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by Jakub

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27,914 reputation
349111
bio website grumpyjohns.com
location Toronto, Canada
age 46
visits member for 5 years
seen 3 hours ago

Software architect and developer, currently Senior Manager, Software Engineering at a financial institution in Toronto. I use a variety of technologies but at work it's generally C++, HTML, ASP (JScript), Flex, and SVG. For personal stuff, I tend to use PHP, C#, perl, and everything I use at work. :)

I've been designing and developing for well over a decade in the enterprise software market, first with IP billing, now with ticketing (no, not TicketMaster). I'm a classic case of a jack-of-all-trades, but my intuition is good and I pick up programming languages like a sponge picks up water.

I'm a moderator on Photography.SE and I'm an avid amateur photographer and especially enjoy nature and macro photography. I've also started getting into more studio oriented stuff, acquiring some lighting, background stands, and other gadgets for that purpose. My current weapon of choice is the Nikon D800. Check out my website for some of my photography DIY projects, some of which have been featured on the well-known DIY Photography site.

I'm now on 500px and you can see my portfolio that is in dire need of growth...

I'm also a moderator pro-tem on Pets.SE because I have a keen love and interest in animals. Over the years, I've had as companions dogs, cats, rabbits, hamsters, guinea pigs, fish, turtles, and budgies. As a result, I've learned a lot about caring and enjoying, sometimes the hard and sad way.


Sep
10
comment How do I eliminate green-screen bounce?
Have a look at this: photo.stackexchange.com/questions/9418/… which is my very similar problem with chroma key and portraits. It may fix it for you.
Sep
8
comment How do I select all pixels that match an exact color value in Adobe Photoshop?
@Unsigned Code Labs - There's a Stack site in Beta that I think is better suited to this: graphicdesign.stackexchange.com
Sep
8
comment How do I select all pixels that match an exact color value in Adobe Photoshop?
I don't think this is a photography question...
Sep
7
comment Can I publish (online) a photo I took of someone else's house?
@MikeW - I think if the permissions defining you allowing to be there include no photography, then you could stumble on trespassing as a result of violating those conditions. Jurisdictions may vary, however, in this regard.
Sep
7
comment Is there a photo print provider I can use to offer a “Buy a print” feature on my own website?
@eisberg - I haven't used them, but you might want to just ask them about that. I would be surprised if they didn't.
Sep
4
comment What is the difference between in-lens image stabilizing and sensor-based image stabilizing?
Pentax K-5 with their new GPS module are able to keep the sensor attuned to earth rotation for up to 5 minutes because it's free floating and can be adjusted in three dimensions. They call it the astrotracer feature and it works very well.
Sep
4
comment How can I affect color of a water droplet shot?
ElendilTheTall has covered the basics I think. The bounce from the backdrop is how I did these: grumpyjohns.com/2009/psychedelic_water_art
Sep
2
comment How to get started with portraits?
I have to admit, I struggle to see how this question can be answered here. It's a really big topic, as written, and I think it would be much better for you to start and then ask specific questions about the things you learn. There are tons of portrait related questions here, many of which will likely answer some of the questions you probably already have.
Sep
2
comment Are there any free Windows programs to get a live view for a Nikon D700 in tethered capture mode?
@Mark Whitaker - Nikon charges for it. However, a quick Google search comes up with a bunch of free options so that seems like a good place for the OP to start.
Sep
2
comment How can I take photographs with a large depth of field without diffraction?
@Vivek - You're welcome!
Sep
1
comment How secure is Flickr's “disable download of original image” feature?
Now you're in the realm of effort/risk to reward and I doubt there is much on Flickr that would warrant the risk. That's not an assesment of image quality, it's just an assesment that re-creating the image may be less effort and much less risk. It's been done, too, by the advertising industry.
Sep
1
comment Why does my camera's meter suggest the same exposure time for lenses with different apertures?
@whuber - I think it's still in the realm. If the zoom exposure was slightly darker at that shutter and the prime slightly brighter, than all it really is one rounded down and the other rounded up and landed on the same shutter speed.
Aug
31
comment How secure is Flickr's “disable download of original image” feature?
Not if the original is set to not allow it. The URL hack has been removed, it just bounces you to the largest available now. That's what the plugin author states as well.
Aug
31
comment How secure is Flickr's “disable download of original image” feature?
I can download any image you allow us to see, so that's fairly useless to try an block. Without devoting time to attempting hack Flickr (and risking my account and, well, jail) it's not specifically easy to say if your original can be retrieved without permission.
Aug
31
comment Why does my camera's meter suggest the same exposure time for lenses with different apertures?
Based on your update, I'm definitely sticking by my response... The average wasn't the same over the different field of view which is not unexpected unless you're shooting a uniform wall.
Aug
23
comment Which camera is more suitable for portrait taking between Canon 7D and 60d ?
+1 - The weather sealing, however, is only as good as the lens attached to the camera...
Aug
16
comment What's a concise “I'm not dangerous” phrase for a business card?
You could always try relevant parts of the US constitution and/or cite recent case law. You could also look at it as an opportunity to get rich when you sue the a$$ off someone for illegal search and seizure... I would, in a heartbeat, seriously.
Aug
14
comment Is a Tamron AF 28-300 F/3.5-6.3 with Canon 60D a wise choice for action photography?
rfusca has the answer, your suggestion is way too slow for action, you want wide apertures to enable a fast shutter in poor light.
Aug
12
comment How to calculate exposure time for Fuji Velvia RVP 50 using a DSLR spot meter?
@silkysmooth - I think you'll find that the metering in the 5d mk2 is based on the same precepts as other spot meters, I wouldn't consider it to be an issue. Anyways, your film may have good latitude on the exposure, so being out by a half stop wouldn't necessarily pose a problem. Here's the data sheet for the film: fujifilm.com/products/professional_films/pdf/… and you can use the eyeball exposure guide there to give you some confidence in the metering outcome, but I suspect you're over-worried when you don't need to be. :)
Aug
10
comment How can I reproduce this effect I created?
@Joe - You're very welcome.