Hello! Thank you for liking my photo. Yes, the photo was taken by Planar 2/135mm. The flower is between 1.5m to 2m away from me. I used the camera's light view function in full enlarge. The focal point is the centre of the flower. LCD viewfinder viewer can help fine focus. No additional rings added, only mount convert adaptor.
IMHO perfect sharpness and very nice composition. I believe the bokeh here is an adventage of Planar 2/135mm construction over Sonnar 1.8/135mm (or Apo-Sonnar 2/135mm). CZJ Biometar 2.8/120mm has similar type of bokeh. How have You managed the MFD at 1.5m? Is it crop or is it taken with additional rings?
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foongkwonghoi 
