I've seen off-brand shutter release units on ebay for less than ten bucks. Paul -------------- Original message ---------------------- From: [EMAIL PROTECTED] (D. Glenn Arthur Jr.) > I went to Radio Shack to buy parts to build myself a cable release > for the *istD. They had submini phone plugs, but only mono, not > TRS, and it turns out that shorting ring to sleeve keeps the > autofocus constantly activated (which I presume costs battery life). > > And they didn't have cheap IR LEDs to make an invisible flash with, > either. Though there was a spot marked for them in the drawer. > *pout* (Unsurprisingly, they didn't have PC connectors either, > so I'll probably look for the cheapest PC-cord accessory I can > find and snip the plug off it when I do build the invisible flash.) > > Question: when emulating a locking cable release for long exposures, > should I disengage the autofocus connection once the shutter is open, > or does the camera automagically do that internally? (Or should I > just not worry about the battery drain of having the autofocus system > powered while the mirror is up? Is the cost of holding the shutter > open high enough to swamp having the autofocus powered? I've no idea > what aspets of the camera's operation cost how much juice, but I'm > guessing that electromechanical aspects -- and lighting the LCD > backlight -- cost more than purely electronic operations ... right?) > > -- Glenn, starting to wonder > how much an *istD repair > manual would tell me about > the electronics. > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions.
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