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rastapartaman 
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Joined: 03 March 2007 Country: Portugal Location: Berkshire Status: Offline Posts: 525 |
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 Posted: 15 May 2022 at 01:29 |
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A bit off topic but the one of the best macro ring flashes I've used is the Metz Mecablitz 15 MS-1. Affordable and extremely cheap if compared to the MFC-1000. You can change the angle of the light on each side. Manual power and TTL, can be triggered wirelessly with the pop up flash in wireless mode. And compatible with canon, Nikon and Olympus. One flash for 4 systems
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neilt3
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Joined: 13 September 2010 Country: United Kingdom Location: Manchester.U.K Status: Offline Posts: 3559 |
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Posted: 15 May 2022 at 01:43 |
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It's probably worth noting that the Metz isn't a ring flash but a twin flash whose two flash units are fixed on opposite sides . The twin flash set up that you can use on the MFC-1000 can have there positions altered to a certain degree to give a bit more depth to the lighting . The Minolta ring flash isn't a true ring flash either , but having four flashes that can be set to on or off independently , you have more control of the lighting . I also have true ring flashes who have a circular flash tube , but the downside to these it unless to mess about with bits of tape to block out the light , you end up with quite a flat lighting . |
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gigo
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Joined: 28 March 2008 Country: Japan Location: Yokohama Status: Offline Posts: 467 |
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Posted: 15 May 2022 at 01:46 |
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>The 3x-1x Macro lens and the minolta slide copy unit 1000 do not consider the installation of third-party ring flashes at all. For this reason I have no choice but the MFC-1000. |
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ILCE-1, FE:14/24/35/STF/135/100400GM, 90M/2070/70200G2/200600G+6, 1.4x/2xTC
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michelb
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Joined: 26 August 2009 Country: Canada Location: Montréal Status: Offline Posts: 736 |
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Posted: 15 May 2022 at 02:32 |
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The Metz 15 MS-1 is a WL flash only for TTL operation (the supplied PC cable will only operate in Manual mode) so if your body does not have a built-in flash, you need to add a control flash on the body.
So on Sony's A900, A850, A99, A99II and all of Sony's mirrorless bodies, you will need to add that piece of equipment which is not that affordable anymore. Using it in Manual mode is also a challenge since i found the menu to set this up and change settings is somewhat difficult to understand and use in real shooting situations. |
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Michel B
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Phil Wood
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Joined: 24 March 2013 Country: United Kingdom Location: England Status: Offline Posts: 3309 |
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Posted: 15 May 2022 at 09:53 |
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Cheap? 
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neilt3
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Joined: 13 September 2010 Country: United Kingdom Location: Manchester.U.K Status: Offline Posts: 3559 |
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Posted: 15 May 2022 at 10:42 |
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You might want to shop around a bit , I've seen them for a bit less than that !  I think when I was looking into getting one they were around £250 new or about £170 used . I carried on with a Centon ringflash untill I got hold off the MFC-1000 . Edited by neilt3 - 15 May 2022 at 10:46 |
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amrep
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Joined: 02 February 2015 Country: Norway Status: Offline Posts: 322 |
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Posted: 15 May 2022 at 14:56 |
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FYI
The manual for MFC-1000 with twin flash 2400 and ring flash 1200 is here: http://derrybryson.com/manuals/Minolta/MINOLTA%20ACCESSORIES/Macro%20Ring%20Flash%202400/Macro%20Flash%20Manual.pdf |
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Phil Wood
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Posted: 15 May 2022 at 17:48 |
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The manual is also on manualslib, but it didn't help me as it pre-dates electronic shutters.
And MPB have the Metz for £69 - a somewhat more reasonable price. |
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XKAES
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Joined: 24 September 2021 Country: United States Location: Colorado Status: Offline Posts: 362 |
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Posted: 19 May 2022 at 01:49 |
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I just received my iISO off-camera flash cable, and it indeed lacks the hole in the flash end of the cable that sets an ADI flash into TTL mode. So no modification was needed. It is from the PRE-ADI Minolta flash years, but does not have the typical, round, Minolta flash connection. It has the iISO shoe on both ends instead.
Running simple tests with the camera at a fixed distance, and with the flash at different distances from the subject, confirms that the camera and flash are operating in ADI mode. When the flash in close to the subject it is over-exposed, and when farther away, underexposed. The flash operates according to the distance of the camera -- not the flash distance. In TTL mode, the exposures would have been adjusted by the camera sensor. Also, when the flash is moved off-camera, but at the same distance to the subject as the flash, the exposures are correct -- adjusting for the Cosine Law (angle of the flash away from the camera), of course. This confirms that ADI works fine with the flash off-camera, as I imagined. It's perfect for use on a flash bracket to eliminate red-eye and flat-flash effect. If you have a newer off-camera flash cable, simply fill the hole in the cable's flash shoe with a removable piece of plastic, and ADI will work fine. This may not help the original ring-flash problem, but it might be of interest to many flash users. Edited by XKAES - 19 May 2022 at 14:04 |
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XKAES
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Joined: 24 September 2021 Country: United States Location: Colorado Status: Offline Posts: 362 |
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Posted: 19 May 2022 at 16:07 |
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I should add that if you are looking for an off-cable that you can use in ADI mode without modification, you have to find one for the second generation of MAXXUM cameras. The first MAXXUM cameras used the typical ISO flash shoe, while the next generation used the iISO style but without ADI capability. Later, the ADI capability was added and the cables were modified to turn OFF ADI flash when the flash is off-camera.
So it's best to find the second generation cables -- these are the least expensive anyway. You can always use TTL flash with these cables by setting the camera or flash to TTL-mode. |
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XKAES
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Joined: 24 September 2021 Country: United States Location: Colorado Status: Offline Posts: 362 |
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Posted: 20 May 2022 at 21:40 |
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As my simple test shows, the flash can be kept in ADI mode -- very easily -- when the ADI-capable flash is off-camera. It is however important to keep the flash at the same distance as the camera -- keeping in mind the Cosine Law for off-angle exposure. |
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sybersitizen
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Joined: 04 August 2006 Country: United States Location: California Status: Offline Posts: 14453 |
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Posted: 21 May 2022 at 22:57 |
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All the folks talking about ADI seem to imply that the subject distance determines everything. According to Sony's and Minolta's documentation, it doesn't. The subject distance is taken into account along with subject reflectivity (TTL). Of course, if ADI can do what you want better than pure TTL can, by all means use it. But in my case it has never represented a benefit.
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XKAES
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Joined: 24 September 2021 Country: United States Location: Colorado Status: Offline Posts: 362 |
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Posted: 22 May 2022 at 01:04 |
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That's as clear as mud.
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sybersitizen
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Posted: 22 May 2022 at 06:25 |
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I'll try again. ADI does not work just based on distance info. It combines distance info with pre-flash TTL measurements. That theoretically permits more accurate flash exposures than pre-flash TTL alone.
Is that clearer? However, I and other longtime A-mount users have repeatedly found that ADI is not actually beneficial for our uses, and can sometimes behave unpredictably, so we avoid it. Is that clearer? Finally, I think anyone who does find ADI more beneficial than pure pre-flash TTL without ADI should use it. Is that clearer? |
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rastapartaman wrote:
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