Tamron announces it will soon fix the 28-75mm FE autofocus issue via firmware upgrade!

Image by SonyAlphaBlog

Tamron 28-75mm FE lens at BHphotoAmazon, BuyDig, FocusCamera and Adorama. In Europe at Amazon DE and WexUK.

Today Tamron issued an official statement saying that it will fix the 28-75mm FE autofocus issue (reported here by That1CameraGuy). Nice to see Tamron reacting that quick on the autofocus issue:

Dear Tamron product users and potential purchasers.

Thank you for your interest in Tamron products.

We would like to announce that we discovered some issues with the auto focus of our new lens, 28-75mm F/2.8 Di III RXD (Model A036) for Sony E-mount, 35mm full-frame mirrorless cameras, released on May 24, 2018. The issues occur primarily when using the camera in video recording mode.

Rest assured, we are evaluating the cause of the error and for the solution to this matter. We expect this issue to be resolved very shortly and we will release a firmware update at that time.

Regarding the firmware updating process, please be assured that the process is accomplished directly through the Sony camera and supported by the Sony firmware updating function. As soon as the process is finalized, we will explain the process in detail on our website.

We sincerely apologize to all users and potential purchasers for any inconvenience this issue may cause.

SonyAlphaBlog posted their full review:

For most of its performance it is on par with the Sony 24-70 F2.8 GM except for AF accuracy (SAR note: Fix coming soon)

Pro’s

  • Excellent sharpness globally on par with the Sony 24-70 F2.8 GM
  • Cheap ! (900 euros)
  • Small
  • Quiet AF
  • Very good flare resistance and very low CA
  • Very short minimum focusing distance (19cm)
  • Built in lens corrections

Average

  • Strong vignetting and distorsion but will be corrected with a Lightroom lens profile soon
  • Build quality : quite good but feel a bit plastic

Con’s

  • unreliable AF in AFC
  • only starts at 28mm
  • Unable to shoot at 20fps on A9 (8-9 max)
  • No AF/MF button
  • No focus hold button (so practical to assign to eye AF)

And here are new Tamron lens video tests:

Sony Tidbits…


Sony a7III AF (Autofocus) Sports Test | Sample Photos & Video

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New Sony patent discloses 500 f/4 and 600 f/4 E-mount lens design!

We spotted a brand new Sony patent application filed in 2017 and published now in May. It shows the design and specs of three fast super tele E-mount lenses:

The first lens is the already known 400mm f/2.8.
The second lens is the 500mm f/4.0.
The third lens is the 600mm f/4.0.

I think there is a 90% chance Sony will really launch all the three lenses on market. After the Sony A9 launch Sony stated multiple times that they want to get seriously into the sport-photography market. The 500mm and 600mm are the logical next step after the launch of the new 400mm f/2.8 FE lens.

500mm lens design:

 

600mm lens design:

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Justin:I just did a youtube video on ISO invariance on the sony cameras and why it’s important. https://youtu.be/UZMHvSDxX9s

Jonathan: There’s a comparison between the Laowa 12mm + MSC vs Canon 17mm TSE, and the Laowa comes out of the comparison looking quite good. https://www.youtube.com/watch?v=9kgxEQSBTaw

 

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Sony announces new 5.6 million dots EVF with 240 fps. Perfect for the Sony A7sIII?

Sony announced a new OLED EVF that surely has the potential to be used by the upcoming Sony A7sIII. The new EVF has a 5-6 million dots resolution (up from the 3,69 million dots from the A7rIII). And a refresh rate of 240fps (perfect for motion).

The only downside is that it will start being produced in November only. Which means the A7sIII would be announced this autumn only (maybe Photokina or New York Photoshow).

Here is the press text:

Sony Releases 0.5-type OLED Microdisplay with Top-of-Class UXGA Resolution, Featuring the World’s Smallest Pixel Pitch of 6.3µm

Tokyo, Japan—Sony Corporation today announced the upcoming release of the ECX339A OLED Microdisplay featuring UXGA (1600 x 1200 resolution), the highest in class for a 0.5-type. This product achieves the world’s smallest pixel pitch of 6.3μm by leveraging Sony’s OLED display technology and miniaturization technology, enabling a resolution 1.6x higher than the previous model*1. By employing a new drive circuit design that operates on half the voltage of the previous model*1, the new product achieves the same level of low-power operation as its predecessor but with much higher resolution. When paired with Sony’s original driving system*2, a frame rate up to 240 fps is supported—double that of previous product*1.

0.5-type OLED Microdisplay ECX339A

Enhancing the resolution on microdisplays has traditionally presented problems such as deteriorating image quality due to decreased pixel pitch and inferior viewing angle properties. The new product features optimized transistors layout and process to address uneven characteristics and loss of withstand voltage, the issues associated with transistor miniaturization. The Sony original variation compensation circuit also enhances picture quality. Additionally, the color filter is deposited directly on the silicon substrate, reducing its distance from the light emitting layer, and the filter’s color array has been modified. This helps to secure the viewing angle properties while achieving high resolution.

OLED Microdisplays are widely used in digital camera electronic viewfinders (EVF) for their superior high contrast, high color gamut, and high-speed responsiveness. Sony, having achieved this high resolution and high frame rate, now offers even more realistic image display and accurate capture of subjects for use in high-end cameras that demand extremely high image quality.

Going forward, Sony expects this high-definition OLED Microdisplay to be employed in a diverse range of fields and applications such as AR (augmented reality) and VR (virtual reality) head-mounted displays.

*1Compared with the Sony OLED Microdisplay ECX337A (0.5-type QVGA (1280×960)). *2Driving method of dual vertical line simultaneously (“Dual-line progressive” driving technique)

Main Features

1.High-resolution UXGA in a 0.5-type
The new product has achieved the world’s smallest pixel pitch of 6.3μm by leveraging Sony’s proprietary OLED display technology and miniaturization technology, and has superior resolution 1.6x higher than the previous model*1. Generally, transistor miniaturization results in characteristic variation and reduced withstand voltage. This product uses a Sony original compensation circuit and optimized layouts and process for each individual transistor to address these adverse effects. Furthermore, the color filter is deposited directly on the silicon substrate, reducing its distance from the light emitting layer, and the filter’s color array has been modified to secure the viewing angle properties while achieving high resolution.

2.High-speed frame rate
A new drive circuit design supports a high frame rate of up to 240 fps*2, nearly double that of its predecessor*1. This has made it possible to capture fast-moving subjects in the viewfinder with higher accuracy, so users will not miss a photo opportunity, delivering a more comfortable shooting experience. In head-mounted display devices, this will help to improve image delay issue for items superimposed on real-world vision of AR and to avoid motion sickness during usage of these kinds of devices.

3.Low power consumption
By employing newly-designed peripheral circuits that operate on half the voltage of previous model*1, the new product delivers the same low-power operation as its predecessor when operating at the same frame rate, despite the nearly 1.6x increase in the number of pixels.

via Sony.net

Sony Tidbits…


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

Udo:I am just a enthusiastic non professional. Nevertheless I try my very best. In January this year I’d made a sailing trip in Antarctica. Using my Sony equipment I made the following Video: https://youtu.be/efoBmBf2w-g

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