[rollei_list] Re: Kalart RF's
- From: Don Williams <dwilli10@xxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Sun, 25 Mar 2012 22:17:05 -0500
At 10:02 PM 3/25/2012, Richard wrote:
Phil Forrest
The Focuspot uses a penlight type bulb with a lens on its tip.
Mine makes fairly sharp spots but not super bright. I think it was
assumed it would be used under very dim light conditions, dim
enough to make focusing with the rangefinder in the normal way
difficult. It never occurred to me to try an LED in the thing but
it might be brighter than the original bulb and have a considerably
longer life. I suppose I may have used a Focuspot but don't
remember ever doing so. I have one in my 4x5 Pacemaker kit.
My Pacemaker/ICD is smaller than a pack of cigarettes, has a battery
life of 4 years (or more if no shocks* are issued), and stores about
a year of cardiac performance. It also calls in on the phone if it
wants to. Can your Pacemaker do that?
The standard (non-ICD) version I had previously had a 10 year battery life.
Returning to the topic, one of my diving buddies used to manufacture
U/W housings for Nikons. He made a device that used convergent light
beams to set up at a specific distance and also aid in aiming. It
also used the TTL exposure system that was linked to the strobe which
was mounted externally.
DAW
*So far no shocks. Good news.
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