Quaid
Well-known member
I disagree. Dealers find a way to sell all sorts of crap we don't want or need. They would be more than happy to sell us crap that we actually need...(Assuming demand for RF based CLS is real and not just a dpreview phenomenon).Yup. Two reasons.Aside from small volume production runs (which I don't think is a valid argument here), is there any reason Nikon (or Canon) couldn't offer their flashes with RF, IR, and RF+IR as three versions of each model?
- The distributors and dealers wouldn't touch it. You're talking about either three flashes (bulky and expensive) that they'd have to keep in inventory, or one flash and three different modules. You've replaced one inventory item with three or four.
How many different kit lenses were offered from Nikon with the D7000? Did dealers boycott the product because of the options?
That is one possible path that a design team could take, but a designated space could include the option of externalizing. Also, if I were designing it I wouldn't necessarily make the module removable or give it its own 'walls'. Don't limit your imagination. The flash body could be designed to internalize the smallest component bundle, and externalize the rest (think about the battery bump on the SB800).
- If they allocated this "working space" you talk about, it would increase the size of the flash by the size of the worst case combination of RF and IR, plus two sets of walls (a compartment inside the flash and a box for the module).
That being said, the idea that there would be any appreciable difference in size between an RF & IR CLS module and the current system is only hypothetical. The design team may be able to fit RF & IR into a space smaller than what is currently allocated in the SB600/700/900. So this was a hypothetical problem, and even when assumed to be true it is still not a very convincing one.
When has selling someone more products to accomplish a diverse set of goals ever been a problem? We are already in the awkward situation of having to buy a second set of transmitters to get RF. I would venture a guess that the population of photographers who would like RF in their flash body is significantly bigger than the population of photographers who would be troubled by international RF laws. That's just a guess, but I think it's very likely to be true. Professional photojournalists who NEED to bring flash equipment across borders and are likely to encounter these problems are also the photographers least likely to be unable to purchase additional gear to meet their needs.
- Now you've put someone who could be going into areas were they're not allowed radio links in the awkward position of having to have two sets of flashes, one with RF, one without.
Although I didn't agree with the arguments you made above, I believe that this is a very good idea. Only the internal CLS processor would need to be modified and a socket added. It would be a compromise between internal RF and the current PW-style systems. I like it.Or they could always build in the IR unit, exactly as they do now. It's not expensive. The flash itself is the "transmitter", and the receiver is nothing more than a photodiode behind an IR window and some op-amps. That gives them backwards compatibility with 12 existing cameras that can flash out iTTL master signals (D300, D700, D70, D80, D90, D200, D40, D60, D3000, D3100, D5000, and D7000) plus however many more can do this by the timeframe of SB1200 plus the existing CLS IR controlled SU-800, plus the CLS master flashes like SB-800, SB-900, SB-1000, and SB-1100.If the engineering team defined a working space for a CLS communication module then they could modularize the RF, IR, and RF + IR options.
SB1200 IR
SB1200 RF
SB1200 RF+IR
International compatibility problems alleviated.
And then they just add a socket on the flash so that you can plug in an RF module, just like the Paul Buff CSXCV RF remote that plugs into the Einstein flash.
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That's so simple, it could show up by SB-1000, no waiting 15 more years for SB-1200.
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