PentaxForums.com - View Single Post - Comparing current PTTL-compatible flash options

Deni · 06-10-2008, 08:38 AM

Deni, are you referring to the Digital Concepts flash in your signature?

yes I am.

Are you sure it's really P-TTL?

It has be. It does underexpose by about half a stop but it is consistent. If it wasn't pttl it wouldn't be consistent.

You may just have to use exposure comp

I'm doing just that, but sometimes it'll underexpose massively even if I dial +2ev. I don't know if it's a problem with the flash or the batteries. I'm using eneloops.

shoot in auto mode if the flash has a sensor

I haven't found an auto mode so I guess the flash doesn't have a thyristor sensor.

It can go manually to 1/16, 1/8, 1/4, 1/2 and full power manually though.

06-10-2008, 08:38 AM	#49
Deni Loyal Member Join Date: May 2007 Location: Tirana, Albania, South Europe, Planet Earth Gallery Photos: 14 Posts: 449	Deni, are you referring to the Digital Concepts flash in your signature? yes I am. Are you sure it's really P-TTL? It has be. It does underexpose by about half a stop but it is consistent. If it wasn't pttl it wouldn't be consistent. You may just have to use exposure comp I'm doing just that, but sometimes it'll underexpose massively even if I dial +2ev. I don't know if it's a problem with the flash or the batteries. I'm using eneloops. shoot in auto mode if the flash has a sensor I haven't found an auto mode so I guess the flash doesn't have a thyristor sensor. It can go manually to 1/16, 1/8, 1/4, 1/2 and full power manually though. __________________ Cameras: Pentax K100D; Fuji FinePix F20 p&s; Lenses: Sigma 28-70mm f/2.8 ex dg; Pentax SMC DA 18-55mm f/3.5-5.6 AL; Super Takumar 50mm f/1.4 + m42-k converter; Tamron 28-200mm f/3.8-5.6 XR IF; Vivitar 70-205mm f/3.8; Vivitar 2x macro converter; Accessories: Digital Concepts p-ttl flash; Twin Thyristor Flash; Pentax Magnifying Eyecup O-ME53, OFFICIAL Pentax O-ICK1 image sensor cleaning kit;