thx1138

Lives in Australia Sydney, Australia
Works as a Senior Researcher - Canon Australia
Joined on Jul 17, 2004
About me:

Canon 1D X, 5D III, 17-40 f/4L, 45 f/2.8 TS-E, Sigma 50 f/1.4 Sigma 85 f/1.4, 135 f/2L, Canon 100 f/2.8L IS macro, 70-200 f/2.8L IS mk II, 300 f/2.8L IS, 100-400 f/4-5.6L IS, 500 f/4L IS mk II, 1.4x TC III, 2x TC III, 600 EX, Sigma 24 f/1.8 EX, Canon 24-7 f/2.8 mk II, Sigma 150 f/2.8 Macro EX HSM DG

Comments

Total: 1242, showing: 41 – 60
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In reply to:

citrate: Is there a particular reason why "On-sensor phase detection doesn’t work any darker than F8"?
I remember A9 can autofocus at F11, with phase detection or contrast?

Canon's DPAF works works to f/11, better than the normal PDAF, at least on the newer cameras like 80D, M5, 1DXII, 5D4

"And, AF can function with camera and lens combinations having an f/11 or wider aperture (vs. f/8 with the EOS 80D's conventional AF) - again, using 80% of the frame. "

Link | Posted on May 10, 2017 at 01:53 UTC
On article Updated: Sony a9 samples with Raw support (449 comments in total)

dpreview still clinging to outdated ACR for RAW. For high ISO DxO Elite PRIME is hands down best NR engine. Wait until that supports the A9 and it also extracts better detail, has better lens profiles. Only thing it lacks really is local adjustments, not sure why they haven't got on that yet. Otherwise C1 Pro 10 is best overall IMO.

Link | Posted on May 8, 2017 at 03:15 UTC as 41st comment | 1 reply
In reply to:

panchorancho: If it's not shot with a Sony it's not worth my time!

@ thanks for the second dose of drivel, peddle your crap elsewhere

Link | Posted on May 7, 2017 at 13:39 UTC
In reply to:

thx1138: Imagine how much better those photos would look if you had used the A7RII.

All joking aside wonderful images and good to see a discussion of the logistics of using such an extreme wide-angle lens and how it can completely change your way of thinking on composition. Only thing holding me back is price. I could go with the Sigma 12-24 but it's not as good, although how much that would matter for real life shooting is debatable.

@ geonyc

Well thought out drivel thanks for the feedback, next time give me advance warning to ignore it before I waste time reading it.

Link | Posted on May 7, 2017 at 13:38 UTC
In reply to:

panchorancho: If it's not shot with a Sony it's not worth my time!

Go ahead and wait 10 years for Sony to try and copy the Canon, it might be released with a 400 f/2.8 FE and 500 f/4 FE just in time for the A9 mk 4 release

Link | Posted on May 7, 2017 at 09:06 UTC

Imagine how much better those photos would look if you had used the A7RII.

All joking aside wonderful images and good to see a discussion of the logistics of using such an extreme wide-angle lens and how it can completely change your way of thinking on composition. Only thing holding me back is price. I could go with the Sigma 12-24 but it's not as good, although how much that would matter for real life shooting is debatable.

Link | Posted on May 7, 2017 at 07:51 UTC as 45th comment | 7 replies
On article Canon EOS Rebel T7i / 800D review (386 comments in total)

Darn tootin (for the dpr prudes), why are there only 3 pages to this review?

Link | Posted on May 4, 2017 at 06:22 UTC as 41st comment | 1 reply

So on my Canon's I can set up several registered shooting types and switch to them with either the mere press of a button or turn of a mode dial without lifting eye from the VF, so what's the revolutionary Sony sauce with the A9 that makes the same thing so good? You can assign any settings you like and register them and save them to the C1-C3 slots to instantly recall them. You complain Sony hasn't implemented proper custom mode settings, which Canon and NIkon have, but because it offers an alternative method it's some how much better. How many ways do you want to skin a cat, less is more as they say.

Link | Posted on May 2, 2017 at 11:52 UTC as 108th comment | 2 replies
On article Sony a9 Full Review: Mirrorless Redefined (2613 comments in total)
In reply to:

thx1138: 200 f/2.,8 or 400 f/5.6 much more DOF than 400 f/2.8. We need to see how AF accuracy is when use the big superteles with very small DoF, eyes have to be nailed. This will too much at 20fps for any AF to get reliably IMO. Can you run the A9 at any fps below 20, like can you set a custom hi and lo shooting speed? Mostly I'd run it with lo set to 8fps, hi set to 15fps

In your dreams, Any one can boast rubbish claims behind their keyboard but comparing your A7RII AF to 1DX just shows you are so full of it, it's hilarious. A7RII can't even beat the a6300 in AF, which gets demolished by the likes of D500.

Link | Posted on Apr 29, 2017 at 09:23 UTC
On article Sony a9 Full Review: Mirrorless Redefined (2613 comments in total)

200 f/2.,8 or 400 f/5.6 much more DOF than 400 f/2.8. We need to see how AF accuracy is when use the big superteles with very small DoF, eyes have to be nailed. This will too much at 20fps for any AF to get reliably IMO. Can you run the A9 at any fps below 20, like can you set a custom hi and lo shooting speed? Mostly I'd run it with lo set to 8fps, hi set to 15fps

Link | Posted on Apr 28, 2017 at 01:41 UTC as 285th comment | 5 replies
On article Sony a9 Full Review: Mirrorless Redefined (2613 comments in total)
In reply to:

dash2k8: Lots of naysayers spewing stuff without solid evidence to back up their words. Keep up the good work!

Translation: If you're going to hate on this camera, don't hate it because it says "Sony" on it. Don't hate it because it's mirrorless. Hate it because of Reason 1, Reason 2 and Reason 3.

Pretty much sums up how Sony fanboys treat anything with a Canon or Nikon label. Never shot them, never will own them but hey their camera is way better, only fools buy Canon blah blah blah.

Live by the sword die by the sword.

Link | Posted on Apr 28, 2017 at 01:35 UTC
On article Sony a9 Full Review: Mirrorless Redefined (2613 comments in total)
In reply to:

beavertown: Who would have thought Canon could make competitive senors now? Why not Sony to overcome the drawback of mirrorless system to catch up with the pro dslr Cankon level someday soon?

Only a true armchair fanatic would be complaining about Canon's latest sensors. Go and take some photos rather than sitting on the lounge measurebating and pushing shadows 6 stops, assuming you own a camera.

Link | Posted on Apr 28, 2017 at 01:32 UTC
On article Alpha-better: Sony a9 versus a7R II (503 comments in total)
In reply to:

beavertown: They should continue to make the A7x for people who need high megapixel just like the 5Dx does.

A7RIII coming soon don't worry and the camera more relevant to 99% of people. As long as it gets better EVF, bigger battery, new UI, better ergonomics, and is at least 7fps with 42-50MP, it'll be more than enough.

Link | Posted on Apr 27, 2017 at 04:02 UTC
On article Alpha-better: Sony a9 versus a7R II (503 comments in total)

Why bother with this? The A7III's will be announced soon and will get a large part of these improvements anyway. You'd be mad to get the A7II's unless you are expecting deep run-out discounts.

Link | Posted on Apr 27, 2017 at 03:59 UTC as 41st comment

This is the bottom end of the change over price and still no 400 f/2.8 in their kit, so it's not going to happen for a huge % of sports shooters. Wedding photographers and maybe golf shooters would switch. Golf shooters can't take a shot until after the golfer hits the ball currently, silent shooting allows them to shoot the whole swing.

Any way talk is cheap 99% of the white noise on dpreview is from those that will never ever buy the A9 or own or touch a supertele but are full of absurd doomsday scenarios for pro DSLR users and know better of course.

Link | Posted on Apr 26, 2017 at 01:55 UTC as 75th comment | 4 replies
On article Dell announces 4K HDR10 monitor (88 comments in total)

For UHD I'd much prefer a 32" version, so I hope this is coming. Be aware judging noise and sharpness on a 4K monitor with small (< 0.2mm) pixel pitch is problematic, Noise looks much better than it would on even say 2560 x 1440 monitor and everything looks sharper. It's best to judge noise and sharpness at 200%. As an example my 5DsR ISO 6400 shots on my 15" Dell XPS UHD laptop look like about ISO 1600 would on my 27" 2560 x 1440 monitor. The pixel pitch of that 27" monitor is 0.233mm, while a 32" UHD version has a pixel pitch of 0.18mm, so about 30% smaller. The 27" UHD monitor would be around 0.13-0.14mm.

Link | Posted on Apr 26, 2017 at 01:50 UTC as 4th comment | 1 reply
On article Sony a9: Why being better might not be enough (766 comments in total)
In reply to:

///M: The future is not in 400/2.8 lenses, being able to move faster on the sidelines of a sports event or other assignment will be more incentive to switch than the 20 fps with no blackout. I think the longest lens Sony will need will be a 300/2.8. An ideal kit would be: 2 bodies, a 100-400, a 16-35/4 and a 1.4x teleconverter, all made possible with the high iso ability of the new sensors. No 70-200/2.8 or 400/2.8 needed, the 300/2.8 would only be needed occasionally when a 600mm is needed. The 2 a9 bodies weigh what a CaNikon sledgehammer weighs. Imagine getting out of your car at an event with 2 bodies with these lenses, and a vest with a few accessories and no boat anchor lensese to lug, fast and nimble, and silent at events requiring it. I see venuse shutting down noisy DSLRs very quickly now that an alternative exists, also.

//M clearly thinks being an armchair sports pro means he has all the answers. No most sports shooters never stop down their 400 f/2.8. What are earth are you smoking. Also let's see you shoot the cricket with your 300mm when the fielder is catching a ball 150m away.

Why would a 200 f/2 on APS-C be similar to a 400 f/2.8 on FF, you still end up at around 300mm effective FL and f/3 effective aperture.

Link | Posted on Apr 25, 2017 at 01:57 UTC
On article Sony a9: Why being better might not be enough (766 comments in total)
In reply to:

Oleg Ivanovskiy: I'm not convinced with all this talk about A9 super anti-distortion electronic shutter until you show me the proofs, side by side. So far mechanical is good and electronic is not. I highly doubt that this new ES can beat mechanical at 1/1000 of a sec. in terms of distortion AND noise. A7R II would have been looking good in that shell though, with AF joystick, 2 memory slots and AF-ON button.

This is not a global shutter, the entire sensor is not read at once, there will always be some level of distortion, Sony has greatly reduced it with the stacked sensor but they have not eliminated rolling shutter completely. In a shot I saw of a golf swing the club still had a slight amount of distortion but was reduced about 95% compared to the A7RII shot

Link | Posted on Apr 25, 2017 at 01:46 UTC
On article Sony a9: Why being better might not be enough (766 comments in total)
In reply to:

RubberDials: So according to the pros in this article, for Sony to be viable they have to offer back button AF, a 16-35/2.8, 70-200/2.8, 200-400 and a 400/2.8 or 500/4 and offer compatibility with existing camera bags.

They've installed back button AF.
They already have a 70-200/2.8
They just launched a 100-400
A 16-35/2.8 has been rumoured for a long time and is likely to be imminent.

They don't have a 400/2.8
They have a 500/4 in A mount.

They're probably not working on the bag.

So just to be clear you don't get it right. The 500 f/4 in A mount will not be used, the AF performance is inferior with adapters, the eye AF won't work, and the shooting speed is limited to 10fps and apart from that it's the most expensive 500 f/4 on the market and the heaviest and the has the worst mfd and has no IS. IBIS is not as good for superteles.

Link | Posted on Apr 25, 2017 at 01:41 UTC
On article Sony a9: Why being better might not be enough (766 comments in total)
In reply to:

RubberDials: Genuine question. Can someone explain the back button AF need for me?

I noticed right away that Sony had added this button. Why is it that sports togs need this rather than focussing by just depressing the shutter release?

You can separate metering and focusing with the back button. Shutter can be used to lock exposure and you can focus and recompose more easily by having the two separate.

Link | Posted on Apr 25, 2017 at 01:38 UTC
Total: 1242, showing: 41 – 60
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