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In the manual it says that the SL will sync with flash at 1/250. When I use the camera with Bron Visatec strobes I can only sync with 1/160 sec or slower. Using faster shutter speeds will result in a image that is dark in the bottom due to the shutter blocking the sensor when the flash goes off. Am I wrong?

Today I finally got around to testing the SF-64 that I purchased 3 weeks ago. In summary: it's great! Seems to deal with every test I tried. A tad large. Caveat: I did not test every possible combination of settings and usage. I only tested the scenarios that I am likely to use: Fill-flash just to pop an almost indiscernible amount of light into shadows on a face - must not look like a flash has been used Indoor shots when there's not enough ambient light to hand-hold safely and there's something to bounce the light from (white ceiling or wall, reflector, umbrella) The SL and this SF64 (and FW 2.0) lets me do these two things easily. I mainly tested Aperture priority but I did test some Manual and Program. Mainly, I was playing with the Flash Exposure Compensation (FEC) to get the right balance of ambient and flash. The SF64 is big but not out of place on the SL / 24-90mm combination. The handling balance is still comfortable. The controls on the back of the SF64 are mainly touch-screen but nice and easy to see and press. It's great that it displays the camera's aperture setting and also the distance range (min to max) that the flash can cover in the current setting. A nice feature is the ability to adjust the FEC on either the flash or in the SL menu. With the FEC now assignable to the favourites menu and a button shortcut, it's easy to change the FEC on either device. If you change it on one, it updates on the other. If you have saved an FEC in your profiles, that becomes the starting point for the FEC whenever you switch the flash on. This Hacienda photo has just a tiny bit of fill flash (FEC = -2). Similar images shot with the flash turned off are somewhat darker inside the funnel of the flower. Sunny afternoon but the flower is mainly lit from behind. 90mm 1/90s f4.0 ISO100 I did a quick comparison with the SF40. While the SF40 functions well for some settings, it tends to over-expose shots where the main subject is close to the flash. And, the FEC range of +2 to -2 is a bit limited for fill-flash. As others have noted, one thing that's not quite working as expected is using Flash with Auto-ISO. As soon as the flash is turned on, the ISO locks in to the lowest number in the Auto-ISO range, in my case ISO100. I guess that the complexity of having the ISO change is too much for the flash TTL algorithm to handle. Others are concerned about this but I prefer setting the ISO to a fixed number for most images, especially when flash is involved as my brain struggles to calculate the probable results of too many changing variables... Regards Peter

Hello everyone: my name is Maurizio and I'm Italian. This is my first post here although I registered years ago. I'm writing because I have a problem with a flash on my Leica M9, which I can not solve. I have a nikon SB-900 flash that works in manual regularly on the M9. Now I have bought a Debao SU-800 remote commander but the signal does not reach the flash. (Debao work normally with my nikon camera). (I know it's shameful to apply a Debao in a leica m9). Naturally I set the same "communication channel" and "group name" in commander and remote flash. When I shoot the remote flash does not turn on One more thing: When the test lamp, in the SU-800, is red, I press the test button, and the flash turns on but after a couple of seconds. Can someone help me solve this problem? Thank you very much for helping. (I apologize for my bad english)

Dear M10 Friends and Users: I am wondering if any one has tried to use the Lightpix Flash Q20 with the digital Leica M. If you are not aware, Lightpix Flash Q20 is a cheap and wireless method of using flash with cameras. Here's a video on Youtube. From the FlickR page, I found this photo but not sure if they actually used the flash with the camera! Look forward to your responses. I am not affiliated with this company in any way.

After an experiment with the SF58 (which I thought had a crackpot interface) I use a 'Nikon' Nissan Di700a and wireless 'air commander' with my Q and my SL. I use it completely manually - which isn't too bad if you spent the earlier part of your life with a Vivitar 283, plus modern digital cameras give us the chance to take a test shot and see how we are doing. I wouldn't mind the opportunity to use a flash TTL and of course high speed synch on the SL would be nice - though that's not such a problem with a Q of course. Have we formed the impression the new C1/SF60 will allow this? I feel so bruised by my experience with the SF 58 (which I could only ever operate manually) that I was wary about the Leica 64 and sf40 flashes. Anyone have advice to offer for a TTL solution including wireless control? Has anyone actually set eyes on a C1 wireless commander? Of course it would be lovely if I could buy one of those and continue using my di700a but nothing in life works like that. Thanks

Hello everyone, I was wondering if someone else is having a problemi with the new flash and wireless controller. My Leica CL doesn't fire the flash. It doesn't work it TTL more neither in manual. The SC1 has the same issue. What is your experience with the flash? Thanks for the help.

Will all the Leica SF units ie 20/24/26/40 etc work in TTL with the CL?? thanks

Hello everyone, has anyone of you tried to use a SF 64 flash on a non Leica Camera? I bought it to use on M10, but I'd like to use it also on Fuji or DSRL cameras. Is it safe to use it this way? Are there voltage issues? Is it risky? I know that is a rebranded and adapted Metz flash. Of course I understand that TTL mode won't work on a non Leica camera... but automatic mode will do? Thanks Simone