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Photography Questions

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Photography Questions

Digital Photography Questions

Digital Photography Questions



Have a question about digital photography or digital cameras?

Ask your question or find answers for some frequently asked digital photography questions here.

If you have a question about digital photography or digital cameras we would love to hear from you. You can use the form below to submit your photography question or check out the ones that have already been answered.

We also welcome you to submit a digital photo or photos along with your question if you have one you would like us to comment on or an issue you would help with.

Which one is better ... Nikon Coolpix P500 or Panasonic Lumix DMC-FZ100?


Which one is better ... Nikon Coolpix P500 or Panasonic Lumix DMC-FZ100?

Answer:
As is true in many cases when comparing similar cameras from two different manufacturers one model will seem to have the edge on a certain specification while the other one will be better on another feature or specification.

In the case of the Nikon Coolpix P500 vs. the Panasonic Lumix DMC-FZ100 when you compare specifications of the two cameras head to head it would appear that the Nikon wins the battle.

Both cameras use basically the same size CMOS image sensors. The Lumix has a higher megapixel sensor, 14.1 megapixels compared to 12 megapixels on the Nikon. However, we know that more megapixels crammed into the same size sensor are not always a good thing. Understanding the "megapixel myth" syndrome is important to avoid placing too much emphasis on a higher megapixel count when considering two different digital cameras with the same sized image sensors. Because the Nikon actually has fewer megapixels, one might expect it to have the edge in overall image quality especially at higher ISO settings, and when comparing pictures taken with both cameras under controlled settings that do appear to be true. As far as image quality I would give a slight edge to the Nikon, but I recommend anyone considering these two cameras to do the comparison themselves.

When I attach a 4x magnifier to my 75-300 lens it won't focus on anything.


When I attach a 4x magnifier to my 75-300 lens, it won't focus on anything, even a mile away.

Answer:

The reason your lens will not focus correctly is most likely because it does not have enough light to do so. A 75-300 lens is normally a variable aperture lens meaning that as the lens is zoomed the largest aperture the lens can open to changes. These lenses are generally considered to be "slower" lenses meaning they require more light than a "fast" fixed aperture professional-grade lens does. This is why they are not suited to shooting in lower light conditions or with lens extenders attached to them.
All cameras require a certain amount of light to focus properly. The amount of light needed for your camera to auto-focus depends on the brand and type of camera but all cameras even the high-end professional models will not auto-focus without adequate light reaching the focus sensor. Read more...

Question on Resolution


Hi
In auto mode, I am getting pictures of only 72 resolution. I need a minimum of 300. How do I set that setting on a Sony DSC-HX100V?

Answer:

I believe you are confusing display and or print resolution with the image resolution your camera captures. The Sony DSC-HX100V captures images at a resolution of 16.2 megapixels at the default or normal setting. The numbers you are referring to would be either the numbers of Pixels Per Inch (PPI) or Dots Per Inch (DPI). These numbers have nothing to do with the image resolution your camera captures, but are settings that determine how the image is displayed on a computer monitor or printed using a photo printer. As such they are not set in the camera itself but are often controllable by the software you use to display or print your images.
The 72 PPI (pixels per inch) you reference is the typical or standard resolution for displaying an image on a computer display or a website. 72 PPI is pretty much the standard pixel per inch ratio for displaying a high-resolution image on a computer monitor. The pixel per inch settings you are referring to simply tell you how big you can print or display your image and are not indicative of the resolution your camera captures. Read more...

Question: My Sony DSC-HX100V Has a Slight Vibration of the Lens...Is That Normal For This Type of Camera?


I bought a Sony DSC-HX100V last week. I noticed some tolerance between the lens and the body. Quickly moving/shaking the camera causes a tangible vibration of the lens, although it's little. This mechanical tolerance is always present, even when the camera is turned off.
Sony says this is quite normal considering the lens-size. I questioned myself: is this true? Is this a typical trait of a Sony mega-zoom?

Answer:

As long as the movement or vibration of the lens is not extreme it would likely be within normal tolerances for the lens on a mega-zoom camera especially when the lens is fully extended.
My personal Sony DSC-HX1 exhibits a very small amount of play or "vibration" in the lens mount. This movement is very small but is sometimes discernable more by feeling it than seeing it. The lens and camera work fine and have taken countless pictures with no loss of image quality or reliability.
If you are concerned about the play or vibration in your DSC-HX100V or you have any issues with the camera functioning correctly you should check with your dealer to see about a possible exchange or send the camera to Sony to be repaired under the Sony's limited warranty.

How do I set my Canon Powershot a4000 is to take good action/sports pictures?

How do I set my Canon Powershot A4000 is to take good action/sports pictures?

Answer:

The Canon Powershot A4000 is what is known as a "point and shoot" camera. These cameras are designed to be simpler in operation than a DSLR and as such often have limited manual or semi-manual modes which can limit their ability to take good sports action shots. Read more...


How do I avoid the white shadow effect in some HDR shots of old buildings?

How do I avoid the white shadow effect in some HDR shots of old buildings?

Answer:
The answer to your question depends on what type of software you are using to produce your HDR image. The white shadow effect is what is known as a “halo” and there are different ways to control the halo or correct it.

Some HDR software has adjustment sliders that let you vary the different effects on the tone-mapped image. For those programs correcting or reducing the halo effect can be as simple as fine-tuning the right adjustment sliders. Read more...


Canon SX30IS or Sony HX100V


I am stuck trying to decide the Canon SX30IS and the Sony DSC-HX100V. Please give me your suggestion as to which you would recommend for me, including your reasons.

Answer:

Either one of these cameras would make a great choice but my vote would be for the Sony DSC-HX100V.
The biggest positive I see for the Cannon over Sony is the slightly longer focal range of the 35X zoom which gives you a 24mm to 840mm (35mm equivalent focal range). On that point alone the Canon certainly has the edge over the Sony HX100V with its 30X zoom with a 27mm to 810mm (35mm equivalent focal range). But when you consider some of the other important specifications the Sony edges the Canon out. Read more...


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