EOS 5D MarkII
SIGMA 15mm F2.8 EX DG FISHEYE For Nikon
Nikon → Canon conversion adapter
ISO 4000
F2.8 → F22 & Focus ∞→ macro
48sec

photography method
(1)First setting is bulb mode and ISO4000
(2) Next setting is F2.8(aperture ring scale → F2.laza
(3) Next is focus setting on the star(focus ring scale→∞)
(4)Shutter ON
(5)30-50 sec exposure
(6)Change it for F22(aperture ring scale → F22)
(7)Change focus into a Leaf(focus　ring　scale→macro)
(lazalight the Leaf with LED.
(9)Shutter OFF


Link
kacsint