Search results for 'sensor cleaning' - page 557
Optical trigger !?
I setled on the Vivitar 283 as they are very cheap, plentiful and powerful. They need the VP1 varipower module to operate in a fully variable mode, this plugs in in front of the flash in place of the sensor. The range available is from full power down to about -5.5 stops. Unfortunately this mo...
Posted by stu49 on 19/11/2009 - 19:01
AF 160fc- macro attachment
Thank you gentlemen. I use a 100mm DA lens, originally with the af 140C using the rings. I was thus able to get closer to the subject. :D The coupling tube increases the flash -sensor distance by the length of the tube (approx. 6cm) Since the purpose of ring flash is for close up work, I jus...
Posted by neill on 06/12/2009 - 10:46
flash at above 1/180 ??
The limitation of 1/180s is a mechanical one. That is the fastest speed where both curtains of the shutter are completely "open". When using dedicated flashes in P-TTL "HS" mode the flash has to "pepper" the frame with light as the leading and trailing curtains of the shutter unit move across th...
Posted by MattMatic on 04/12/2009 - 06:40
flash at above 1/180 ??
The limitation of 1/180s is a mechanical one. That is the fastest speed where both curtains of the shutter are completely "open". When using dedicated flashes in P-TTL "HS" mode the flash has to "pepper" the frame with light as the leading and trailing curtains of the shutter unit move across th...
Posted by stu49 on 04/12/2009 - 10:39
How many flash units can you use and other questions
Same question as Peter, do you not need a slave unit to fire the flashes? or does it work directly camera hot-shoe -> flash Ir sensor? If this is the case, it would be revolutionary to my shooting!
Posted by nathanever82 on 07/12/2009 - 12:18
Is the camera shop having me on?
I found that using the smart auto (A) setting on my Metz 54 MZ-3 much more accurate. It is even more accurate then P-TTL in most cases. I use P-TTL when doing high speed sync and for some lighting when doing portraits. For the rest my Metz 58 is in 'A' mode. I still wonder why a cheap light sen...
Posted by golfdiesel on 08/12/2009 - 15:38
Is a manual flash OK for macro photos
When using a flash in fully "M" mode you have to: a) keep the flash-to-subject distance constant b) keep the aperture constant If you can work with those restrictions then you'll have no problem ;-) Although you can use the flash on "A" (where the flash meters the scene), the flash's sensor ...
Posted by MattMatic on 15/12/2009 - 15:56
flash and manual [m] lens on a K10
It will not work if the lens is not in A-mode. These are all the P-TTl flashes, as long as they have Auto or Manual they will work. Ignore the Full and Full or ¹⁄₁₆ of the Pentax AF200 and the Sigma EF-530 DG ST, those aren't useful, all that says steps are. Manual does no...
Posted by Anvh on 06/01/2010 - 13:06
K7 and flash synchro-speed
Flash sync is only influenced by the shutter cutains. It could be that sony calibrated it very critical to get the higher sync numbers, probably they took the number on which they knew the curtains aren't infront of the sensor. Because the SR move the sensor it needs to have a bit more room so a l...
Posted by Anvh on 16/01/2010 - 16:33
Vivitar Thyristor 2500 - dead!
The only problem that I have ever encountered with Vivitar flashguns is that of tarnished or corroded battery contacts. They do not need to be obviously corroded to cause problems. Try cleaning them with some wadding type metal polish, the stuff that used to be called "Duraglit" (now "Brasso Duragli...
Posted by digikid-tv on 13/02/2010 - 10:03
Vivitar Thyristor 2500 - dead!
My old Vivitar 283 had a similar problem and a good cleaning of the battery contacts solved it. The main issue was the contacts in the removable battery container, but I don't know whether the 2500 uses a similar design. Al
Posted by Aero on 13/02/2010 - 14:39
Vivitar Thyristor 2500 - dead!
Fixed it, it was the battery contacts - on the sliding door that you have to dismantle the unit to get at the contacts. I used a RS Components 'propelling pencil' with abrasive fibreglass strands for contact cleaning. http://uk.rs-online.com/web/search/searchBrowseAction.html?method=getProduct...
Posted by Lloydy on 13/02/2010 - 18:41
AFg 360Z
Any known ways to do it out there ?? Yup :D You'll need to: 1) Put the camera in "M". Select a suitable shutter speed, e.g. 1/60s, and an aperture that suits the scene - say f/8. Set the ISO according to the amount of ambient light - start around ISO400 or ISO800 2) Put the flash in "A" mode...
Posted by MattMatic on 20/04/2010 - 08:46
Vivitar 6000 Ring Flash on K20 or K200
I understand TTL does not operate on K200 and K20, but what should I expect to happen if I set it to Auto. Generally, a flash having one or more 'Auto' settings has a built-in light sensor to control the flash duration. This in turn controls the exposure.
Posted by Mannesty on 24/02/2010 - 23:04
Vivitar 6000 Ring Flash on K20 or K200
Generally, a flash having one or more 'Auto' settings has a built-in light sensor to control the flash duration. This in turn controls the exposure. Does that mean you can set any aperture and shutter speed and the flash unit compensates itself? That sounds too easy!!
Posted by bforbes on 24/02/2010 - 23:13
Vivitar 6000 Ring Flash on K20 or K200
Generally, a flash having one or more 'Auto' settings has a built-in light sensor to control the flash duration. This in turn controls the exposure. Does that mean you can set any aperture and shutter speed and the flash unit compensates itself? That sounds too easy!! No, the flash will tell you to ...
Posted by gartmore on 25/02/2010 - 09:13
which flash?
Okay that's quite something. ^^ For beginners the best flash for the money is the Metz48, it has almost all the feature you need or want from a flash. It has a swivel head, wireless mode, powerful and it has a useful manual mode The only obvious drawbacks are that it can not give commands t...
Posted by Anvh on 26/02/2010 - 10:22
Ring Flash On Pentax DSLR
The camera was set on "X" mode with the ring flash on Auto mode. It'll be the auto flash that caused the problem then as it's output/flash duration would have been determined by an on-board sensor, and it got it wrong.
Posted by Mannesty on 02/03/2010 - 15:48
begginers flash umbrella & stand
@bladerunneruk I got it wrong you can use the Westcot on everything as long as it fits inside and it has an umbrella holder. There are different types btw. here watch this @James do you need to use an adapter with yours? The Westcott 28" is €159 so £136. They also had Creative Lighting sof...
Posted by Anvh on 14/05/2010 - 22:20
AF-200s
Depends on what Metz you've. What I mean is all pentax flashes work on pentax camera is that the trigger voltage are safe, with some older flashes the trigger voltage can be 200+ and it's the question if the camera likes that or not. The standard voltage for the hotshoe is 24v and I believe most pe...
Posted by Anvh on 11/03/2010 - 20:24
