Cannon D20 vs Nikon D70s
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Zplus said:I think he meant using 550EX / 580EX / 420EX in high speed sync mode.
The hot show max sync is only 1/250 which is one of canon's Achilles' heel....
Wow.... can reach 1/8000? not bad leh. In this case just get good flash can over come the Achilles' heel for Canon lor.
Sorry, I am not canon user.... so not sure how the high speed sync really work in what way.
Zplus said:
Someone has been reading too much Ken Rockwell :nono:
The 1/500 flash sync "advantage" of the D70 is eaten up by its higher minimum ISO of 200. So in the end you end up shooting at the same aperture:
20D: 1/250 + ISO 100 + F/8
D70S: 1/500 + ISO 200 + F/8
What effect will that have on the image? The D70 will be able to freeze motion and have better flash penetration.
I am so fed up of people touting the 1/500 flash sync as if it's a major advantage. If you want 1/500 on a Canon, you just press the FP mode button and then sync up to 1/8000. Now THAT is a major advantage.
Thought I'll chime in my $0.02. 
> Major advantages of Canon 20D over D70s
> 2) 9 point AF - faster focusing
Number of focus points has nothing to do with focusing speed. Canon's faster focusing speed is because it uses open-loop algorithm. But it's not necessarily more accurate, particularly when it comes to f/1.4 or f/1.8 primes. Look at the number of complaints about focusing accuracy in DPReview Canon 20D forum.
> 6) Mirror Lock-up via Custom function - minimise camera shake esp for Macro or Night
> photography
This is actually a pretty useless thing. You can try it yourself.
PS: I am a Canon user, but thought this should be pointed out.
The single biggest advantage of Canon 20D over Nikon D70s is the sensor: 8 MP with low noise and no moire issues.
> Major advantages of Canon 20D over D70s
> 2) 9 point AF - faster focusing
Number of focus points has nothing to do with focusing speed. Canon's faster focusing speed is because it uses open-loop algorithm. But it's not necessarily more accurate, particularly when it comes to f/1.4 or f/1.8 primes. Look at the number of complaints about focusing accuracy in DPReview Canon 20D forum.
> 6) Mirror Lock-up via Custom function - minimise camera shake esp for Macro or Night
> photography
This is actually a pretty useless thing. You can try it yourself.
PS: I am a Canon user, but thought this should be pointed out.
The single biggest advantage of Canon 20D over Nikon D70s is the sensor: 8 MP with low noise and no moire issues.
thw said:Thought I'll chime in my $0.02.
> 6) Mirror Lock-up via Custom function - minimise camera shake esp for Macro or Night
> photography
This is actually a pretty useless thing. You can try it yourself.
PS: I am a Canon user, but thought this should be pointed out.
Aiyoh, I think MLU is far from useless!
Padawan said:
Don't think a higher min of ISO200 affects the advantage of faster flash sync speed. I definitely won't mind having faster flash sync speed which would come in useful when external flash is being used as the main source of illumination (I miss the 1/10000s (yes, 1/10k!!!) flash sync of my previous camera). To me, the "negation" of the faster flash sync speed would be the lack of highspeed flash sync speed available in the pro DSLRs from Nikon like D2X and D2H (and all Canon current day DSLRs/SLRs).
Having said that, 1/250s (with availability of highspeed sync) is good enough and that is why the top end pro DSLRs (from both Canon and Nikon) now a days have that (and not faster).
Anyway, the better comparison for the D70 would be 350D. Nikon has nothing in the mould of 20D at the moment. Would love to see more good products from Nikon and other manufacturers to make the market place more competitive and allow us to get better products launched from the companies with more advanced R&D.
JediForce4ever
Senior Member
If you ask me.....I would go for the D70s coz its bigger and easier to hold....but 350D has the upper hand when it comes to megapixel and processor.mpenza said:
gooseberry
Senior Member
FP sync is good as it is allows seemless TTL sync up to the max. shutter speed. But one of the drawbacks with FP sync is that you lose around 3 stops of flash power.
eg. for a particular setting, if your flash has a range of 11m at 1/250s, switching to FP sync at 1/500s, your flash will only reach 4m. The D70 will still be able to reach 11m at 1/500s.
You can also get edge effects with FP sync.
So a higher sync speed allows more flexibility.
Also, the D70 can sync at higher speeds - just connect an AS-15 PC Sync adapter socket to the hotshoe and connect it to the SB-800 with a PC sync cable and you can sync all the way up to 1/8000s - it won't be TTL flash, only Automatic (which is good enough) and Manual, but you don't lose flash power.
eg. for a particular setting, if your flash has a range of 11m at 1/250s, switching to FP sync at 1/500s, your flash will only reach 4m. The D70 will still be able to reach 11m at 1/500s.
You can also get edge effects with FP sync.
So a higher sync speed allows more flexibility.
Also, the D70 can sync at higher speeds - just connect an AS-15 PC Sync adapter socket to the hotshoe and connect it to the SB-800 with a PC sync cable and you can sync all the way up to 1/8000s - it won't be TTL flash, only Automatic (which is good enough) and Manual, but you don't lose flash power.
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