February 2, 2015
Posted in news

Sony makes Photon Counting Pixel sensor.

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Sony single-photon pixel-3

Sony has a new idea to improve the image quality at very low light conditions. They propose a new tech that actually counts every single photo hitting the sensor:

since a pixel signal is extremely weak when weak light is detected, it is desirable to reflect electrons generated from photoelectric conversion on intensity of the pixel signal while losing as few electrons as possible. In general, however, when electrons generated in a photodiode are transferred to a floating diffusion, carriers (electrons) are doped at an interface level generated due to a defect present on a gate oxide film interface (interface defect) of a transfer transistor.

there is provided an image sensor including pixels each configured to include a transfer transistor configured as an embedded channel type MOS transistor and to output a pixel signal based on a charge transferred to a floating diffusion from a photodiode by the transfer transistor in an on state, and a determination unit configured to convert the output pixel signal to a digital value, then compare the converted digital value to a threshold value, and thereby make a binary determination on presence or absence of incidence of a photon on the pixel that has generated the pixel signal. Accordingly, the image sensor that makes a binary determination on presence or absence of incidence of a photon on a pixel exhibits the effect of reducing influence of an interface state on the transfer transistor.

We don’t know yet how big the improvement is. But maybe the day is not far away we will get a new A7sX with 1 million ISO :)

via Image Sensor World.

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February 1, 2015
Posted in deals

The first Sony Full Frame E-mount camera just got a $1,000 price drop! VG900 for $2,298.

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VG900

The very first Full Frame E-mount camera wasn’t the A7/r. It was the VG900 camcorder. And that cam just got a $1,000 rebate today at Amazon, Adorama, BHphoto and SonyStore. I would not be surprised to see a successor coming in late March-early April right before the NAB show starts.

Super A7r and A7s deals, US boxed (no grey import) and full warranty:
A7s for $1,995 on eBay (Click here)
A7r for $1,795 oneBay (Click here).

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February 1, 2015
Posted in news

New Sony 70-300mm SSM II Lens to ship on February 20. And two more lenses coming at CP+

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70-300mmSonyA-mount

The new 70-300mm II A-mount lens will finally ship on February 20 at BHphoto (Click here) or February 24 at Amazon (Click here). The lens has been announced back in late November along the A7II.

And A-mount camera owners should know that two more “Updated” A-mount lenses will be shown at CP+ in February:

sony_20141120_012

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February 1, 2015
Posted in news

This week SAR readers photos selection.

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0_120ce6_aac9347a_X4L
Trubak on SonyAlphaForum
Glacier Perito Moreno, Argentina
A99 + Zeiss 24-70/2.8

1) Submit your picture with a message and picture here: facebook.com/sonyalpharumors or on the SonyAlphaForum image section.
2) Like and comment the pictures from other readers here: facebook.com/sonyalpharumors/photos_stream?tab=photos and on SonyAlphaForum.
3) A selection of most liked pictures by the community and by me SAR admin will be posted weekly on SAR.

Note: When sending a pic feel free to also add a link to your site to promote yourself!

Read the rest of this entry →

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