatic aberration that can be a problem at super-telephoto focal lengths.

Learn the four unique advantages of using Sony's E-mount lens for video shooting. The combination of Sony's lenses and cameras will enhance your video creation experience.

Compatible with optional 1.4x and 2.0x teleconverters, for a maximum focal length of 840mm or 1200mm at F13. Both teleconverters are top quality, retaining outstanding image quality and AF performance. Zoom and aperture range with the 1.4x teleconverter is 280-840mm, F8-9. With the 2.0x teleconverter the ranges are 400-1200mm, F11-13.

1. Zooming ring 2. Focusing ring 3. Focus hold button 4. Tripod mount 5. Tripod collar ring 6. Strap eyelet 7. Focus-mode switch 8. Focus-range limiter 9. Shake compensation switch 10. Shake compensation mode switch 11.Mounting index

This GSM home alarm is made up of the following elements: A GSM alarm center equipped with 99 zones and equipped with a backlit LED display.     Integration of a GSM transmitter.     An indoor siren with a power of 110dB, connected to the central unit.     Four infrared detectors.     Four opening contactors.     An outdoor siren.     A WIFI camera for indoor use.     A WIFI camera designed for outdoor use.     Two remote controls with four buttons each.     Three “secure place” stickers intended to be affixed to your windows and your mailbox.     A transformer compatible with a 220 Volt power supply.     A user manual in French.     A set of screws and dowels for fixing.     All the necessary batteries as well as a backup battery.     Quality A specialist in home security for 10 years, LIFEBOX pays particular attention to quality and compliance with European standards, indisputable and fundamental criteria in this area. This requirement allows us to obtain an extremely low after-sales service rate (0.3%).     Client orientation The first and only brand to have offered additional services completely free for users, LIFEBOX provides quality commercial and technical service and provides its partners with relevant sales support tools and an effective animation system. LIFEBOX offers the best quality/price ratio to its customers.     Innovation A major player in the market, the company is constantly seeking to modernize the notion of home security, thanks in particular to a dedicated product development marketing team. LIFEBOX also innovates in the field since it is the first brand to offer a strong merchandising concept which brings together in a single space all the solutions dedicated to the concept of security.

Perfect for wildlife and more, this 200-600mm super-telephoto zoom can reach as far as 840mm or 1200mm with 1.4x and 2.0x teleconverters, with full G lens quality and AF performance. Aspherical and ED glass elements achieve superb resolution throughout the zoom range, while Sony’s Nano AR Coating cuts flare and ghosting. The bokeh is gorgeous, too.

MTF (Modulation Transfer Function) describes how well a lens can reproduce fine details, measured as the degree of contrast achieved between finely spaced lines.[1] Contrast (%)  [2] Distance from optical center of lens (mm)  [3] At 200mm / Max. aperture  [4] At 200mm / F8 aperture  [5] At 600mm / Max. aperture  [6] At 600mm / F8 aperture  [7] Spatial frequency  [8] 10 line pairs / mm  [9] 30 line pairs / mm  [10] Radial values  [11] Tangential values

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An internal zoom mechanism means that the length of the lens does not change while zooming, for stable handheld operation with consistent balance. Customisable focus hold buttons are provided in three locations 90° apart for easy access when shooting in any orientation. A fluorine front element coating plus a dust and moisture resistant design ensure high reliability in challenging environments.