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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 26 Jan 2013 (Saturday) 10:20
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A New Bare Bulb Flash Arrives

 
dmward
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Oct 30, 2013 20:32 |  #3046

Buff, 11 inch reflector arrived yesterday.
Thought I'd give it a quick test before doing the work to permanently mount a DA-03 on the reflector.

I used the same setup I had for the SMDV-60 testing. 85mm L on 5DIII, ISO 100, 1/8000. I had to reduce power on the CL-360 to Hmode 1/8 to get a good exposure at F2.8. The front of the reflector was about 40 inches from the subject. I have a sock from a 16" speedlite beauty dish so I put that on. It cut the light two EV so I could open up to 1.4. Also changed the light character a bit. I think I prefer the light with the sock for something this close.

It was an overcast afternoon so the outside ambient exposure is way under. Will be fun trying this in the sun. Hopefully this weekend on my E shoot.

With the light back farther I doubt it will have the same affect.

I'm also thinking about getting an Elinchrom Maxi. Also, thinking about drilling a hole to use a deflector mounted on a rod in the umbrella adapter on the head.

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tetrode
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Oct 30, 2013 22:27 |  #3047

That's a clever idea, David. I've had the Buff 11" reflector sitting here for ages. This looks like a good way to put it to use. Don't forget, there's a 15-degree grid available for the 11" reflector. One of those is also sitting on a shelf here.

I cobbled something together using the mount from a Cheetah Mushroom:

IMAGE: http://f.cl.ly/items/1q0H3S0v1Y062P2U1S1I/CL-360_PCB_11_Inch_Reflector.jpg

In true Buff fashion, I used rubber bands to hold the mount to the back of the reflector. It actually works well. I know what I'm going to do for Rev. 1.1. Now I need another DA-03 adapter.

Thanks for the idea!



  
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Oct 30, 2013 22:52 |  #3048

Dave has everything ;)


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dmward
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Oct 30, 2013 23:01 |  #3049

Dave, nice job. The 100 MPH tape does offer a certain visual character missing from rubber bands.

I think I'll find a way to mount the DA-03 more permanently before using it Sunday. Don't want the reflector to fall off and hurt someone. :-)


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dmward
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Oct 30, 2013 23:02 |  #3050

abbadon31 wrote in post #16412469 (external link)
Dave has everything ;)

Scott that Hydo reflector you found might be ideal for this.

Wish I could find a source here in Chicago.


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abbadon31
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Oct 30, 2013 23:14 |  #3051

dmward wrote in post #16412482 (external link)
Scott that Hydo reflector you found might be ideal for this.

Wish I could find a source here in Chicago.


Just contact Craig on ebay and he will hook you up.
http://www.ebay.com/us​r/craig1442 (external link)

He sells 2 for 48.00 with all the stuff, but he will sell just the reflectors for cheaper


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tetrode
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Oct 30, 2013 23:25 |  #3052

dmward wrote in post #16412482 (external link)
Scott that Hydo reflector you found might be ideal for this.

Wish I could find a source here in Chicago.

The advantage of the 11" Buff reflector is that it can be supported by the CL-360's accessory mount.No bracket required. The Maxilite (and, I would imagine, Scott's hydroponic grow light reflector) is too heavy to be used sans bracket.




  
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dmward
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Oct 30, 2013 23:36 |  #3053

abbadon31 wrote in post #16412499 (external link)
Just contact Craig on ebay and he will hook you up.
http://www.ebay.com/us​r/craig1442 (external link)

He sells 2 for 48.00 with all the stuff, but he will sell just the reflectors for cheaper

Thanks.


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elv
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Oct 30, 2013 23:47 as a reply to  @ dmward's post |  #3054

Thanks guys. I'm just trying to get to the bottom of this insert, is the DA-03 a Goddox product then, or is this branded SMDV?

Also regarding speedring insert diameter size, how on earth do you get down to just one or 2 sizes? I don't have many speedrings and I must have 6 different sizes here already.

If we can narrow this down to the most needed diameter Goddox may possibly be be able to make one.
.


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Oct 31, 2013 01:15 |  #3055

elv wrote in post #16412551 (external link)
Thanks guys. I'm just trying to get to the bottom of this insert, is the DA-03 a Goddox product then, or is this branded SMDV?

Also regarding speedring insert diameter size, how on earth do you get down to just one or 2 sizes? I don't have many speedrings and I must have 6 different sizes here already.

If we can narrow this down to the most needed diameter Goddox may possibly be be able to make one.
.


DA-03 is the SMDV insert which is about 4.75"
The standard size of an insert is 6"


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PhotographersWorldWide
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Oct 31, 2013 04:03 |  #3056

tetrode wrote in post #16412417 (external link)
That's a clever idea, David.

In true Buff fashion, I used rubber bands to hold the mount to the back of the reflector. It actually works well. I know what I'm going to do for Rev. 1.1. Now I need another DA-03 adapter.

Rubber bands!

Ideal for holding on radio receivers and reflectors it seems.




  
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AlexanderO
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Oct 31, 2013 07:21 |  #3057

dmward wrote in post #16412133 (external link)
There are hundreds of options available in the market place.

A bare bulb flash is a different category than a monolight. Its likely that there will be monolights with features that overlap with the bare bulb category. I looked at the new Flashpoint monolights you are promoting. They are entry level and have a large battery pack. Looks like a nice light and a good competitor for the Calumet Genesis. Could even be the same light from a Chinese contract manufacturer.

It's however, a different light with different design considerations. I would never consider carrying 4 of those and their required modifiers to do the job I can do with the Cheetah light. If I need power I have my 640Ws monolights. If I need the modifiers that fit on the monolights even with less power required, I have that option.

Its all about having options. If, for some reason a photographer does have those options then they have to compromise. In this case, given output, etc. I consider the Cheetah Light a better option than the Flashpoint. You don't That's fine. All I'm suggesting is that its counter productive to join a thread focusing on a specific light and then only make posts suggesting you have a better option and can't understand why people don't agree with you.

Its especially suspect when they are the only posts you've made on the forum.

If you have a vested interest in the Flashpoint equipment it would be appropriate to make that declaration in your first post.


Seems as though I need to clarify a few things:

1. I don't have any association or any type of a vested interested in Flashpoint or any other product. I used Flashpoint and JTL as examples of what I deem as a related product, not identical, but a related product that can be used for most of the same purposes for a lot less. So, my question was: Why not use the less expensive products that do the same thing at 90% convenience?

2. I never suggested that I had a better option, nor was I pushing any other product or solution. I simply asked about opinions as to what would be the considerations that would trump the $300 per light money delta and are those considerations really worth the price difference?

3. As it happens, the reason this is the first topic I posted to on the forum is because I came across the Godox light, which I found very intriguing. I started researching it and it brought me to these forums. So, I wanted to engage with the people using the light and find out why they aren't using the less expensive solutions available out there. I figured if they aren't using less expensive solutions, there must be something to these lights that I may be missing. As an example, you mention that you would never use the Flashpoint or a similar product for a job because it's not as convenient, but you never mention why you wouldn't. You don't mention why that rather considerable difference in price is worth paying. You don't engage with me in a conversation, but rather end it any type of a possibility of it by saying: "If you don't think Cheetalight is a better option, that's fine". I'm inquiring. There are things you guys do with them that make sense to me and some things don't. So, that's where we are.




  
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dmward
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Oct 31, 2013 08:44 |  #3058

AlexanderO, OK.
For me, the Cheetah Light is valuable because its small, light weight, makes it easy to use umbrella frame modifiers and fills a gap between my speedlites and monolights. Its offers me the ability to easily change power settings on a light by light basis from camera position. I can use it in H mode to facilitate FP-sync when combining ambient with flash. Its bare bulb design is well suited for umbrella frame modifiers that mount the light for indirect illumination. Its IGBT power control offers shorter duration flashes as power is reduced.


Personally, this light falls into a category I have dubbed "hybrid strobes" since they are bigger and more powerful than speedlites, but smaller and less powerful than studio strobes. These are broad generalizations not product specific definitions.

My monolights weigh less than the Flashpoint DG600, have a smaller housing, and have IGBT power control with an 8 EV range. And has 640Ws of output. Yet I would never consider them as size and weight comparable to these bare bulb units.

ETTL and/or auto power control are technologies that work great for fast moving situations. I use ETTL all the time. The hybrid units are, for me off camera lights, and thus ETTL isn't a requirement. If I want it I have it with my speedlites.

One reason I have my light stands and modifiers in grip bags without the lights or accessories is because I can use the umbrella frame modifiers with either speedlites or the bare bulb hybrids.

Over the years I've used many different brands and types of lights. At present, given technology, I think I have the lighting kits that fit my requirements in all three categories.


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dmward
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Oct 31, 2013 08:55 |  #3059

elv wrote in post #16412551 (external link)
Thanks guys. I'm just trying to get to the bottom of this insert, is the DA-03 a Goddox product then, or is this branded SMDV?

Also regarding speedring insert diameter size, how on earth do you get down to just one or 2 sizes? I don't have many speedrings and I must have 6 different sizes here already.

If we can narrow this down to the most needed diameter Goddox may possibly be be able to make one.
.

Elv,
The SMDV DA-03 is an adapter they offer that replaces the speedlite mount on the SMDV-XX series collapsible octas. As I illustrated, its the same as the back plate/mount on the Godox mushroom. The only difference is that the mushroom version has cooling louvers.

As for the larger diameter adapters. I have found that the two sizes Kacey offers fit all the modifiers I have. The Buff modifiers use an adapter that is slightly larger than the Fotodiox EZ-Pro and others which, as Scott mentioned, are 6". I think that's most common.

The risk in offering an adapter that is 6" with the Godox/Quantum type tube mount is that someone will think they can hang a 60" octabank off the front of a CL-180.

Quantum uses a very light duty twisting annulus to secure reflectors etc. The Godox/Cheetah uses a pressure pad. The pressure pad squeezes the mount between itself and the outer glass of the flash tube while also pressing the other side of the mount against the outer wall of the head opening for the tube. Its much more secure than the Quantum mount but still has limits when considering weight.

As Dave illustrated with the SMDV-70, a larger light weight modifier can be mounted using this adapter. The key is weight.


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elv
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Oct 31, 2013 10:16 as a reply to  @ dmward's post |  #3060

Thanks David. There are quite a few speedring/insert sizes though. I guess if you grouped the similar ones together making some a bit slopy fit you could narrow it down.

The 6" are 152mm, but then some inserts are 153mm which won't fit into the 152mm rings.

Then there are the 144mm, 145mm, and 146mm.
Chimera, Photoflex, Phottix.
Obviously 146 wont fit into 144, but the other way around will, but a bit sloppy.

Then there are the 140mm. Bowen's, Redwing etc

Then down to the 126mm (Chimera).

Thats just the few I have and deal with regularly, I'm not sure about Elinchrom etc off the top of my head.

Yes Ideally this would fit into at least one common speedring which has a threaded hole in the base to attach directly to a light stand/swivel. The only weight on the flash then is the weight of the flash itself.

Personally I wouldn't mount anything like the SMDV directly on the flash head, I wouldn't even mount the umbrella. Each to their own, but I have no doubt that will wear the flash head out quicker at least to some degree.
.


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