Downsampling to reduce noise, but by how much?

by Phil Askey on November 26, 2008 in Camera reviews | TrackBack (0)

There has been much contention recently that we're being unfair on high megapixel cameras which show higher levels of noise than lower megapixel cameras. The almost universal argument is that "you can downsample the high megapixel image to reduce noise". This statement is often made with no evidence or example, this article is intended to provide some examples so that you can make your own mind up.

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Sprechen Sie FujiFilm?

by Richard Butler on November 25, 2008 in Camera reviews | Comments (41) | TrackBack (0)

Starting work at dpreview.com is an odd affair. Not only does writing for the web entail many more people reading your work (and scrutinising and criticising it), it also means learning to write for a very different audience: an International one...

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Why 50s? (and other musings)

by Andy Westlake on November 11, 2008 in Lens reviews | Comments (14) | TrackBack (0)

The responses to my list of upcoming lens reviews were certainly interesting, and proved (as if we didn't already know) that you can't please all the people all the time. Indeed with requests flooding in (OK, trickling) for reviews of everything from ultrawides to superteles, via F2.8 standard zooms and fast portrait primes, it seems that in this particular field we can only please a few people at any one time. We've also had a few comments on the 50mm lens review series (some encouragingly along the lines of 'why bother?') so I thought I'd expand a bit on our reasons for testing these lenses.

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Welcome to the Velodrome (or, life outside the studio)

by Richard Butler on November 10, 2008 | Comments (26) | TrackBack (0)

One of the strangest comments I repeatedly see is: ‘they don’t use their cameras in the real world,’ stated, as all things must be on the forums, as absolute fact. As if the sample galleries that accompany every review somehow generate themselves.

As my friends (who can no longer meet up with me without having a camera pointed at them or being asked to stand around as I kneel, climb or wait to ‘get the shot right’) will testify, we all-but sleep with the camera we’re reviewing (and I can’t guarantee some of us wouldn’t do that, if we it weren’t for the fact that the results would be unpublishable). And part of the opinion we build up about a camera is based on that real-world experience, rather than simply shooting test charts all day – though it’s possible to anticipate a lot of the real-world image performance from learning to interpret the different tests.

We try to make sure that our shooting experiences are a little bit varied – or, at least, that’s the justification I used to convince Phil to let me attend the first round of the Track Cycling World Cup in Manchester, recently. I’d originally been hoping to take the EOS 50D and a nice, fast telephoto lens; perhaps with an external flashgun of some description. Unfortunately, my all-too-efficient colleague Lars finished and published the review before the day came.

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Is anyone here listening? Of course!

by Simon Joinson on November 10, 2008 | TrackBack (0)

As I sat working my way through my emails this morning it occurred to me that it might be worth posting a quick note about the best way to contact us here at dpreview, what's likely to get you a reply and what happens when you send feedback.

Firstly, and surprisingly for some of you I'm sure, we don't only welcome your feedback, we do read it and we often act on it. What's important to remember here is that our editorial team here consists of a handful of people with full-time jobs producing content (as well as forum moderation), and this means that we simply can't answer every email we get, nor can we acknowledge every bit of feedback. But that doesn't mean it hasn't been read (and if necessary, acted upon).

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Is this thing on?

by Phil Askey on November 05, 2008 | Comments (38) | TrackBack (0)

From the bet-you-didnt-see-that-coming dept., your eyes don't deceive you, we've really started a blog. To be more accurate, two blogs, one for our editorial team and one for our developers. Over the last few years we've come under criticism for not being more open with our readership, there have been many reasons for this, not least of which a simple lack of resource.

The good news is that we now have a team, and a good one at that, six on the editorial team, two developers and often floating (bouncing?) between the two, my good self. So here's a channel for us for be more open with you, to try to keep you up to date with what's going on behind the scenes and as a place for us to answer common or topical questions in a more permanent / easily referable manner.

So dig in and enjoy, we've primed the blog(s) with some news and I'll be cracking the whip to ensure we have a steady flow of entries here.

Compact Camera Reviews - they're coming (in a way)

by Simon Joinson on November 05, 2008 | Comments (21) | TrackBack (0)

Around a year ago we had our new reviewers trained to the point where they were ready to produce their own reviews. Before we even started recruiting we knew we'd start them off with compact cameras - partly because a compact camera review is considerably less involved than an SLR, partly because there are so many compact cameras on the market. Perhaps predictably every compact review we released was met with a torrent of complaints suggesting that we shouldn't be wasting time on 'point and shoots' when there were so many SLRs in the queue.

By the time spring arrived two things were obvious; that we were going to struggle to keep up with the flood of new SLRs, and that the compact camera market had reached something of a plateau, with 'new' models being nothing more than 'old' models with marginally bigger screens or vital new features such as smile detection. So we took the decision (and, I should add, not lightly) to concentrate our limited resources on covering all the SLRs in depth before we went back to compacts.

To be honest it wasn't that difficult a decision; we get at least 20x more people reading an SLR review than a compact review (with most compacts sold being in the sub-$150 bracket I think it's safe to assume that the amount of pre-purchase research buyers are doing isn't considerable).

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Painting pictures (in 1000 words or fewer)

by Richard Butler on November 05, 2008 | Comments (26) | TrackBack (0)

We’ve been, from time-to-time, accused of using overly flowery language in the reviews on this site. We try to tread that fine line between trying not to say exactly the same thing time-after-time and lapsing into the incomprehensible. And, on the whole, I think we get it about right. But, as you'd expect, there is the occasional dissenting voice on the forum demanding that we must just state the facts as dryly as possible (But then the forums would be a much less 'vibrant' place if everyone agreed on everything).

However, our linguistic forays - even at their most florid - are nothing compared to the adventures in prose undertaken on behalf of some of the camera companies. Perhaps it’s because much of the underlying material has been translated from unrelated languages – a process that can result in some beautiful, if somewhat enigmatic, imagery. Or maybe because there are few jobs more thankless than having to compose three pages-worth of compelling text about a camera that differs from its predecessor only in the inclusion of a larger screen, a more densely-packed sensor and a smattering of new scene modes (surely soon to include ‘Friends eating Lancashire Hotpot on a Wednesday evening in summer' mode).

Statements such as: “The subject floats serenely in its own world, like a misty memory or the landscape of a dream” are not unheard of, making me slightly concerned that the next time I order prints I’m going to be confronted with the question: ‘What finish would you like? Gloss, Matte or Whimsy?’

My favourite of late, however, must be the press release that suggesting that the camera it was pushing included a mode that can create: “a sense of déjà vu.” Which sounds lovely, unless you make the mistake of thinking about it too hard. I suspect that, if you take photos for yourself, then you’re probably doing so to preserve memories, in which case the sensation of having experienced the scene before should really come as standard; and those who’re taking photos to show or sell to other people probably aren’t hoping for the response: “I’ve already seen this.”

Adobe Camera RAW in our reviews

by Lars Rehm on November 04, 2008 in Camera reviews | TrackBack (0)

We have a brand new blog which desperately needs some content before it can be launched and following our recent Canon EOS 50D review there has been quite a lot of discussion in the forums about the use of Adobe ACR as a RAW converter in our reviews. These, I thought, were two good reasons to get into blogging mode and write a brief article that explains why Dpreview is using ACR and not proprietary or other third party converters for its tests.

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Upcoming lens reviews

by Andy Westlake on November 03, 2008 in Lens reviews | Comments (53) | TrackBack (0)

The level of interest in our Canon 18-200mm review has persuaded us that we should test a few more superzooms in comparison  (the great strength of the widget is that we don't need to have the lenses in-house simultaneously for side-by-side shooting). So expect to see some leading 18-2x0 mm zooms interspersed with our still-ongoing series of 50mm primes. Lenses on the shortlist for reviews in the near future include the following:

50mm Lenses:

  • Pentax 50mm F1.4 (on K20D)
  • Sony/Minolta 50mm F1.4 (on FF and APS-C)
  • Canon 50mm F1.8 II
  • Nikon 50mm F1.8

Superzooms:

  • Sigma 18-200mm OS
  • Tamron 18-270mm VC
  • Sony/Pentax/Tamron 18-250mm

(The Panasonic/Leica 14-150mm would be an obvious comparison for Four Thirds users, but its limited availability and high price will necessarily affect the final decision on whether we review it.)

At some point we still hope to test the Sony 70-200mm F2.8G on both FF and APS-C, to see if it can justify its stratospheric price-tag in comparison to the competition from Tamron and Sigma.

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