I usually shoot in raw but I took some of these in jpeg because I was using continuous shooting and raw binds up the buffer. I was having trouble focusing on the animals as they moved about and I was getting jostled all the time with the huge crowds. (It's national day holiday in China for the week). So I was trying to spot focus ahead of their movement and fire off a bunch of shots. Lots of bad shots but a few were alright.
All of these were with the 55/210 except the last one of the iguana which was with the 50/1.8. I figured in the dark reptile enclosure, that would be better.
It was a hazy afternoon, raining lightly on and off and I was too heavy handed with the shutter speed so I ended up with high iso and some noise. This was the first time I was really using continuous shooting in a non-practice way. I'm usually more deliberate with the number of photos I take, trying to compose them, so I'm still making a lot of noob mistakes but it's great fun. It's been decades since I thought of going to a zoo as fun.
I used the Nik Dfine 2 plug-in in Aperture to reduce the noise and played with the brightness and contrast a little and some minor cropping. Someone had thrown a Pepsi can at the lion and it was directly in front of him so I cloned it out in Aperture.
I don't know how to use Photoshop and I've always felt a little intimidated by it with regards to the learning curve but Aperture and Nik software are pretty straight forward.
I do like that 55/210 very much but the 50/1.8 is my favourite. My next lens purchase will probably be the new 35/1.8 unless I decide to really save my rice money and get that Zeiss 24. I'm not sure if I'm ready to go on that big of a diet though.
Here's a couple more, first with the 55/210, and second with the 50/1.8