Hello. Yes, the photo was taken on a Sony a7r2 with the E bynet version and is available at the link in full size.
What can I say? I'm an amateur and everything is simple for me: I like the picture as a whole or not.
Yes, I'm very pleased, this is my first manual Chinese 28mm lens. I expected the worst result. I especially like how it smoothly blurs the background. Without rattling and tin.
Initially, I wanted to take the new Nokton 28 / 1.5 sony e. But there are difficulties with buying from Japan and while I was looking for an opportunity to bring it, I bought Simera. And now, comparing the results from my copy with what is on the Internet, I refused to buy Nokton 28 / 1.5 sony e. After all, these are completely different glasses and I like the Simera pattern better.
The glass works very well at a minimum distance and in portrait modes. Here it is the sharpest. In the far field it is a little worse. Aperture 1.4 is definitely working, the dog was photographed with it.
Unfortunately, I don't remember what aperture values everything was shot at, at close distances usually 1.4 - 2.0, at long distances I didn't clamp it more than 8.0. At medium distances it shows itself well at 4.0 - 5.6