How many online retailers do you know that do this?
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Many things going on.
Depending on scene, noise is more or less apparent. Large areas of OOF 'negative space' show noise more prominently (subjectively, because there's nothing else there to pay attention to, you eye starts looking for patterns).
Shutter speed does affect noise, but meaningfully only with longer exposures (you'll notice more noise at the same ISO in a 0.5 s exposure vs a 1/200 s exposure, but not between 1/1000 and 1/640.
ISO matters - 'tweener' ISOs have more or less ISO noise than the full stop settings, depending on camera model. So, ISO 500 is noisier than ISO 800, while ISO 640 is slightly less noisy. That's beacuse with a full stop base ISO, the up tweeners are pushed (1/3 stop up, e.g. 125, 250, 500, 1000, 2000, etc.) while the down tweeners are pulled (1/3 stop down, e.g. 160, 320, 640, 1250, 2500).
was 3499 or whatever ..
now it is $3249
not the cheapest but price did drop
Camera Canon EOS-1D X
Exposure 0.001 sec (1/2000)
Focal Length 55 mm (24-70 2.8 II)
ISO Speed 6400
I ran THIS version (a rental from LensRental) through FoCal last week, and it required a +2W/+3T AFMA, then took it to my next assignment. Of note, I rarely use my 24-70 Mark I for sports because even with AFMA, it was never 'sharp' enough for enlargements.
After using this Mark II lens for 2 hrs, I was having lens envy again and was bummed I had to send it back. Then I got an email from Amazon it was available - so I ordered and received it yesterday. For one night I had both copies.
No copy-copy variation that I could tell, but because the first was a rental I didn't save my original FoCal files - stupid me.
Then (really stupid me), I got another email that my 'preordered' lens from B&H shipped - oops, forgot to cancel that. Now I have two copies to compare, and one to return. I'll be spending time in my basement with FoCal, and I'll also be out and about for few days doing a direct comparison. I'll post the FoCal reports and some other test shots for these lenses on all my bodies (7d/5d/1DIV and 1Dx). While I may not be as thorough or scientific, I'll share the images from all 3 to let you know 'just another fotog's opinion'
I don't think you can move region, only remove and repost on CL, right?
No, you cannot move a post. But why remove? Just post on more than one board. Normally, the buyer travels to the seller, but if you post in a board that's a distance from you, be prepared for some push back from a buyer on travel, which is reasonable. Someone from New Hampshire posted an ad on the Boston board, and agreed to drive down to Boston (where I am) to make the sale.
I always read the "customer" review on Amazon.com.
For example:QuoteI actually do most of my Florida and Georgia area outdoor wedding and landscape shoots from my rooftop now. The IQ is tack-sharp even wide open at 1000mm (w/ 2x converter, obviously) The issue I had, was when the FBI and Homeland security showed up at my house. I was shooting a wedding in downtown Orlando, which is only about 30 miles away, from my roof. The house was surrounded and guns drawn on me. You see, I live near enough to a major airport that the neighbors mistook it's green color and imposing size as some sort of ground to air missile launcher.
my casio Z50 does as good....
... not if the statue is moving really fast and in unpredictable ways, that's when the fast af of the non-IS lens and the stellar tracking capabilities of the body can show what they can do :-> ... no, really, I'm just envious, if the op has fun with that gear it's absolutely fine by be.