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Forum: Mini-Challenges, Games, and Photo Stories 07-23-2009, 11:30 AM  
Post your self portrait
Posted By alohadave
Replies: 936
Views: 113,541
Forum: Pentax DSLR Discussion 05-16-2010, 06:54 PM  
pentax k-m +52mm reversing ring
Posted By alohadave
Replies: 5
Views: 3,751
Do you mean a K mount-reversing ring, or a male-male filter reversing ring?

I've used both, and they both work.

What you need to keep in mind is that whatever lens is reversed should be an older lens, like an A or earlier. The reason is that you want the aperture to remain open. Modern lenses keep the aperture closed by default, and you would either need to rig it open, or hold it open with your finger.

Depth of Focus is very small using a reversed lens and a tripod is just about required for steady shots.
Forum: Pentax DSLR Discussion 11-08-2011, 12:43 PM  
Android App 'DSLR Remote': remotely control your Pentax by infrared or wire
Posted By alohadave
Replies: 5
Views: 17,919
There is also ioshutter for iphone/itouch/ipad. It's in the app store.

You need a special cable that hasn't been released yet.
Forum: Mini-Challenges, Games, and Photo Stories 04-04-2016, 06:33 PM  
Post-Processing PP Challenge 178 - Laguna Beach LE
Posted By alohadave
Replies: 56
Views: 5,911
Here's my take on the scene.
Forum: Post Your Photos! 10-01-2012, 03:33 PM  
Sticky: How to upload / link photos - BEGINNERS START HERE
Posted By alohadave
Replies: 198
Views: 212,827
Pixels per inch has nothing to do with web pages. It's only for printing. Stick with the pixel dimensions that you want and don't worry about what the DPI is set to.
Forum: Post Your Photos! 05-06-2012, 10:32 AM  
Cityscape Foggy Boston Night
Posted By alohadave
Replies: 13
Views: 2,445

Boston Fan Pier by alohadave, on Flickr
Forum: Photographic Industry and Professionals 04-25-2012, 08:04 PM  
Copyright Question
Posted By alohadave
Replies: 11
Views: 1,088
Absolutely, unequivocally wrong (in the US). Work-for-hire has very specific legal requirements, and social conventions don't change that. The 'industry' has not gone to an increased work-for-hire model, and isn't likely to.



If you don't inform your customers what they can and cannot do with the pictures, this situation will happen every single time. It's part of defending your rights to set them straight beforehand.



The problem comes from 'photographers' not being informed, and rolling over when they get pushback. You are making the problem worse by letting them do whatever they want and claiming that you are powerless.
Forum: Pentax SLR Lens Discussion 04-21-2012, 08:54 PM  
Take the pledge - No new Pentax lens purchases
Posted By alohadave
Replies: 356
Views: 22,679
Wow. Do you honestly think that those of us that are realistic about the situation are being payed off by Pentax?

I think that having Pentax more widely available is a very good thing. Do I want to pay higher prices? Not really, but I'm not going to bitch and moan about how Pentax betrayed their customers because they'd like to sell products to more people and make money.

Contrary to what many people here (and other places that I frequent), selling products far cheaper than your competitors is not necessarily a winning move. It places you as a bargain brand and you attract people who will only shop based on price. And it seems that it has had that exact effect based on all of the complaining I'm seeing.
Forum: Pentax DSLR Discussion 04-01-2012, 01:45 PM  
The K3 just around the corner
Posted By alohadave
Replies: 26
Views: 5,240
Boo hoo. Never heard of April Fools Day? Lighten up.
Forum: Digital Processing, Software, and Printing 03-15-2012, 07:49 PM  
"Lightroom QC": An Oxymoron Explained
Posted By alohadave
Replies: 23
Views: 3,276
Not as much fun to be on the receiving end is it?



When you run Adobe, you can organize it however you wish and call the employees whatever you wish. Until then, make bug reports about defects in the product, and don't attack specific people, even if you don't agree with their qualifications. Ranting about the perceived personal failings of someone you know nothing about makes you look petty.
Forum: Flashes, Lighting, and Studio 01-28-2012, 09:02 PM  
Sunpak 30DX TTL flash power setting
Posted By alohadave
Replies: 2
Views: 1,238
The power level slider have no effect when using A or TTL modes.

The ISO/ASA setting needs to be set properly for the flash to figure the correct output.
Forum: Photographic Industry and Professionals 01-19-2012, 05:51 AM  
Another "no photography allowed" mistake
Posted By alohadave
Replies: 13
Views: 2,378
Not as much as you might think. We just have a great marketing department. The US has a long history of xenophopia and fearful reactions to world events.
Forum: Pentax DSLR Discussion 01-14-2012, 10:54 PM  
APS-C vs FF format
Posted By alohadave
Replies: 270
Views: 24,050
No. Please stop now. Step away from the computer and take pictures. Please stop with the physics of optics and take some goddamned pictures.

Unless your only interest in photography is gearfaggotry, it doesn't really matter. What can possibly be that important that you need to figure precise calculations to make something look similar to another system?

Just go out and buy a full frame camera and be done with it.
Forum: Flashes, Lighting, and Studio 01-13-2012, 10:51 PM  
New to Flashes
Posted By alohadave
Replies: 14
Views: 1,041
Go to Strobist and read Lighting 101 and 102. And do the exercises. You will learn so much.
Forum: Pentax DSLR Discussion 08-12-2011, 06:45 PM  
k-x shutter permanently stuck at about 2 seconds
Posted By alohadave
Replies: 8
Views: 2,219
Is the shutter speed stuck at 2 seconds, or is there a 2 second delay before the shutter opens?

Try changing your drive mode from 2 second delay to anything else.
Forum: Pentax SLR Lens Discussion 04-16-2011, 07:53 PM  
theoretical lens design question
Posted By alohadave
Replies: 10
Views: 2,413
Lenses are designed with computers nowadays, but there is a long history of lens designs being copied and tweaked. You mot certainly can mathematically determine performance and characteristics.

It's not exactly difficult to take a lens apart and reverse engineer it, plus a diagram of the element sizes, shapes, and positions are commonly used as sales material.

These four articles should give you a solid background on the history of lens design:

LensRentals.com - From Petzval’s Sum to Abbe’s Number

LensRentals.com - The Schott Heard Around the World

LensRentals.com - Who Invented the Telephoto Lens?

LensRentals.com - The Development of Wide-Angle Lenses
Forum: Photographic Technique 02-18-2011, 06:49 PM  
How would you set up the lighting for this type of portrait?
Posted By alohadave
Replies: 9
Views: 6,222
It's fairly straightforward, hard light. Hang the lace, put the flash/light a few feet away, and adjust until it looks good to you.
Forum: Pentax DSLR Discussion 01-20-2011, 06:25 PM  
K200d tethered to laptop?
Posted By alohadave
Replies: 10
Views: 4,602
You have to use the Pentax Remote Assistant software that Pentax made. Version 1 works with the K100D, but it was never officially supported, and can be finicky.

When it works though, it is nice. I've managed to get it to work together with Lightroom to have tethering. It's a bit slow, but not too unreasonably so.

You should be able to find it by googling a bit.
Forum: Pentax DSLR Discussion 12-31-2010, 01:38 PM  
Shutter actuations on Pentax DSLR
Posted By alohadave
Replies: 27
Views: 8,591
In the Manufacturer Notes section, look for Shutter Count. If you are using any software that strips exif, you won't see this. Take a pictures straight off of your camera or memory card and don't do anything else to it.
Forum: Photographic Technique 09-19-2010, 09:37 PM  
Mind the Flash
Posted By alohadave
Replies: 3
Views: 1,727
It loaded fast enough for me that I wasn't aware of a load time (Comcast Cable)



It seems like a personal site. I don't get any indication that you are doing any for-hire work. Blog format doesn't really work as professional website, besides having a couple posts that are completely random.



Find a free template and build a site on that using cheap hosting, and setup a dedicated site for your for-hire work. If it's low volume, use your ISP's hosting that you should be getting with your account.
Forum: Photographic Industry and Professionals 09-07-2010, 08:52 AM  
Those of you who shoot professionally - any advice?
Posted By alohadave
Replies: 25
Views: 6,243
DO NOT do this. If you want to be taken seriously as a professional, you do not crash weddings.

It gives all of us a bad name and when you are caught you will not likely be able to shoot in that church for real when you have a legitimate wedding to shoot.

Plus, you'll make it that much harder for other pros in your area to shoot without having restrictions placed on them because you did something stupid.

If you want to get experience shooting weddings, look through Craigslist and offer up your services. There are plenty of people looking for cheap photogs who are on a budget.
Forum: Photographic Technique 08-24-2010, 11:56 AM  
Shooting high speed objects at close range
Posted By alohadave
Replies: 9
Views: 3,363
How's this for coincidence, the Flickr blog featured rolling shutter pictures today.

Rolling, Rolling, Rolling Shutter Flickr Blog
Forum: Photographic Technique 08-21-2010, 02:48 PM  
12 Excuses for Shooting Photos for Free — and Why They’re Bogus
Posted By alohadave
Replies: 29
Views: 5,675
You know what they say about opinions...

The problem with his post is that he is confusing working professionals with photographers who are semi-pro or shooting for fun on the side.

It's pretty simple really. Either the person is good enough to take jobs from working pros or, they are taking jobs that pro can't (or won't) take. If the pros can't take the job, then the pro isn't really losing out on anything. If the amateur is good enough to take jobs from the pro then the pro is doing something wrong.

The industry is changing and some people who marginal will be squeezed out and have sour grapes. If they can't keep up with how things are changing, then they will fail, sooner or later.
Forum: Photographic Technique 07-29-2010, 04:25 PM  
Anyone thinking the mirror might go away?
Posted By alohadave
Replies: 41
Views: 6,723
My mirror goes away every time I press the shutter. It comes back though after the picture is done.

:cool:
Forum: General Talk 07-12-2010, 03:51 PM  
Engadget: "Photography is dead, long live photos"
Posted By alohadave
Replies: 15
Views: 4,433
I think you are smoking something, or aren't very experienced. If you don't handle or shoot film properly, you can get all those problems. Digital is no different than film photography is, simply a different way to record it. Exposure does matter with digital, just like any other form of photography.

Film is not magical, and digital isn't soulless.
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