Sigma 45mm f/2.8 DG DN ‘C’ lens review with samples (Full-frame & APS-C)

Back Up Photos and Videos Automatically with the HYPER HyperCube (Explora).
Sony Alpha A7R IV Review (Neocamera).
Sony Outstanding Engineer Awards (Image Sensor World).
Sensor Size Sweet Spot is APS-C and not Full Frame, Claim These Industry Insiders (Fujirumors).
The SHARPEST A7III LENS I’ve ever used – Sigma 35mm F1.2 (Chris Brockhurst).
Sony 35mm f/1.8 FE test at DC.watch
Tiny Camera, Many Uses – Sony RX100 VII Review (TheSnapChick).

Personal photos and tests from SAR Admin Andrea on Instagram, Twitter, Facebook, Flickr and 500px.

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I kindly invite you all to follow our RSS feed, follow us on Facebook and Twitter to not miss news and rumors

Adobe has officially added the RAW support for the Sony A9II. What’s interesting is that they also added support for the Zeiss ZX1 which is now likely to be fully released very soon.

One more software news: Sony’s Imaging Edge software added full Mac Catalina support!

Sony a9 (Three Years Later) Review: Part 1 | 4K

How computational photography is making your photos better (Engadget).
Sigma 45mm F2.8 DG DN Review (Photographyblog).
Walk the Road of Better Audio with the RØDE NTG5 Short Shotgun Mic (Explora).
Sony Takes Home 7 Lucie Technical Awards (Alphauniverse).
Sony A9 II, ¿actualización menor o lo que necesitan los profesionales? (Photolari).
Easier Autofocus Tracking: Sony vs Nikon Z (TheSnapChick).
Samyang AF 35mm f1.4 FE review (CameraLabs).

Personal photos and tests from SAR Admin Andrea on Instagram, Twitter, Facebook, Flickr and 500px.

Join the new Sony Alpha Camera Facebook group.
To get news from our Forum subscribe that RSS feed.
I kindly invite you all to follow our RSS feed, follow us on Facebook and Twitter to not miss news and rumors

It’s Christmas time and everyone can express their wishes today :)  What’s the camera and lens you hope to get from Sony in 2020?

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My crazy wishes: Sony 645 medium format system camera and the 21mm f/1.4 GM

2019 is over and it’s time to YOU let manufacturers now which one was the best camera and best lens announcement of the year:

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My two cent: I will choose the Sony A7rIV and the Sony 200-600mm FE lens.

This isn’t strictly related to Alpha gear but it’s nice t see Sony pushing boundaries on their mobile sensor tech:

Press text:

2×2 On-Chip Lens Solution

A new pixel structure for mobile image sensors

The 2×2 On-Chip Lens (OCL) solution is a new image sensor technology for achieving high-speed focus, high-resolution, high-sensitivity, and high dynamic range.

In conventional technologies, the variance in sensitivity per pixel caused by the structure (described below), which places an on-chip lens that spans four pixels, was a major issue. However, we have successfully developed a high-performance image sensor with high image quality through optimization of the device structure and the development of a new signal processing technology.

Pixel structure

A condenser lens called an “on-chip lens” is placed on top of the image sensor pixels.
Conventional on-chip lenses were placed on each pixel. However, four adjacent pixels with the same color share one on-chip lens in 2×2 OCL.

The following benefits are realized as a result:

• Phase differences can be detected across all pixels
• Improved phase difference detection performance (focus performance)

Phase differences can be detected across all pixels

Since conventional methods for detecting phase differences used dedicated pixels with no imaging functionality, only a small number of pixels could be used as detection pixels.
Due to the fact that the imaging pixels can be used as detection pixels in the 2×2 OCL method, phase differences can be detected across all pixels. As a result, the sensor can focus on even small objects with high accuracy.

Improved phase difference detection performance (focus performance)

Focus performance at low light intensity

To achieve stable focus performance at low light intensity, the information obtained from multiple phase difference detection pixels must be integrated and the impact of the noise eliminated.
As mentioned above, 2×2 OCL is able to detect phase differences across all pixels, which makes it possible to integrate more information and achieve a stable focus performance.

• Conventional technology

• 2×2 OCL

Focus performance that does not depend on the object shape or pattern

Since conventional phase difference detection methods separated the pixels laterally for detection, they were not very good at detecting objects which lacked pattern change in the horizontal direction (ex: objects composed of edges in the horizontal direction).
However, 2×2 OCL is able to detect vertically in addition to horizontally, which enables high-speed auto focus using phase differences in every situation.

The figures below show the phase difference detection characteristics of objects with edges at various angles:

Color filter array with a Quad Bayer structure

Adopting a color filter array with a Quad Bayer structure that places four pixels with the same color next to each other addresses the needs of both high sensitivity and high resolution. In addition, it also supports High Dynamic Range (HDR) imaging.

High resolution

Array conversion through a unique signal processing function enables high resolution imaging.

High sensitivity

Bright images and videos with low noise can be captured by adding together the four adjacent pixels with the same color. Moreover, improved sensitivity is realized through the design and production technology of the 2×2 OCL which increases the efficiency of light utilization.

High Dynamic Range (HDR)

Real-time HDR output is possible through a unique exposure control technology and signal processing function.

Sha Lu‎
Cormorant and rainbow trout. A9 + 600mm GM + 2X TC.
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