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| bio | website | |
|---|---|---|
| location | United Kingdom | |
| age | 28 | |
| visits | member for | 2 years, 8 months |
| seen | 1 hour ago | |
| stats | profile views | 23 |
I'm a PhD student in computational biology at the University of Birmingham in the UK. I've been programming steadily for nearly 15 years, though rarely professionally. I started programming in C, took an unpleasant detour through VB6 then learnt Java, C++ and most recently, Python.
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21h |
comment |
How to get this “Resident Evil” photo effect I suspect liberal use of the clarity slider in Lightroom, careful application of HDR to really bring the details out and possibly a colour filter in front of the lens. |
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1d |
comment |
Why is my camera so forgiving for overblown exposure? Even better, the Sony A99 has an Exmor sensor, which is essentially ISOless. That is, pulling or pushing an exposure by a few stops in post has essentially the same effect on noise as changing the ISO in-camera by the same number of stops. |
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May 16 |
revised |
Is there a way to use Canon 18-200 EF-s lens on Canon 6D full frame body? added 200 characters in body |
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May 15 |
revised |
Is there a way to use Canon 18-200 EF-s lens on Canon 6D full frame body? Minor corrections |
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May 15 |
revised |
Is there a way to use Canon 18-200 EF-s lens on Canon 6D full frame body? added 13 characters in body |
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May 15 |
comment |
Is there a way to use Canon 18-200 EF-s lens on Canon 6D full frame body? I can't find the link I'm thinking of at the moment, but will add it in if I can find it. |
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May 15 |
answered | Is there a way to use Canon 18-200 EF-s lens on Canon 6D full frame body? |
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May 15 |
suggested | suggested edit on Is there a way to use Canon 18-200 EF-s lens on Canon 6D full frame body? |
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May 14 |
comment |
Noob photographer, seeking help for day-to-day lens I suspect he has the 55-250, not any of the 70-200s. OP isn't sure about what lenses he has, and the 18-55+55-250 kit is a common one for Rebels. |
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May 14 |
comment |
Circular Polarization and Passive autofocus @Thanos: PDAF will be affected, because it's working with a fraction of the light available to the sensor in the first place. Anything that cuts down further on that fraction is going to affect PDAF. |
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May 14 |
comment |
Circular Polarization and Passive autofocus @Thanos: Fair enough. However, CDAF should not be affected by a linear polariser, since there are no mirrors in the path of light. If an IR/ultrasound pulse is being transmitted, then I would think that it's pretty obvious why a polarising filter doesn't affect it! |
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May 14 |
comment |
Circular Polarization and Passive autofocus @Thanos: "Passive autofocus" (more correctly, phase detect autofocus) involves several mirrors. In "active autofocus" (contrast detect autofocus), the light shines directly on the sensor or film without encountering a mirror. You should now be able to connect the dots... :) |
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May 12 |
comment |
How do you choose among different 70-300mm lens for Nikon DSLRs? I have an older version of the Tamron in a Canon mount. The best I can say about it is that it's not terrible between 70 and 200 and absolutely atrocious at 300. |
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May 10 |
answered | What are the different focal lengths of macro lenses and their advantages? |
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May 10 |
comment |
Why is buying lens so satisfying? This happens with most equipment-intensive hobbies, I think. I know birders with a cabinet full of binoculars, scale-model makers with more models than they can possibly complete, and DIY types who keep buying tools, almost compulsively. As a person who walks around forests a lot, I myself have a mild obsession with bags, as well as with lenses. |
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May 10 |
comment |
Is the 7d truly the successor to the 50d? Oh, don't get me wrong, I really like the newer Rebels. I've been using a friend's 600D to supplement my 30D, and the results from the Rebel are fantastic. It does mean that there are only limited reasons to buy the 60D though. Really, apart from the dual control dials, you're better off buying a Rebel now and saving your money to jump to the 7D (notwithstanding future products). |
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May 10 |
awarded | Nice Answer |
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May 9 |
answered | What do you call the technique for removing uninteresting parts of photo by combining two images? |
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May 9 |
comment |
Colored powder in a lens: will it need a cleaning? @Itai I'm afraid weather-sealed cameras seem to offer no protection against this particular type of dust. See lensrentals.com/blog/2013/05/… |
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May 9 |
comment |
How to protect camera and lenses against “color bombs”? The dust from colour is really, really fine. If you don't want to use a waterproof enclosure, or perhaps even with one, you might be well-served by using a long telephoto lens to take your shots from a good distance away. Your composition and the intimacy of the photo might suffer a bit, but your gear won't! |
