On-board flash & 2nd curtain sync

Started Jun 12, 2011 | Discussions
deonh Junior Member • Posts: 36
On-board flash & 2nd curtain sync

Hi there.

I am studying the manual of my 7D and as I go along, discover many thing I either didn't know or don't understand.

Such are the setting of the on-board flash. Is it able to set the flash on 2nd curtain sync? I am not able to change it from 1st curtain sync to 2nd curtain sync. Just to double check myself, I have noticed that my 40D can have the on-board flash set to 2nd curtain sync.

Am I missing something or is it so that the 7D's on-board flash cannot be set to 2nd curtain sync?

Regards,
Deon

bhollis
bhollis Veteran Member • Posts: 3,925
Re: On-board flash & 2nd curtain sync

See pages 115-117 of the 7D manual.

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MisterPootieCat
MisterPootieCat Veteran Member • Posts: 3,123
Check wireless function setting

deonh wrote:

Hi there.

I am studying the manual of my 7D and as I go along, discover many thing I either didn't know or don't understand.

Such are the setting of the on-board flash. Is it able to set the flash on 2nd curtain sync? I am not able to change it from 1st curtain sync to 2nd curtain sync. Just to double check myself, I have noticed that my 40D can have the on-board flash set to 2nd curtain sync.

Am I missing something or is it so that the 7D's on-board flash cannot be set to 2nd curtain sync?

Regards,
Deon

Second curtain sync is disabled if you have the inbuilt flash wireless function enabled. There might be other settings that would disable the setting, this one had me puzzled for awhile.

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Rubenski
Rubenski New Member • Posts: 1
Re: Check wireless function setting

I discovered that second curtain cannot be used at all when using off camera flash units (or wired or with remote control). It irritates me because when dragging the shutter or just to get some ambient light in I now get flash light spilled all over the scene, particularly in smaller spaces. I read there're some technical reasons for it but it's a bummer after all.

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ScratchDisk Veteran Member • Posts: 3,802
re Second curtain Sync

Hi, (This is an old thread!) The two limitations with SCS and Canon comprise 1) Canon Wireless and 2) Shutter speed.

All forms of 'Canon Wireless' are not compatible with SCS - that includes all variations under the old IR/Light comms version and even the new Radio 'RT' version too.

Most Canon bodies only actually operate in SCS (even when SCS is correctly enabled) with 1/30th or slower shutter speeds.

Conversely, SCS is preserved over an OC-E3 cord - or - any perfect (?long) clone of same. Also some TTL triggers also allow wireless flash triggering under SCS, namely the TTL PWs (Mini & Flex) and Phottix's Odin system. I use the latter. Cheers, Donald

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