Search results for 'sensor cleaning' - page 558
Something cheap, to get me started
Thanks for the tips. The more I look into it the the more options I find. I think I really should get the YN460 but the tinkerer in me wants to get a wireless remote and put a potentiometer in place of the light sensor in my current Sunpak301 to make it manually adjustable. I did see a circuit d...
Posted by Ancly on 02/04/2010 - 12:43
OMG First wedding shoot!
Thanks for your advice so far. My digi only has the crappy in-built flash, that's why i was gonna use t'other cameras. I don't wanna spend all my hard earned on a dedicated speedlight just yet. could I not use a sensor to trigger my old sunpak. I remember Jessops used to do like a little block senso...
Posted by psilosimon on 10/05/2010 - 00:49
OMG First wedding shoot!
Thanks for your advice so far. My digi only has the crappy in-built flash, that's why i was gonna use t'other cameras. I don't wanna spend all my hard earned on a dedicated speedlight just yet. could I not use a sensor to trigger my old sunpak. I remember Jessops used to do like a little block senso...
Posted by johnwhit on 20/05/2010 - 15:52
OMG First wedding shoot!
I don't wanna spend all my hard earned on a dedicated speedlight just yet. could I not use a sensor to trigger my old sunpak. If you decide to get a flashgun in the future, the Metz 48 is significantly more powerful than the Pentax 360 (GN 48 vs GN 36) and also significantly cheaper (£150 vs £250-30...
Posted by MrCynical on 02/06/2010 - 20:24
Faster syncspeed?
Stefan, You can't get a higher sync speed :) HSS is not a 'trick' - it's a necessity. 1/180s is the faster speed at which the leading and trailing curtains of the shutter are both open, exposing the whole of the sensor to the effect of the flash. When the shutter speed is faster than 1/180s,...
Posted by MattMatic on 18/05/2010 - 16:19
Faster syncspeed?
But what's the point? A flash is much shorter than the shutter anyway, so unless your ambient light is very strong compared to the flash, the flash will be your main source of light. Typically, flash duration is less than 1/1000 s, and on low power even shorter. yes precisely, I want to ambient l...
Posted by Anvh on 18/05/2010 - 16:55
Advice about auto focus flashes
Do consider that P-TTL flashguns can be problematic. They are very susceptible to giving imperfect exposure when presented with a shiny surface that reflects the flash light back to the camera. In a dynamic situation, they are a good choice, but so too are the own-sensor flashguns like the AF-28...
Posted by George Lazarette on 28/05/2010 - 23:23
Safe or no? Pentax K-x & Ricoh XR Speedlite 300P flash
Thanks again, gentlemen - you've all been most helpful. I think I may possibly have confused myself about the camera's 1/180th requirement - I went looking in the manual again, to substantiate what I thought I'd seen, and I can't find it again! All I can find is a reference to the built-in flash ...
Posted by BigJacko on 07/07/2010 - 19:37
Safe or no? Pentax K-x & Ricoh XR Speedlite 300P flash
a reference to using the Pentax own-brand external flashes in 'High Speed' mode, which it considers to be speeds above 1/180th (and those proprietary Pentax flashes do this when they're in a special 'HS' mode). HS is a special mode, it actually fires multiple flashes very fast continuously to evenly...
Posted by Anvh on 07/07/2010 - 20:43
Safe or no? Pentax K-x & Ricoh XR Speedlite 300P flash
HS is a special mode, it actually fires multiple flashes very fast continuously to evenly lit the whole sensor. I believe it even times the flashes according to the shutters and how fast they move. That's useful to know - thanks, Stefan. I guess (for me) that'll have to wait until one day in the fu...
Posted by BigJacko on 07/07/2010 - 21:21
Safe or no? Pentax K-x & Ricoh XR Speedlite 300P flash
Indeed, you're quite right. I hadn't noticed that. Still - I don't think it matters... I'll try 1/160 and 1/125 and see what I get! No there is hardly any difference so don't worry. With the K10D it actually stop firing the flash when you set the shutterspeed at 1/200 or above, don't know if that's...
Posted by Anvh on 07/07/2010 - 22:02
Pentax AF240Z questions
It is just coincidence that the flashgun has seemed to work while your camera is set to Program mode. Boz's site explains the ins and outs, but basically, the flash shuts off when its sensor detects sufficient light for a camera set to the given ISO and aperture. It has no way of checking that tho...
Posted by George Lazarette on 14/07/2010 - 22:30
flash for Pentax ds primary for weddings
George, would you next time please check your comment on spelling mistakes and use some points and paragraphs to make it easier to read. I know it's just a forum but we are all here quite strict when it comes to that, you're still allowed to make mistakes but it must be easy to read and not have on...
Posted by Anvh on 06/08/2010 - 08:41
Cobra 450af what will happen
I'm basing that assumption on the fact that if I set both camera and flash to P, then change the ISO on the camera, the aperture changes to match (when compared to the ISO table on the flash). Shutter speed seems to stay far lower than the sync speed of 1/180 but I've never had any problems with blu...
Posted by Dangermouse on 04/09/2010 - 15:40
Wide angle flash
With regards to wide angle flash coverage, surely this is one of those times when a 35mm lens is a 35mm lens, regardless of whether it's on a film or an APS-C sensor body? I know I get very dark corners from a flash intended to work with a 35mm lens if I use it with an 18mm. Add the cheap diffuser I...
Posted by Dangermouse on 21/08/2010 - 14:13
Wide angle flash
With regards to wide angle flash coverage, surely this is one of those times when a 35mm lens is a 35mm lens, regardless of whether it's on a film or an APS-C sensor body? I know I get very dark corners from a flash intended to work with a 35mm lens if I use it with an 18mm. Add the cheap diffuser I...
Posted by Anvh on 21/08/2010 - 17:08
Pump me full of flash photogrpahy!
What about the built in "diffuser"? You know that plastic thing that goes over the flash (and also the white paper) By the way, how do I adjust the strength or power of the flash? What mode is best to shoot in on the Kx etc. That diffuser is when you use it for wide angle lenses, the diffuser mos...
Posted by Anvh on 28/08/2010 - 12:52
Off-camera flash bracket advice?
I just don't see much point in buying something like an AF400T when I can't use anything other than the manual mode. Not so, the AF400t also has 'Auto' mode and has its own sensor which measures the light reflected back by the subject. :wink: I find this more reliable than P-TTL quite often.
Posted by gartmore on 02/09/2010 - 12:21
High Speed Flash Sync
BTW, don't think that HSS is simple :P It involves creating multiple bursts of light as the shutter progresses. 1/180s is the fastest speed where the sensor is completely exposed in one go. Faster shutter speeds are achieved by creating a moving 'slot' between the leading and trailing curtains...
Posted by MattMatic on 23/09/2010 - 11:13
continuous flash shooting
What it means Peter. I don't know what your problem is, flash output is quite understandable. flash = burst of light output = (something that comes out) production, energy, power, ect. I don't think the OP is retarded :roll: If you mean "use a wider/larger aperture", why not say so? That'...
Posted by Anvh on 21/10/2010 - 12:06
