New camera came in!

unionrdr · May 1, 2015

Helpful though. These fancier digital cameras are complicated by comparison to my old one. But Canon does make good cameras in my opinion. I still love my FTb. Now if I just had a 10" reflector telescope & something to mount the new camera to it? I'd like to get some planet picks. Always wanted to do that. Maybe see how the zoom works on the moon?

Psylocide · May 1, 2015

unionrdr said:
Helpful though. These fancier digital cameras are complicated by comparison to my old one. But Canon does make good cameras in my opinion. I still love my FTb. Now if I just had a 10" reflector telescope & something to mount the new camera to it? I'd like to get some planet picks. Always wanted to do that. Maybe see how the zoom works on the moon?

Sounds great... how do you plan to get there?

unionrdr · May 1, 2015

Some claim the government has a real Stargate. Alien technology, so I'm gonna sneak in & use it! It's like a 4x zoom, so I'll have to see how that works, just for curiosity's sake.

Psylocide · May 1, 2015

unionrdr said:
Some claim the government has a real Stargate. Alien technology, so I'm gonna sneak in & use it! It's like a 4x zoom, so I'll have to see how that works, just for curiosity's sake.

If you're going to use the Stargate, I would try it on 1x zoom first... anything past 3x zoom for a first-timer is going to be pretty disorienting.

TheCADJockey · May 1, 2015

Psylocide said:
Sounds great... how do you plan to get there?

I designed this super hi-tech space rocket that we strap him to so he can take HD pictures as close to the moon as possible.

unionrdr · May 1, 2015

Might be psychedelic man? :drunk:

We'll find out some night when I play around with the dial settings? And I think I'm a lil late for that one. The mission to Pluto is almost there. Would've been a great fly-by though.

passedpawn · May 1, 2015

Psylocide said:
Sounds great... how do you plan to get there?

Maybe Ralph Kramden... Bam Zoom right to the the moon.

hunter_le five · May 1, 2015

TheCADJockey said:
I designed this super hi-tech space rocket that we strap him to so he can take HD pictures as close to the moon as possible.

Glad to see those CAD skills are finally coming in handy.

unionrdr · May 1, 2015

Oh ho hooo...BANG! ZOOM!

I always loled at that one back in the day. Pop howled at those bits. Too bad the video crapped out on the old Vivitar. Strap to a balloon like those on youtube & see how high it goes for video.

passedpawn · May 1, 2015

TheCADJockey said:
I designed this super hi-tech space rocket that we strap him to so he can take HD pictures as close to the moon as possible.

Maybe Union should go to the sun first, given his issues with getting enough light on his subjects. Take sunblock.

unionrdr · May 1, 2015

Yeah, or a polarizing UV coating?

balrog · May 1, 2015

In no particular order:

Union: Find the timer mode, set the camera down, press shutter and remove hands, stop kicking the table, get the significant other to stop doing jumping jacks, and the camera will take a pic in 10s or so and should be nice and steady.

A620 is still awesome cam, still use mine even tho I have way more standard and digital SLR equipment than I should, including stuff to hook up to the 10" Newtonian telescope

CADJockey-I actually did that with model rockets and a camera. It went...poorly.

TheCADJockey · May 1, 2015

balrog said:
CADJockey-I actually did that with model rockets and a camera. It went...poorly.

I'm a little more qualified, if you can't tell by that impeccable design. It should work.

ajdelange · May 1, 2015

passedpawn said:
"trigger"? Your're using a reverse-biased LED into what, a scope?

Yep. Led in series with a 1K resistor to a 2.3 V power supply, scope across the resistor.

Psylocide · May 1, 2015

TheCADJockey said:
I'm a little more qualified, if you can't tell by that impeccable design. It should work.

Is that one that was turned in to SpaceX?

Looks cooler than that stupid Grasshopper everyone keeps raving about.

passedpawn · May 1, 2015

ajdelange said:
Yep. Led in series with a 1K resistor to a 2.3 V power supply, scope across the resistor.

If it's a large area LED (high current) the capacitance (and the scope probe's capacitance) might be filtering the fast pulse, but I doubt it. Still, if you know the junction capacitance of that LED (or PD if you switch to that), you can easily figure out the bandwidth by 1 / (2*PI*R*C). You could try a smaller R.

TheCADJockey · May 1, 2015

Psylocide said:
Is that one that was turned in to SpaceX?

Looks cooler than that stupid Grasshopper everyone keeps raving about.

No, this one is Top Secret: Moon Picture prototype.

unionrdr · May 2, 2015

Maybe I could just shake up a gusher bottle & mount the camera on that?

Gonna use it on my new tripod with the programmable timer someday soon.

ajdelange · May 2, 2015

passedpawn said:
If it's a large area LED (high current) the capacitance (and the scope probe's capacitance) might be filtering the fast pulse, but I doubt it. Still, if you know the junction capacitance of that LED (or PD if you switch to that), you can easily figure out the bandwidth by 1 / (2*PI*R*C). You could try a smaller R.

I really have no idea what the diode capacitance might be but it is reverse biased so the depletion region is large and the capacitance should be small (if I remember this stuff correctly). I guess 10pf is typical. With 1000Ω that's a time constant of 10 nsec corresponding to a bandwidth of 100 MHz (note: no π here) and a brickwall LPF of that bandwidth would spread a 1 nsec pulse to look like a 20 nSec sinc or put 10 nS 'flanges' on a perfectly rectangular pulse - not significant on a 30 usec pulse. Or looked at another way, a 30 usec pulse has bandwidth of only 33.3 kHZ so it isn't going to be distorted in going through a circuit of 100 MHz bandwidth monitored by a 200 MHz scope. Scope capacitance is compensated for when the probe is calibrated.

GrogNerd · May 3, 2015

very cool uses of a Canon PowerShot are available thru CHDK, the Canon Hack Development Kit

does not permanently overwrite your firmware and does NOT void any warranty, but allows you to access functions already in your camera you don't normally have access to.

allows you to shoot RAW images, override manual setting limitations, auto-bracketing, motion detection, time lapse and buttloads more

you create a bootable SD card to access these functions. to return your camera to its original state, switch SD cards and that's it.

can do some very cool things with your PowerShot, including S2 IS

balrog · May 3, 2015

GrogNerd said:
very cool uses of a Canon PowerShot are available thru CHDK, the Canon Hack Development Kit

does not permanently overwrite your firmware and does NOT void any warranty, but allows you to access functions already in your camera you don't normally have access to.

allows you to shoot RAW images, override manual setting limitations, auto-bracketing, motion detection, time lapse and buttloads more

you create a bootable SD card to access these functions. to return your camera to its original state, switch SD cards and that's it.

can do some very cool things with your PowerShot, including S2 IS

I so totally agree on this, used for focus on birdhouse, take pic when bird arrives; also used CHKD for timelapse. It's freaking awesome.

unionrdr · May 5, 2015

Looks interesting. I saved the page to look over more later. Gotta get woke up more before I get into serious stuff.

unionrdr · Jun 3, 2015

Another problem popped up with the Canon Powershot. I set it to movie mode, but it just takes single shots when I push the shutter button? Idk if it's broke, or I'm doing some setting wrong. No camera instruction book came with it & they didn't have it when I e-mailed them?

balrog · Jun 3, 2015

unionrdr said:
Another problem popped up with the Canon Powershot. I set it to movie mode, but it just takes single shots when I push the shutter button? Idk if it's broke, or I'm doing some setting wrong. No camera instruction book came with it & they didn't have it when I e-mailed them?

is it this one? http://gdlp01.c-wss.com/gds/5/0900011235/01/PSS2ISCUG-EN.pdf

unionrdr · Jun 3, 2015

Yeah, that's the one. Thanks man! I'll save it & see what I may be doing wrong. I hope the function isn't messed up, as the movie mode with stereo sound is the reason I bought it!
**- Just found out in the PDF instructions that I needed to press the "movie" button to the right of the viewfinder to get the movie mode turned on. Thanks again! Stereo sound is way better than the old Vivitar 5150S. But it does seem to need a lot of light, or it looks sorta grainy, like a TV signal that doesn't come in perfectly...

balrog · Jun 4, 2015

The movie mode is very limited by light on those older cameras, like they are equivalent to 1/30th sec shutter speed. It is always better with more light, no doubt about it.

Zuljin · Jun 4, 2015

86 posts about a new camera and no homemade porn. This thread sucks.

unionrdr · Jun 5, 2015

Getting the brewery rearranged with the addition of my new brew cart. Then new Brewvision videos will commence! Maybe this weekend I'll post some new beer porn? Wanna do a comparison between my kottbusser & barley_bob's, with a before & after shot of the brewery/man cave.

New camera came in!

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