G Master Technology Video Transcript

Sony logo

 

Sample image of a man in an ice cave

Narration "A lens that continues to evolve as Sony develops and introduces the most advanced technologies."

 

Sample image of a man climbing in an ice cave

Narration "Sony is tackling technical challenges in lens development and manufacture that are inherently difficult to solve."

 

G Master logo

Narration "That's G Master"

 

4 sample images of a fox, man on a bike, situation of using G Master, and situation of a woman looking through the finder.

Caption "Resolution - Bokeh"

Narration "The elements that make up the G Master lens: Advanced design techniques to achieve both high resolution and bokeh."

Caption "Speed - Accuracy"

Narration "Fast and highly accurate autofocusing that fully exploits the performance of the latest cameras."

Caption "Light Weight - Reliability"

Narration "Reduced weight while ensuring high reliability for use in the world's harshest environments."

Caption "Compactness - Operability"

Narration "Simple and intuitive operation, yet highly compact to reduce luggage size and achieve high mobility.

Each of these difficult challenges is resolved by deploying the latest Sony technology."

 

Sample image of a fox

Caption "Resolution and Bokeh"

Narration "Achieving high resolution and melting bokeh together has always been a difficult challenge in optical design."

 

Clip XA lens appearing

Caption "XA (extreme aspherical) Lens"

Narration "The technology that greatly contributes to this challenge is Sony's advanced extreme aspherical or "XA" lens, with both stunning resolving power and beautiful melting bokeh."

 

Clip of lens surface, changing from rough to detailed flat surface.

Caption "High surface precision"

Caption "XA Lens surface. Controlled to 0.01 micron accuracy"

Narration "Precision manufacturing technology controls the aspherical surface to extraordinarily high accuracy, within 0.01 microns."

 

Clip of XA lens appearing

 

Another XA lens appearing

Caption "Increasing XA lens diameter"

Narration "This unique manufacturing technology is constantly advancing optical performance. Increasing the lens diameter while maintaining 0.01-micron level accuracy right across the surface is extremely difficult. But it has been achieved through Sony's unique manufacturing technology, now adopted for many large-aperture lenses."

 

Complex shape XA lens appearing

Caption "Handling more complex shapes"

Narration "And XA lenses with more complex aspherical shapes are being developed for even higher image quality."

 

All lenses configuring the lens appears.

Narration "With the development of these XA lenses, G Master image quality continues to evolve even further."

 

Sample image looking up to the roof inside a building, with a large detailed circular glass ceiling in high resolution

Caption "FE 16-35mm F 2.8 GM II"

Narration "High spatial resolution results in detailed rendering right out to the image edges."

Zooming into the lower right corner of the sample image to show high resolution.

Wire frame of lenses appearing

Caption "Bokeh simulation"

 

Wire frame illustrates a moving lens element in the bokeh simulation on the left, and the resulting image bokeh on the right

Caption "Bokeh simulation"

Caption "Hard edge"

Caption "Soft edge"

Narration "Sony also continues to advance the powerful simulation technology used in the high-level optimisation of the optical design, to provide beautiful and smoothly-melting bokeh."

 

Close-up facial portrait of female model, with resolution of subject standing out against bokeh

Caption "FE 50mm F1.2 GM"

Sample image of cut lemons and mint inside a cup, angle from the above.

Caption "FE 50mm F1.2 GM"

Narration "The optical design of the proprietary XA lenses and bokeh simulation deliver a beautiful bokeh that gradually melts away from the focus plane while maintaining the high resolution of the subject."

 

4 sample images of a fox, man on a bike, situation of using G Master, and situation of a woman looking through the finder.

Caption "Speed - Accuracy"

Narration "High-speed, high-precision AF requires actuators that drive the focus lens group fast, and advanced control technology that stops it smoothly with high precision at the new focus position."

 

Sample image of a man on a bike

Caption "Fast and precise focus"

 

Clip of lens wire frame and XD linear motor appearing.

Caption "XD Linear Motor × Advanced control technology"

Narration "To solve this challenge, Sony has developed various focus actuators such as the XD Linear Motor, and the controlling technologies."

 

Close up of a woman's face

Caption "XD Linear Motor × Advanced control technology"

Caption "Fast focusing"

Clip of XD linear motor moving as the operating point on the graph of lens position versus time also moves, and the sample picture comes into sharp focus

Narration "The particularly high efficiency and thrust of the XD Linear Motor let it quickly drive even the heavy focus groups of large-aperture lenses."

 

Close up of a woman's eye

Caption "XD Linear Motor × Advanced control technology"

Caption "Precise and smooth focus"

Clip of XD linear motor slightly moving as the graph operating point slightly moves to adjust focus.

Narration "The fast-moving focus groups are then stopped with micron-level positional accuracy."

Narration "Additionally, the drive trajectory of the focus group is designed to achieve smooth and silent AF with little vibration."

 

Graphic of XD Linear Motor moving the lens focus group in response to signals from the camera body during continuous shooting of a female gymnast in motion.

Caption "Working with state-of-the-art camera bodies"

Narration "Developing lenses and cameras together allows Sony to design lenses that extract maximum performance from the body."

 

Sample image of a female gymnast

Caption "FE 70-200mm F2.8 GM OSS II"

Narration "The focus can keep up with advanced camera features like ultra high-speed continuous shooting at 120 frames per second."

4 sample images of a fox, man on a bike, situation of using G Master, and situation of a woman looking through the finder.

Caption "Light Weight - Reliability" 

 

Situation of using G Master outside

Caption "Minimising weight while ensuring reliability"

Narration "Achieving light weight, for easy carrying and shooting, while ensuring reliability for use in any environment, can also be challenging."

 

Wireframe illustration of lenses appearing

Caption "Weight reduced by the latest optical design"

Caption "The latest optical design simplifies lens configuration and reduces weight"

Narration "State-of-the-art elements such as XA lenses and highly efficient XD linear motors deliver lightweight optics."

 

The illustration of lenses changes to CG

XD linear motor appears

Caption "Weight reduced by the latest actuators"

Caption "State-of-the-art optimised actuator placement delivers further mechanical weight reduction"

 

Engineering plastics appear around the lens barrel

Caption "Adoption of lightweight but highly rigid materials"

Caption "High-strength engineering plastics"

Narration "Advanced materials achieve light weight with high strength."

 

The surface of the engineering plastic zooms in, showing illustration of plastic, carbon fibre, and glass fibre

Narration "High-strength engineering plastics are blended with carbon and glass fibre to achieve higher strength than ordinary plastics, and a lightweight but rigid magnesium alloy ensures high reliability while reducing overall weight."

 

Magnesium alloy appears around the lens barrel

Caption "Adoption of lightweight but highly rigid materials"

Caption "Magnesium alloy"

 

The exterior of the lens appears

Narration "Sony's development of various proprietary technologies has enabled substantial weight reduction while ensuring reliability."

 

Locations of dust and moisture resistant seals on the lens barrel are illustrated in red

Caption "Highly dust- and moisture-resistant design"

Caption "* Not guaranteed to be 100% dust and moisture proof."

Narration "The design is safe to use in environments worldwide."

 

Sand flying around the lens

Caption "Sand and dust"

Caption "* Not guaranteed to be 100% dust and moisture proof.

* Image shows test environment, not guaranteed operating environment."

Narration "In sandy deserts, in the rain."

 

Raindrops hitting the lens

Caption "Rain"

Caption "* Not guaranteed to be 100% dust and moisture proof.

* Image shows test environment, not guaranteed operating environment."

 

Snow hitting the lens

Caption "Frost"

Caption "* Image shows test environment, not guaranteed operating environment."

Narration "Designed and tested for shooting in cold environments."

 

4 sample images of a fox, man on a bike, situation of using G Master, and situation of a woman looking through the finder.

Caption "Compactness - Operability"

Situation of a woman looking through the finder

Caption "Uncompromising pursuit of thorough miniaturisation and comfortable operability"

Narration "Every detail has been addressed to ensure easy operability with the maximum degree of miniaturisation."

 

Lens components appear in layered cross-section from internal to external

Caption "Optimal overall lens design"

Narration "For compactness, optimally-designed components fit precisely together without wasting space."

 

Two XD linear motors appear, followed by another two

Narration "Actuators are also designed in-house for absolute precision, allowing no space to be wasted. A strong engineering commitment and advanced technology have delivered a compact lens that can be taken anywhere. "

 

The external lens surface appears

 

Two more lenses appearing from the side

Caption "Superior operability"

Narration "Keys and controls are designed to reflect feedback from creators from around the world."

 

Zoom rings of each lens are highlighted

Caption "Unified layout of keys and controls

Zoom ring

* Some lenses do not have a zoom ring"

Narration "The important control rings --- the zoom, focus and aperture rings --- are placed in the same order on all lenses.

So even if you change lenses, you can instantly reflect your creative intentions with the same control operations with no stress."

6 more lenses appearing

 

Focus rings of each lens are highlighted

Caption "Unified layout of keys and controls

Focus ring"

 

Aperture rings of each lens are highlighted

Caption "Unified layout of keys and controls

Aperture ring

* Some lenses do not have an aperture ring"

 

All the lenses except the middle one disappear

The lens zooms in, and aperture ring turns

Caption "Superior operability

Careful design of keys and controls

Operating feel"

Narration "The rings are carefully tuned for optimal smoothness to let you achieve your shooting aims in comfort."

 

Lens turning around and zooming into the focus switch button

Narration "Not only does operation have to be controllable, but it also has to have good texture feel."

 

Lens moving downward

Narration "Button shapes were also carefully designed based on feedback from many creators for reliable operation."

 

Many G Master moving downward

Narration "G Master,

Focusing on a new era of visual expression, …"

 

All G Master lining up

Narration "Always at the cutting edge of technology, …"

 

The background light brightens

Narrator "Through the passion of creators, …

Continuing to evolve and expand"

 

Caption "Tomorrow's lenses today, from Sony"

Narration "Tomorrow's lenses today, from Sony"

 

Caption "The future of imagery is in your hands"

 

Sony logo