Wednesday, February 10, 2010
If you're having an issue with your (straight out of the camera) digital images, it may be one of the following things:
Dust on your sensor... If you see little specks on your images, probably in the same areas, it's most likely dust. This is very common, and pretty easy to fix. There's a few options to clean your sensor including: by the cameras "sensor clean" in the menu, by store bought kits, or by a professional repair shop. This will only occur on a digital SLR, happens often, and is mostly preventable. For tips to keep this mess out of your life, refer HERE
This is an example image from a bad CCD
. This can happen in both point & shoot digital cameras and digital SLRs. This is especially a common issue in many of the older p&s. This is an extreme case of bad CCD, but they sometimes go out gradually and you may have your actual taken image with some minor lines or discoloration through it. This is not an easy problem to fix, and is not an issue for home repair. If you have this problem, you will need to send that camera out to a repair shop, or in some cases may be under warranty through the distributor.
Monday, February 15, 2010
An experiment shooting digital pinhole:
Toy cats as the test subjects.
A homemade pinhole cap (with filter glued on the front so dust would not get inside the lens mount and reach the sensor).
Shot straight from the camera using pinhole cap.
Shot using pinhole cap and a fisheye adapter screwed into the filter (that's glued on the cap).
Instead of making the area of view wider with the fisheye adapter, it made it much smaller as if looking through a doors peep-hole.
The softness was an interesting outcome. Aren't pinhole images supposed to have a huge depth of field where everything is in focus? Research indicates this is
what happens when the element of digital is introduced to pinhole photography, and diffraction is the culprit.
For more on the diffraction/pinhole/digital issue, refer HERE
Wednesday, February 17, 2010
Shooting "Real" TTV:
You may be wondering what to do with your old film cameras that may or may not be in working condition. An interesting way to combine old and new technology is to shoot through the viewfinder
, or TTV
. One of the most common cameras being used for this technique is the Kodak Duaflex, but any camera with a large waist level type viewfinder will do.
The Duaflex has a convex viewfinder which creates a nice edge effect.
In addition to the Duaflex, you will need a digital SLR with a macro lens. A lens with an extension tube or a close up filter would also work. In order to keep most of the light out and avoid glare on the viewfinder, you will also need material to build a shade which you will shoot the viewfinder through. I used cardboard and duct tape that I spray painted black. To determine the height of the box, focus the SLR and lens you are using on the viewfinder so that it fills as much of the shot as possible and measure the distance between the SLR camera and the top of the Duaflex (or other viewfinder model).
My finished product looked like this:
The images have a vintage feel with the immediacy that comes with using digital technology. This technique is also nice for creating texture and a different look without using Photoshop.
Shooting "Fake" TTV:
You can also create this effect in Photoshop if you take one shot TTV on a white background to use as a "filter", or download a pre-made TTV filter.
Once you have the TTV image, pick any image you would like to transform.
Open both images in Photoshop. Select "all" in your TTV image and copy your selection. Now click on your regular image and paste the TTV image into this image (I resized my image to more closely match the TTV image). You will not be able to see through the pasted TTV shot until you select the layer with the TTV image and switch the drop down menu from normal to multiply. Now you can choose to manipulate the opacity until the desired effect is produced. I also selected my background layer and adjusted the brightness a little higher since the TTV layer darkened the original layer.
Either way you do it, this process produces a fun effect that is rapidly growing in popularity!
Thursday, February 18, 2010
If you happen to purchase one of the Franiec
lens rings for the Canon G9, (shown here- it's all back vs. the Canon's stock ring which has a silver stripe around it), be aware that there's a slight trick to getting them on properly.
The ring must be mounted with the small bayonet flange facing up. Be gentle, and let it click into place. If it's forced on, the only way to remove it is to cut it off. This seems to be a common problem, as we've seen many of these that have been forced on.