HKAPA Seminar on Butterfly Photography Tips and Techniques
May 4, 2017

PSM Seminar on Butterfly Photography Tips and Techniques
July 30, 2016

AVAA Seminar on Insect Photography Tips and Techniques
July 12, 2016

HKCCPA Seminar on Butterfly Photography Tips and Techniques
November 5, 2015

PSHK Seminar on Butterfly Photography Tips and Techniques
May 29, 2015

GPC & TPC Seminar on Butterfly Photography Tips and Techniques
September 24, 2014

Photoblog.hk PhotoJam Nature Photography Tips and Techniques
November 19, 2014

Tamron Photo Club Seminar on Butterfly Photography
October 20, 2012

HKCPEGU Seminar on Butterfly Photography at Macau MGM Pavilion
September 29, 2012

Lohas Expo Seminar on Bird Watching and Photography Tips
February 12, 2012

HKYMTPA Seminar on Butterfly Photography Tips and Techniques
August 26, 2011

HKSGPA Seminar on Insect Photography Tips and Techniques
October 20, 2011

HKCCPA Seminar on Butterfly Photography Tips and Techniques
November 13, 2011

HKAPF Seminar on Hong Kong Bird Photography Tips and Techniques
September 25, 2010

Chung Yeh Seminar on Butterfly Photography Tips and Techniques
June 24, 2010