Sony a68 body
+ Sony DT 18-55mm f/3.5-5.6 SAM II normal zoom lens
24.2 MP 4 APS-C Exmor CMOS sensor
The large Exmor CMOS image sensor with approximately 24.2 MP boosts sensitivity and reduces noise with gapless on-chip lens design eliminating the gaps between micro-lenses to collect more light.
BIONZ X image processing engine
The processor handles enormous amounts of sensor data to allow high-speed shooting of superb low-noise images. Advanced built-in features include detail reproduction technology to produce more realistic images, diffraction-reduction to correct blurred details, and area-specific noise reduction for clearer, more finely detailed images even at high ISO settings. Area-spciefic Noise Reduction selectively divides the image into areas based on patterns (such as edges, textures and evenly coloured-areas like blue skies), then applies the most appropriate noise reduction for each area.
Wide maximum ISO 100-25600 sensitivity range
The wide maximum sensitivity ranges of ISO 100-25600 for stills and ISO 100-12800 for movies let you shoot natural-looking, low-noise results even in low light.
In-body image stabilisation
Effective image stabilisation for any compatible lens, throughout the entire focal length range. Helps stabilize the viewfinder image while the shutter button is halfway pressed.
OLED Tru-Finder with 100% frame coverage
OLED advantages of tonal gradation, colour reproduction and contrast, this electronic viewfinder makes it easy to view true-to-life images. It also lets you compare different effects of setting changes, as well as use MF Assist and a Preview function to fine-tune focus and preview shots, including those with defocusing effects.
Tiltable LCD screen
Tiltable LCD screen (2.7-type) to clearly shoot at max.135 degrees up and 55 degrees down, enables shooting over the heads of people in crowds, or on the ground for a startling view of pets and flowers. Brightness is adjustable.
Proprietary Translucent Mirror Technology
Sony’s unique design replaces a DSLR moving mirror with a fixed translucent mirror, which enables fast shooting with continuous use of accurate phase detection AF.
Wide & Fast AF system
A 79-point phase-detection AF system (including 15 cross points) has points widely placed within the most frequently used central area of the frame. It keeps tracking and fast autofocusing on a moving subject.
Sophisticated AF algorithm in tracking
High performance in tracking moving subjects to enable continuous autofocus even during continuous shooting at 8 fps.
Superior AF in low light
Autofocus performs well in low-light conditions as low as EV -2, which is equivalent to a moonlit night in which the naked eye has difficulty seeing objects.
Creative movie function
There's more to auto and manual operation than meets the eye. AF functions are ever-reliable, and P/A/S/M exposure modes offer great creative control. Audio level display and rec level control on viewfinder/LCD screen make microphone/recording levels easy to screen and adjust while shooting. Fine-tune images by choosing among 20 Picture Effect and 13 Creative Style settings.
Supports 50 Mbps XAVC S format
For extremely high image quality and minimal noise, record movies in the high-bit-rate XAVC S format, which enables FullHD image recording at 50 Mbps (60p/50p, 30p/25p, 24p).
Top display panel
This "must have" feature of this midrange camera facilitates quick, easy setting and confirmation, especially with a tripod setup.
Control wheel
The control wheel on back is popular among α7 series camera users, and you can modify its functionality according to shooting intention for quick changes of camera settings as you look at the viewfinder.
Efektyvūs taškai
24 mln. pikselių
Optinis vaizdo ieškiklis
Elektroninis (Pentaprismė, 100% padengimas, 0.88x didinimas)
Jutiklis
APS-C (23.5 x 15.6 mm)
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1. Kokie yra pagrindiniai skirtumai tarp veidrodinio fotoaparato ir sisteminio fotoaparato?
Pagrindiniai skirtumai tarp veidrodinio ir sisteminio fotoaparato yra veidrodžio sistemos naudojimas. Veidrodiniai fotoaparatai turi veidrodį, kuris perduoda vaizdą į optinį ieškiklį, o sisteminiai naudoja tiesioginį arba elektroninį ieškiklį. Veidrodiniai dažnai yra didesni ir sunkesni, su mechanine automatinės fokusavimo sistema. Sisteminiai yra lengvesni, kompaktiškesni ir dažnai neturi veidrodžių. Veidrodiniai gali būti greitesni automatinės fokusavimo sistemos prasme, bet sisteminiai siūlo daugiau kūrybinių galimybių ir modernių funkcijų.
2. Kaip sumažinti triukšmą nuotraukose su veidrodiniu fotoaparatu esant prastoms apšvietimo sąlygoms?
Norint sumažinti triukšmą nuotraukose su veidrodiniu fotoaparatu prastomis apšvietimo sąlygomis, galima imtis keleto priemonių. Pirmiausia, naudokite didelį jautrumo skaičių (ISO), bet atkreipkite dėmesį, kad didelis ISO gali padidinti triukšmo lygį. Stabilizuokite fotoaparatą su trikoju arba naudokite stabilizavimo sistemą. Pasirinkite didelės diafragmos skaičių (mažą f-juostinį skaičių), kad padidintumėte gilumą. Taip pat galite pasirinkti objektyvą su dideliu šviesos stiprumu (mažu f-juostiniu skaičiumi). Galiausiai, naudokite šviesos šaltinį arba kitas apšvietimo priemones, jei tai įmanoma.
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