Hotshoe Triggered HSS Flash Options for 645z?

toomuchgelatin · 11-27-2016, 09:20 AM

I have a 645z. I don't need wireless triggering, I just want a flash that I can put on the hotshoe and trigger above 1/125 of a second. I want to shoot handheld but still pop the flash and avoid mirror slap or hand shake blur. I just want to get to around 1/500 or 1/1000.

What are my options for this? It's hard to tell, since many of the speedlights seem to work as slaves only with P-TTL. I'll keep a running tally here as people give me advice/corrections. I used this guide but it seems to have slipped out of date.

Thanks in advance for any help, suggestions, additions, or corrections you can give.

YES, can be used above 1/125 on the hotshoe

Pentax AF360FGZ and AF360FGZII
Pentax AF540FGZ and AF540FGZII

MAYBE? Please help me confirm if these will trigger above 1/125 on the hotshoe

Cactus V6 triggers with many TTL flash brands and passthrough mode? IE If I stacked all this on top of the camera.
Metz 52
Metz 64
Promaster 7400?
Promaster 7500?
Sigma 530 DG SUPER?
Sigma 610 DG SUPER?

NO, cannot be used on camera hotshoe above 1/125 (but still may be used wirelessly for P-TTL)

Metz 48
Metz 50
Metz 58 (firmware bug?)
Tumax DPT5

beholder3 · 11-27-2016, 09:50 AM

Originally posted by toomuchgelatin

I have a 645z. I don't need wireless triggering, I just want a flash that I can put on the hotshoe and trigger above 1/125 of a second.

Read this table of Pentax flash options:
Pentax hotshoe flash options | Recommended old flashes for P? | Flickr

There is one column for HSS in there. If it says "yes" you can use that flash up to any shutter speeds the camera provides.

Class A · 11-27-2016, 06:38 PM

Originally posted by toomuchgelatin

Cactus V6 triggers with many TTL flash brands and passthrough mode?

You'd need the V6II, not the V6. However, the only advantage of involving a V6II would be to use HSS-capable flashes from other systems, such as Canon, Nikon, etc.

Since you are not after taking the flash off-camera, you can use any P-TTL HSS flash on the 645D directly (including those from Metz or other third-party manufacturers) without involving a trigger.

11-27-2016, 09:20 AM	#1
toomuchgelatin Site Supporter Join Date: Nov 2016 Posts: 5	Hotshoe Triggered HSS Flash Options for 645z? I have a 645z. I don't need wireless triggering, I just want a flash that I can put on the hotshoe and trigger above 1/125 of a second. I want to shoot handheld but still pop the flash and avoid mirror slap or hand shake blur. I just want to get to around 1/500 or 1/1000. What are my options for this? It's hard to tell, since many of the speedlights seem to work as slaves only with P-TTL. I'll keep a running tally here as people give me advice/corrections. I used this guide but it seems to have slipped out of date. Thanks in advance for any help, suggestions, additions, or corrections you can give. YES, can be used above 1/125 on the hotshoe Pentax AF360FGZ and AF360FGZII Pentax AF540FGZ and AF540FGZII MAYBE? Please help me confirm if these will trigger above 1/125 on the hotshoe Cactus V6 triggers with many TTL flash brands and passthrough mode? IE If I stacked all this on top of the camera. Metz 52 Metz 64 Promaster 7400? Promaster 7500? Sigma 530 DG SUPER? Sigma 610 DG SUPER? NO, cannot be used on camera hotshoe above 1/125 (but still may be used wirelessly for P-TTL) Metz 48 Metz 50 Metz 58 (firmware bug?) Tumax DPT5

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11-27-2016, 09:50 AM	#2
beholder3 Pentaxian Join Date: Dec 2011 Posts: 3,112	Originally posted by toomuchgelatin I have a 645z. I don't need wireless triggering, I just want a flash that I can put on the hotshoe and trigger above 1/125 of a second. Read this table of Pentax flash options: Pentax hotshoe flash options \| Recommended old flashes for P? \| Flickr There is one column for HSS in there. If it says "yes" you can use that flash up to any shutter speeds the camera provides.

11-27-2016, 06:38 PM	#3
Class A Pentaxian Join Date: Aug 2008 Location: Wellington, New Zealand Posts: 11,251	Originally posted by toomuchgelatin Cactus V6 triggers with many TTL flash brands and passthrough mode? You'd need the V6II, not the V6. However, the only advantage of involving a V6II would be to use HSS-capable flashes from other systems, such as Canon, Nikon, etc. Since you are not after taking the flash off-camera, you can use any P-TTL HSS flash on the 645D directly (including those from Metz or other third-party manufacturers) without involving a trigger.