Alley in Pisa, Italy

by Lars Kotthoff

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5,567 reputation
616
bio website pfarrell.com
location outside Washington DC
age 63
visits member for 2 years, 5 months
seen Jun 30 at 2:57

Programming since punched cards


May
18
comment Recommended driverless GPS loggers?
You use Finder or Windows Explorer or whatever your OS uses to copy files. Or you can just drag and drop them. Standard operating system stuff that any Mac, Windows or Linux user uses all the time. The AMOD device is simply seen as a disk with files on it.
May
17
revised Recommended driverless GPS loggers?
cover transfer to host
May
17
answered Recommended driverless GPS loggers?
May
16
comment Is there a way to use Canon 18-200 EF-s lens on Canon 6D full frame body?
It was a mediocre lens when new. They sell for about $400 in excellent condition. Canon makes lots of great lenses, this is not one. Just sell it. Get a 50mm F1.4 if you can't afford anything else.
May
14
comment Do I risk damaging my camera if I use an aftermarket AC adapter?
"any risk" is too subjective to be a good SE topic. All of life is a risk. There is a non-zero risk of damage from Canon branded stuff, let alone nameless clones. Are you really able to objectively evaluate the risk? Do you expect us to evaluate it for you?
May
10
comment What is the Canon 50d made from?
As others have said, the frame is alloy. What, exactly, do you mean by "primarily"? By weight? by volume? By what you can touch? Why is this important to you? The 50D is a 6 or 7 year old design. I love mine, but they are only sold on the used market.
May
9
comment Why do Canon EF and EF-S lenses exhibit the same crop factor?
You are confusing things. From the same tripod location, the same 70mm lens will take the same image. Consider a photo of a person. Their head might take up all of an APS-C sensor, and only a very small part of a medium format image/sensor. On the medium format, it will probably be at least a 3/4 shot, due to the larger sensor. But the subject's head will be exactly the same size in all formats.
May
8
answered Why do Canon EF and EF-S lenses exhibit the same crop factor?
May
7
comment What makes sound in a DSLR camera?
DSLRs have lots of big parts that move and make noise. The mirror is the worst. I've never seen a credible way to lower the real noises that keep the full functionality. So for quiet shooting, don't use a DSLR. The noise from a flash recharging its cap is the vibrations of the switcher circuit that converts 5v to 300v that the main capacitor needs.
May
7
comment What makes sound in a DSLR camera?
The Fukifilm X100s is getting rave reviews for its silent operation. It has a control for an electronic sound that can mimic a loud shutter, because the actual camera is silent. Thus, the real answer is don't use a DSLR.
May
6
comment Why is the Canon Digital Rebel XT so loud?
The XT is built to meet a very low price. It has nothing it doesn't need. A nice way to quiet it is to use a 50D or 60D
May
2
answered Will there be a need for cameras at all once we have 4k video?
May
1
answered Anyone suggests Zeiss 100mm f2 macro planar?
May
1
comment How was contrast increased back in the film days?
Do you want to know how to change it after the photo is taken? One of the big reason to select different films is to get different contrast ratios (which comes along with different ASA speeds)
May
1
comment upgrading from kit lens
This answer is all opinion. "Horrible" and "optics... as good as a L series" need references or substantiation.
May
1
answered upgrading from kit lens
Apr
28
comment Does the setup of Vivitar 283 flash with radio triggers work with Sony NEX 6?
Good approach. Normal problem solving would be to just use a PC-sync cable and make sure that works. Remove triggers from path. But you really need a voltage isolator, like bhphotovideo.com/c/product/245292-REG/…
Apr
28
answered Does the setup of Vivitar 283 flash with radio triggers work with Sony NEX 6?
Apr
27
comment What do you take on a hike as a landscape photographer?
Here is an article: photographylife.com/how-to-use-a-monopod and a video youtube.com/watch?v=1KfR8mM4dtI One huge advantage of the X100s is that it has no mirror flapping up and down, so you can hand hold it with much better results.
Apr
27
comment What do you take on a hike as a landscape photographer?
Not 100%, but often 98% or more. Of course, if the goal is a particular shot from a place that requires a hike, take what you want. Or rent a helicopter. I read the @OP as taking a hike and wanting to record the great views.