l_d_allan

l_d_allan

Lives in United States Colorado Springs, CO, United States
Works as a retired software composer
Has a website at berean.zenfolio.com
Joined on Jan 16, 2009

Comments

Total: 177, showing: 1 – 20
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On article The whole nine yards: Canon 35mm F1.4L II USM review (287 comments in total)
In reply to:

fPrime: Personally the 35L Mk I is a better choice for me than the 35L Mk II. I prefer the older lens for it's well known ability to produce superb 3D pop.

Sure, at pixel level the 35L Mk II is slightly sharper and has better correction for CA. But these same optical corrections have also robbed a little of the 3D magic from it. This was the penalty for adding 3 more elements to the design. The lower element count rendering of the older 35L Mk I contributes to its ability to create a deeper illusion of depth.

Wish DPR would have included some comparative examples of real three dimensional objects so the depth rendering could have been studied. The examples here are unfortunately flat, distant objects and therefore only useful for comparing sharpness and CA.

Rishi: > I think there's a lot of room for improvement [for reviews]

I'm a fan of the DPR widget that shows resolution graphs with user-adjustable aperture (and focal length for zooms).

Link | Posted on Dec 7, 2016 at 00:42 UTC
On article The whole nine yards: Canon 35mm F1.4L II USM review (287 comments in total)

The review adds to my satisfaction and appreciation of the cost effective EF 35mm f2 IS.
https://www.dxomark.com/Lenses/Compare/Side-by-side/Canon-EF-35mm-F2-IS-USM-on-Canon-EOS-5DS-R-versus-Canon-EF-35mm-F14L-II-USM-on-Canon-EOS-5DS-R-versus-Canon-EF-35mm-F14L-USM-on-Canon-EOS-5DS-R__1086_1009_1589_1009_797_1009

Link | Posted on Dec 7, 2016 at 00:37 UTC as 5th comment

These may be non-USA models. A model code ending in ##2# usually indicates USA, and ##50# typically indicates non-USA.

I didn't find any information about these printers on the Canon USA website.

Link | Posted on Sep 9, 2016 at 12:10 UTC as 4th comment
On article Striding Forth: Canon EOS 5D Mark IV Review (2084 comments in total)
In reply to:

TMW: I was wondering something. Maybe I missed it, maybe it is just self-evident.

The Dual Pixel RAW thing only works with Canon DPP, right?

Does it work with Sigma lenses?

Seems like it will eventually work with Adobe's ACR / Ligntroom.

Link | Posted on Aug 25, 2016 at 14:12 UTC
On article Striding Forth: Canon EOS 5D Mark IV Review (2084 comments in total)
In reply to:

l_d_allan: AA filter? (sorry if already asked or in the specs)

Could the Dual-Pixel implementation be tweaked to provide Pixel-Shift like improvements to Resolution and/or Dynamic Range? A'la Pentax K-1?

Intervalometer? (seems like there was a mention)

More flexible BULB, like being able to specify 150 seconds? (a'la MagicLantern)?

Dual or Single SD card slot[s]?

> The three buttons above the top plate LCD control the same functions as those on the Mark III, but Canon has flipped the order of each button's functions. This change aside, the Mark IV looks exactly like a Mark III from above.

Changing the button locations seems really dumb. I found it annoying how much my 6d UI changed from my 5d2, and this seems "more of the same". Was there a compelling reason to change these locations?

I can speculate I might be interested in this camera about the time the Devs at MagicLantern implement a version for this (hint hint) ... by then "early adapter predatory pricing" might have come down.

More questions, related to existing MagicLantern capabilities:

Possible to do something like star-trails ... 300 count at BULB of 4 minutes with 4 minutes 2 seconds between captures?

Anything comparable to MagicLantern's Dual-ISO that improves DR?

Any chance of RAW based histogram, blinkies, zebras, Preview, Review, etc. a'la MagicLantern?

Any chance of auto-ETTR and/or Auto-Dot-Tune-MFA a'la MagicLantern?

My suggestion: Canon should hire the ML guru Dev's ... YESTERDAY.

Here's a link to photonstophotos.net with DR comparisons for the 6d, 80d, 1Dx, 1Dx-ii, the Sony a7Rii:
http://photonstophotos.net/Charts/PDR.htm#Canon%20EOS%201DX,Canon%20EOS%201DX%20Mark%20II,Canon%20EOS%2080D,Sony%20ILCE-7RII

I'm unclear how the higher resolution 5D-iv will compare to the lower res 1Dx-ii.

Link | Posted on Aug 25, 2016 at 14:11 UTC
On article Striding Forth: Canon EOS 5D Mark IV Review (2084 comments in total)

AA filter? (sorry if already asked or in the specs)

Could the Dual-Pixel implementation be tweaked to provide Pixel-Shift like improvements to Resolution and/or Dynamic Range? A'la Pentax K-1?

Intervalometer? (seems like there was a mention)

More flexible BULB, like being able to specify 150 seconds? (a'la MagicLantern)?

Dual or Single SD card slot[s]?

> The three buttons above the top plate LCD control the same functions as those on the Mark III, but Canon has flipped the order of each button's functions. This change aside, the Mark IV looks exactly like a Mark III from above.

Changing the button locations seems really dumb. I found it annoying how much my 6d UI changed from my 5d2, and this seems "more of the same". Was there a compelling reason to change these locations?

I can speculate I might be interested in this camera about the time the Devs at MagicLantern implement a version for this (hint hint) ... by then "early adapter predatory pricing" might have come down.

Link | Posted on Aug 25, 2016 at 13:55 UTC as 395th comment | 2 replies
On article Rock Solid: Canon 1D X Mark II Review (438 comments in total)
In reply to:

tvstaff: Canon claims the 1DX MKII is weather sealed for extreme conditions. I find this to be false and misleading. Through my own experience and by conversations I've had with Canon. As a professional water sports photographer i can tell you this camera is not sealed for " extreme weather" as Canon claims in their ads.

See numerous rants by Roger Cicala at Lens Rentals on the hype about "weather sealing".

Link | Posted on Aug 1, 2016 at 13:00 UTC

Well, do they allow the kinds of basic post-processing you can do in ACR/LR?

I can see a reluctance for allowing "spot removal", maybe even for "dust bunnies".

You can easily give a lot of extra "pop / wow factor" to a sunrise / sunset with slider adjustments.

The Adjustment Brush can be used to take years on a person's wrinkles in seconds, along with blemishes.

What about balancing the light-balance with mixed lighting, which isn't difficult to do with gradients and/or Brush.

It's not difficult to have a "virtual spotlight" with the Radial Brush.

Link | Posted on Jul 6, 2016 at 21:01 UTC as 14th comment
In reply to:

Roland Karlsson: Interesting footage.

Maybe they make too much of some details. I mean, who do not know how to expose the moon? Interesting to see the non manipulated image though. And nice to see the old man himself.

Regarding this image. I have never been able to decide what I think about it. It has something, but it is not my favorite. Interesting also that the old man himself was a bit surprised that this image is one of the favorites.

I'd think the "Looney 11" would apply to all phases of the moon. The issue is that the surface of the moon is receiving full sunlight, regardless of phase. That would be if you want to see some details like large craters.

Link | Posted on Jun 29, 2016 at 12:16 UTC
In reply to:

Roland Karlsson: Interesting footage.

Maybe they make too much of some details. I mean, who do not know how to expose the moon? Interesting to see the non manipulated image though. And nice to see the old man himself.

Regarding this image. I have never been able to decide what I think about it. It has something, but it is not my favorite. Interesting also that the old man himself was a bit surprised that this image is one of the favorites.

Here's a link to the "Looney 11 Rule":
https://en.wikipedia.org/wiki/Looney_11_rule

Basically, it is the "Sunny 16 rule", but opened up one stop since the surface of the moon is about a stop darker than the earth.

Link | Posted on Jun 28, 2016 at 22:03 UTC
On article Setting new standards: Nikon D5 Review (492 comments in total)
In reply to:

mr.izo: d5 look lik a fine camera, no doubt, but what is happening here:
http://shrani.si/f/h/q/2e6IIAEw/dr.jpg

nikon downgrading its famous dr latitude, while canon is significantly better?

Do you have a link with valid measurements that shows the Canon 1Dx-2 has better DR than the 1st Gen? So far, I haven't seen the 2nd gen on Bill Claff's excellent PhotonsToPhotos site.

My speculation is that the Canon 2nd gen should incorporate tech from the D80 with improved APS-C DR, but that may be wishful thinking to infer the 2nd gen would have correspondingly better DR.

Link | Posted on Jun 1, 2016 at 20:00 UTC
On article Setting new standards: Nikon D5 Review (492 comments in total)

Great that DPR reviewed the D5 in a relatively timely manner. IIRC, the D4 never received a full review.

To me, the flagship model[s] from CaNikon provide something of a "road map" and "preview of coming attractions"

And now the 1Dx-2?
The Mark-1 never had even an entry in the NR drop-down combo-box, but the D4 did.

Suggestions:
DPR should directly or indirectly incorporate charts from Bill Claff's PDR (Photographic Dynamic Range).

There could also be references to Jim Kasson's in-depth (geeky?) articles on his TLW (The Last Word) blog.

Link | Posted on Jun 1, 2016 at 19:55 UTC as 131st comment
In reply to:

Peter62: The D5 may be fast, but in terms of dynamic range it seems to be a desaster!

Look here:

http://www.photonstophotos.net/Charts/PDR.htm#Fujifilm%20X-E2,Nikon%20D3200,Nikon%20D5,Nikon%20D750

Agree that both cameras will be "at home" from ISO 1600 and above.

Another advantage of good vs very good DR vs Greeeeaaaaaat involves avoiding HDR. This "Canon f.f. semi-defector" went from routinely using HDR with my 5d2 and then 6d, to essentially never with my a7Rii with Exmor.

IIRC, I played with HDR just for testing during my first month of ownership, and then none since ... and that is with panos, which are inherently high contrast.

http://www.photonstophotos.net/Charts/PDR.htm#Nikon%20D4,Nikon%20D5

When you examine the Nikon D4 vs D5 dotted lines, they are very close. The D4 is actually 0.4 EV better at ISO 100. They are essentially the same ISO 1600. From ISO 2000 and above the D5 is consistently about 0.7 EV higher than the D4, where it counts. That would be visible if you know what to look like.

Note that charts from the PhotonsToPhotos.net web-site use PDR, which tends to be from 1 to 2 EV lower than DxoMark's EDR.

PhotonToPhotos.net doesn't have data for Canon 1Dx-2

Link | Posted on May 31, 2016 at 19:16 UTC

Reminds me of inflated prices for "eye-balls" back in the Dot-Com era of the late 1990's.

Hmmm ... let's see, how did that turn out???

Swiiiiiiiiish, the giant swirling sound of trillions of $$$ going down the toilet.

Another hmmmmm ... DPR has become a huge time sink, yet I don't think I have more than a very few Amazon purchases over the past several years, maybe none. I still use NewEgg a lot, even for some camera equipent.

I suppose Amazon + GearShop generate revenue me as a gateway to B&H.

Link | Posted on May 25, 2016 at 19:01 UTC as 13th comment
On article Canon EOS 80D Field Test: Barney builds a boat (220 comments in total)

Gosh, my first impression was that the transmitter antenna was glued to the lens barrel. Huh?

Link | Posted on May 25, 2016 at 18:52 UTC as 44th comment
In reply to:

Peter62: The D5 may be fast, but in terms of dynamic range it seems to be a desaster!

Look here:

http://www.photonstophotos.net/Charts/PDR.htm#Fujifilm%20X-E2,Nikon%20D3200,Nikon%20D5,Nikon%20D750

Hardly.

When I include the D810 with best in class DR, the D5 seems to have at least as good DR from about ISO 1600 on ... catches up and pulls away.

I don't think of either the D5 or 1Dx-ii as ISO 100 landscape cameras to live on a tripod.

Link | Posted on May 25, 2016 at 18:50 UTC

> After a 10-hour wedding shoot most photographers are ready to head home and put their feet up ...

I'd think they would be heading for the computer to commence post processing ... ;-)

Link | Posted on May 14, 2016 at 19:55 UTC as 16th comment | 1 reply
On article Benchmark Performance: Nikon D810 review (1988 comments in total)
In reply to:

l_d_allan: This "Canon f.f. defector" to the a7Rii is always surprised to read posts from people who have switched or considering switching from the D8#0 family to the a7Rii. They may be disappointed.

Especially since the adapter situation for Nikon lenses is much less mature than for Canon lenses.

Better than expected. On a scale of "worst case to best case", it is definitely closer to "best case", far from "worst case", but not yet all the way to "best case".

My mid-level ~$100 FotodioX works quite well, so this retired hobby'ist has been relieved to find out I didn't need the pricey $400 Metabones. YMMV.

I do find myself using my 6d more than I expected, so my use of the term "defector" isn't all that accurate on my part.

Some of that is being slow to fully adapt to the a7Rii way of doing things. If I had put the 6d aside and was intentional about not using it, I'd be more proficient by now with the a7Rii. That's especially true with flash.

Link | Posted on May 13, 2016 at 17:46 UTC
On article Benchmark performance: Nikon D810 in-depth review (255 comments in total)
In reply to:

l_d_allan: Hope DPR does reviews of the Nikon D5 and Canon 1Dx-2. IIRC, they never did for the previous generation camera flagships.

I was really surprised ... and impressed ... by how quickly the review of the Sony a6300 was done.

Also, I think it was always clear that the D810 was a non-trivial, but incremental improvement to the D800e. You could read the (relatively timely) D800e review and know most of what you needed to know about the D810.

Very Pleased to see a mention in the review itself to "upcoming 1Dx-2 review.

Also Very Pleased by the return of the Signal:Noise chart (from Dxo), which seems improved to what was shown in years past. Good Job!

I am curious how correlated the S/N values are to DR.

Link | Posted on May 13, 2016 at 01:58 UTC
On article Benchmark Performance: Nikon D810 review (1988 comments in total)

This "Canon f.f. defector" to the a7Rii is always surprised to read posts from people who have switched or considering switching from the D8#0 family to the a7Rii. They may be disappointed.

Especially since the adapter situation for Nikon lenses is much less mature than for Canon lenses.

Link | Posted on May 13, 2016 at 01:07 UTC as 110th comment | 2 replies
Total: 177, showing: 1 – 20
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