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Forum: Pentax Camera and Field Accessories 08-27-2010, 06:25 AM  
triggering a wall lamp with pentax d20
Posted By ravenxbishop
Replies: 18
Views: 5,819
yes more details on which relay's to use and how they would be wired would be very helpful.
Forum: Pentax Camera and Field Accessories 08-25-2010, 06:44 AM  
triggering a wall lamp with pentax d20
Posted By ravenxbishop
Replies: 18
Views: 5,819
rio that seems to be exactly what i asked for. thank you.
Forum: Pentax Camera and Field Accessories 08-07-2010, 11:33 AM  
triggering a wall lamp with pentax d20
Posted By ravenxbishop
Replies: 18
Views: 5,819
@russel sorry that you dont understand the process, and that i dont want to explain it. but you dont have to go about being insulting. the issue you see may very well generate the effect i desire.

anyhow. you clearly dont have any answer. so i guess you simply wanted the last word on what you wrongly perceive to be a fight.

feel free to continue to snark. its less than impressive.

@johnmflores NOT a bad idea. its actually a really cool one. but its not going to do what i want. although i'll be using your idea for sure. thanks.
Forum: Pentax Camera and Field Accessories 08-06-2010, 10:22 PM  
triggering a wall lamp with pentax d20
Posted By ravenxbishop
Replies: 18
Views: 5,819
i'm thinking it may have to involve one of those wall units with a remote.... and a remote flash unit wired to the same frequency or energizing the circuit....
Forum: Pentax Camera and Field Accessories 08-06-2010, 10:20 PM  
triggering a wall lamp with pentax d20
Posted By ravenxbishop
Replies: 18
Views: 5,819
no offense to anyone with great ideas.

i appreciate it. but what i want to do is ... exactly what i described. . . trigger power to a wall type plug from my camera trigger.

and while these ideas seem really neat... we dont learn new moves by dancing in the same circle.

seriously no offense meant at all... i'm just hoping someone has a creative idea for making the power plug on a wall trigger power to a circuit in response to my camera's shutter being opened.

i seriously have like 20 things i'd like to do with it... the fact that the tungsten bulb wont be warm wont really effect the creative process here.

does anyone have any ideas for energizing an AC circuit via the shutter release?

oh i'd also love to be able to make a wall socket turn OFF while the shutter is open too.
Forum: Pentax Camera and Field Accessories 08-06-2010, 05:51 AM  
triggering a wall lamp with pentax d20
Posted By ravenxbishop
Replies: 18
Views: 5,819
because i'd like to play around with using $10 500w worklamps as strobes for field shooting at dusk.

and i'd like to do some random shots, where in a completely dark room people do crazy stuff and then the camera captures a singular motion... and i dont want to use a regular flash.

and just because im curious about such a trigger.
Forum: Pentax Camera and Field Accessories 08-05-2010, 10:31 AM  
triggering a wall lamp with pentax d20
Posted By ravenxbishop
Replies: 18
Views: 5,819
i want to take a photo such that when i pull the trigger on the camera a desk lamp will light up only while the shutter is open.
Forum: Pentax DSLR Discussion 03-31-2010, 09:39 AM  
Pentax-, lens metering.
Posted By ravenxbishop
Replies: 8
Views: 2,409
you know that was all very very helpful.

the manual isnt really clear about this process.

so, based on your leads... i did optical live preview DOF.
which puts the metering in the mirror. and it seems that in most if not all cases for THAT lens i need to use the meter as if the target was 2 bars above center (really more like 1.5 bars.)

with this part working im so in love with this camera its absolutely retarded.

now if i could only find a reasonably priced pentax-a f/1.2 50mm

i think i'll be set until 20mp

not that pentax would listen to ME but it seems to me, they could easily, let you set the f-stop 1.0 to 22 or so... and show you the metering... just requiring you to set the ring to the same stop as you set the camera.

it would at the very least be a solution for speed.

this work around isnt bad at all... and im gleeful playing with my lenses now.

anyone know a better sorce for old lenses than ebay? the only 1.2f i see is $500
i'm waay under that.
Forum: Pentax DSLR Discussion 03-30-2010, 02:10 PM  
Pentax-, lens metering.
Posted By ravenxbishop
Replies: 8
Views: 2,409
its a k20d put that in pps.

so, theres a way to get the meter working when the green button is pressed???
Forum: Pentax DSLR Discussion 03-30-2010, 01:34 PM  
Pentax-, lens metering.
Posted By ravenxbishop
Replies: 8
Views: 2,409
ok, sooooo

i put on the gemini 80-200 f4.5
i check custom settings apature ring allowed, check.
i set it to manual mode. check.

i get no meter......

siiiigh.

i use the green button, it sets my shutter speed.

i snap a picture, its too bright... i had no meter.

what gives?

PS the title should say pentax-m lense metering.
pps k20d
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