[LRflex] Re: Telyt 400mm matters

Hi David,

Thanks for the info, which will save me a lot of grief, especially  
the note on wire. I have a very low wattage soldering iron and have  
learned to set up a simulated arrangement to conduct several  
soldering trials before attempting to solder the "real thing." Solder  
Wick is new to me; something else to practice using.

I have made pro tem  "third hands" using odd spring-loaded devices;  
the real McCoy looks like just what I've needed all along. And 90- 
degree connectors may offer some benefits; I'll check that out too.

Thanks for your kind help,

Bill


On Jul 26, 2006, at 6:56 AM, David Young wrote:

> Good Mornin' Bill!
>
> You wrote:
>
>>> I made the mistake of buying Leica's wire release with switch, in
>>> order to cut it apart for the connector.
>>
>> And that's exactly what I was trying to avoid; thank you for leading
>> the way.
>
> Leading the way? You make it sound so noble!
>
> Never forget, that if "Necessity is the Mother of Invention", then
> "Poverty is the Mother of Do-It-Yourself" !   ;-)
>
> There is another reason for buying the connector from Binder.  Leica
> buys a pre-made assembly from Binder, which has the cord moulded onto
> the connector.  The problem with this is that because it's an 8 pin
> connector, it's an 8 wire cord - which is very stiff  I was always
> afraid of bumping the wire/connector and literally ripping the
> connector right out of the DMR, with the obvious consequences.  It
> also made it hard to flip the 400 Telyt vertical!
>
> Besides, at the switch end, 5 of the 8 wires were never  connected to
> anything.  When I discovered this, by having them fall out in my
> hand, I almost had a heart attack! After all, I was trying to trace
> through each lead, to determine it's point of connection, only to
> have 5 wires fall out with no way to trace what went where. It was a
> disaster!  I felt better, once I realized that they were  all cut
> flush. - neither torn, stretched nor soldered.
>
> I now use a piece of light, 3 wire, grey lead from a computer sound
> card, which works quite well.   However, I'm going to change it soon,
> for something still more flexible.  I'm currently thinking of either
> a spiral wound telephone or headphone cord.  Either should be heavy
> enough for the 7.5V 50 ma loads required.
>
> Be aware, however, that the solder pins in the Binder connector are
> very small because of the high pin count. Soldering, even for an
> experienced person is **very** tricky, and I would not suggest that
> you try it unless [a] you have a 20W soldering iron, rather than the
> more common 100W soldering gun, and [b] a spool of "Solder Wick" for
> correcting your mistakes.  I didn't have any "solder wick"
> desoldering braid ("Chem Wick" is one maker... but there are
> others)  with me, and ended up using a spring loaded de-soldering
> tool (commonly known as a "solder sucker"). This proved to be
> extremely difficult in such a small space and I have since refilled
> my supply of Solder Wick!
>
> Both are critical with the Binder connectors, as the standard solder
> guns have too wide a tip for fine work and so much heat they'll
> easily destroy the fitting.  Also, I found using one of the small
> "Third hand", spring-clip holders to be very handy for
> this.  http://www.kk.org/cooltools/archives/001212.php
>
> I've also been considering switching to the 712 series connectors....
> these are likely a bit more expensive, as they have a higher
> protection rating.  But, you can get them in a 90 degree fitting,
> which will, I think, make life more convenient for cord handling,
> especially at the camera end.  However, so far, this is only at the
> 'thinking' stage.
>
>> When I get the Binder connector I'll let you know off line. But other
>> inquiring minds may want to know what to do.
>
> You're probably right... we should keep this on-line for others who
> may be headed in similar directions.
>
>> I'll add your Manfrotto nominations to my list with the pair Doug
>> Herr recommended and go shopping.
>>
>> I do like picture of Ted's Gitzo monopod in action because it frees
>> up both arms and hands to open the ice chest and get at the Labatt's
>> Blue or the chardonnay or possibly lunch.
>
> I think he was digging in the back of Tom A's Jeep for another
> lens.  If it was a beer, I hope he did better than a 'Blue"! ;-)
>
> Hope this helps!
>
> Cheers!
>
> ---
>
> David Young,
> Logan Lake, CANADA
>
> Limited Edition Prints at: http://www.telyt.com/
> Personal Web-site at: http://www3.telus.net/~telyt
>
>
>
>
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