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5,655 reputation
617
bio website pfarrell.com
location outside Washington DC
age 63
visits member for 2 years, 10 months
seen Nov 6 at 18:15

Programming since punched cards


Aug
11
comment Which camera to buy?
This one is well reviewed, is about $300 at Amazon. My wife has an older model and loves it. Canon PowerShot S100.
Aug
11
answered Which camera to buy?
Aug
9
answered Is camera flash actually harmful to infants or newborns?
Aug
8
comment Wrong screwdriver broke Canon 70-200mm small screw. Any way of unscrewing it?
Trying to drill it out is very dangerous. You will have to use a tiny drill bit, and they are easy to break. When you break it, you will have a hardened steel bit broken off in a soft steel (or maybe brass) screw which is stuck in a plastic or soft metal part. This is nearly impossible to undo. Try the chisel or punch approach first.
Aug
8
answered Wrong screwdriver broke Canon 70-200mm small screw. Any way of unscrewing it?
Aug
8
comment How can I control a DSLR camera programmatically?
I think you really mean programmatically by an external computer using software you write. What requirements do you have that are not met by things like Canon's free DPP? Check out David Hunt's Raspberry PI in a battery holder for his Canon DSLR: davidhunt.ie/?p=2641
Aug
6
answered How do I start a career in photography?
Aug
5
answered With a limited budget, how should I invest between flash power and light modification?
Aug
2
comment What does “Strobist” in Photography mean?
David has written repeatedly that he invented the word strobist as he started the blog. He wanted a term he could own. And he does protect it, folks trying to use the term to describe a product get reminded that David owns the term. Some places, such as mpex.com have David's permission to use the term.
Jul
31
answered Can I repair minor abrasions on my Canon 14mm F2.8 USM front lens element?
Jul
31
answered What ISO should I use on my Nikon D5200 to avoid visible noise in 4×6 prints?
Jul
26
comment How do I change camera settings inside Lightroom using tethered capture?
I have three LumoPro LP160s. All triggered by Cactus V wireless triggers. I use a remote release switch with the camera on a tripod. I don't like using the buttons in either Lightroom or DPP
Jul
26
comment Canon 7d or 70d can't decide
The 7D is a great camera, but its getting long in the tooth. Most of the rumour sites say that the 7D mark 2 is do out Real Soon Now, but they have been saying that for 2+ years. If you need a camera in a month or so, I say get the 70D.
Jul
23
comment Canon 40mm STM - The focus cannot be adjusted in manual mode
At least the 40mm STM is focus by wire. The focus ring does NOT change the focus, it tells the computer that you want it to focus this way or that way. Then the computer tells the motor. Its a great lens for the price, but its not perfect.
Jul
22
comment How do I change camera settings inside Lightroom using tethered capture?
I could not get close to 14. I found it backed up after about 4 or 5. And this is not burst mode, but rather manual clicks as typical of a portrait session, where the model/subject changes her smile or eyes between pops. It could not keep up with the recharge speed of my speedlights.
Jul
22
revised How do I change camera settings inside Lightroom using tethered capture?
added 48 characters in body
Jul
22
answered How do I change camera settings inside Lightroom using tethered capture?
Jul
21
comment Do Lenses have a lifespan?
I've got lenses for my Nikon F that are 40+ years old. They work fine. They do not work with the latest Nikon bodies. For a new DSLR user, they are functionally obsolete. But if you shoot with an old camera they work fine, close to 100% as good as they did 40 years ago. They are not as good as a decades younger lens, as the start of the art has progressed.
Jul
21
comment Do elements drift out of place with age in zoom lenses?
There is also the fact that as you use a lens, you tend to bang it into things. These small shocks can accumulate over years. But an 18-200 is a wide zoom lens, so if you compare it to a new prime, or a zoom with a smaller range, it will show as a loss of crispness
Jul
19
revised Why can't software fix bad lighting?
extend to better address OP's question