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12-27-2017, 02:02 PM   #121
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Hi neonalog ....I'm glad you found the Guides useful!

You are mostly right about the different features of these two budget flash options. The Shanny does not support Wireless P-TTL, therefore it only does HSS when on the camera. The Slave functioning is the 'dumb' optical type.

The Yongnuo can function as a Wireless Slave, but not as a 'Master/Control' unit. I don't know if it has 'dumb optical' Slave capability.

Finally there is nothing different flash-wise between the K20 and the models just after it, so any P-TTL flash should be expected to work correctly with that camera.

12-27-2017, 04:42 PM   #122
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QuoteOriginally posted by mcgregni Quote
Hi neonalog ....I'm glad you found the Guides useful!

You are mostly right about the different features of these two budget flash options. The Shanny does not support Wireless P-TTL, therefore it only does HSS when on the camera. The Slave functioning is the 'dumb' optical type.

The Yongnuo can function as a Wireless Slave, but not as a 'Master/Control' unit. I don't know if it has 'dumb optical' Slave capability.

Finally there is nothing different flash-wise between the K20 and the models just after it, so any P-TTL flash should be expected to work correctly with that camera.
Your Guides are really instructive!

Based on what I've read, the two flashs only can be used as slave, in the "dumb optical wireless" way, as it. The difference, I don't know why, is the Shanny can only be used in Manual mode, and the Yongnuo in full P-TTL, in optical wireless.
Furthermore, the Shanny does support HSS, the YN585 doesn't. I think the confusion here comes from many webshop's description wrongly teasing about speeds up to 1/20000s as I could read for the Yongnuo... It is NOT on the official notice of course.

And finally, I read about some possible incompabilities with the AF-assist beam and the K20d, maybe another "dumb" idea in the air ...?
12-28-2017, 12:15 PM   #123
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YN585 is available in case any one insterested..

($66.96 + $7 shipping on Adorama)

($79.00 at BH)
01-15-2018, 06:45 AM   #124
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Will this flash work for the rear curtain sync? If not, what flash will work on rear curtain sync? I'm using a k-5II and a k-3II. Thanks.

01-15-2018, 08:43 AM   #125
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The Pentax AF-360FGZII and AF-540FGZII both offer rear curtain sync on-camera. This is a P-TTL subset function only (only available in P-TTL flash exposure mode).
01-15-2018, 03:59 PM   #126
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QuoteOriginally posted by totsmuyco Quote
Will this flash work for the rear curtain sync? If not, what flash will work on rear curtain sync? I'm using a k-5II and a k-3II. Thanks.
If you're speaking about the Yongnuo 585, yes, it does support rear curtain sync too. Great flash for the price..
01-15-2018, 04:39 PM   #127
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Thanks for all your tips. I think I'll proceed with getting this flash.
04-28-2018, 05:24 PM   #128
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One ebay seller is claiming this flash has HSS support . Is it B.S., or has there been a firmware upgrade that enables it ?

YONGNUO YN585EX P-TTL HSS Flash Speedlite for Pentax K1 KS1 KS2 K3 K70 K50 O1S2 758232900277 | eBay

I am looking at possibly getting this flash for my upcoming K-1 . I don't need any fancy flash features but I would like something compact enough and that meters properly, hence P-TTL. This is mostly to make up for the lack of pop-up flash on the K-1, but I won't be using any wirelessly triggered external flashes.

Does this look like a good choice, or is there something more compact that would be better for my use case ?

04-28-2018, 07:21 PM   #129
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The ebay seller is incorrect. The YN585EX doesn't have HSS, but P-TTL works well. There was a firmware update for the flash, but it doesn't add HSS.

If you want HSS, the Shanny SN600FGZ has it as well as P-TTL and is about $40 more than the Yongnuo
04-28-2018, 08:55 PM   #130
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Just noticed that firmware Ver.1618 for the YN 585 has been available since Dec 2017. Installs fine, no noticeable improvements so far.

QuoteQuote:
Ver.1618 2017/12/23
1.Improve compatibility;
2.Fix other bugs.
From the HK YN site:
Yongnuo Photographic Equiment Co., Ltd

---------- Post added 2018-04-29 at 01:57 PM ----------

QuoteOriginally posted by T Evergreen Quote
The YN585EX doesn't have HSS, but P-TTL works well.
Can confirm.

I suspect HSS isn't something that a flash can do just via a firmware update anyway.
04-29-2018, 02:59 AM   #131
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QuoteOriginally posted by T Evergreen Quote
If you want HSS, the Shanny SN600FGZ has it as well as P-TTL and is about $40 more than the Yongnuo
have they came out with a trigger for it yet ??
06-19-2018, 06:39 PM   #132
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QuoteOriginally posted by markl62 Quote
have they came out with a trigger for it yet ??
Short answer? NOPE.
I've reached out to Shanny through direct email and social media multiple times and have never received a response.
They don't seem to keep up with their website either. I was tempted to get their trigger and a nikon version Shanny Flash and see what happens. As long as I could control the flash I'd be happy, but I believe their triggers are all i-TTL/E-TTL so I don't want to risk it due to the pins asking for the wrong things.

---------- Post added 06-19-18 at 09:43 PM ----------

QuoteOriginally posted by mcgregni Quote
The Shanny does not support Wireless P-TTL, therefore it only does HSS when on the camera. The Slave functioning is the 'dumb' optical type.
I will confirm this tonight.
06-20-2018, 12:35 AM   #133
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QuoteOriginally posted by Kobie Quote
Short answer? NOPE.I'.
It shouldn't be that f&^king hard should it ?? I raised that with Shanny at the time they introduced the flash and we are still waiting.
I have a couple of Godox flashes I use with a Cactus V6ii and XT32 trigger for Nikon. Still a bit of hit and miss in HSS.

Sometimes wonder why I stick with Pentax.

Last edited by markl62; 07-03-2018 at 06:38 PM.
06-20-2018, 12:49 AM   #134
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Uh... they are a third party so they just do things when they see that there's a market for them?
06-20-2018, 06:09 AM   #135
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QuoteOriginally posted by Kobie Quote
Short answer? NOPE.
I've reached out to Shanny through direct email and social media multiple times and have never received a response.
They don't seem to keep up with their website either. I was tempted to get their trigger and a nikon version Shanny Flash and see what happens. As long as I could control the flash I'd be happy, but I believe their triggers are all i-TTL/E-TTL so I don't want to risk it due to the pins asking for the wrong things.

---------- Post added 06-19-18 at 09:43 PM ----------


I will confirm this tonight.
Unfortunately I don't have another HSS capable flash to try this with. But in Slave mode with the Shanny, you can enable HSS. It is a full manual flash though in S1, S2 so I'm not sure how the HSS off camera would work unless it triggers at a quicker timing. I'd have to borrow another HSS flash to test this though. I don't think I can borrow my friends Metz flash since, well, now he's all into flash photography now lol
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