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I need "honest" opinions
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Aug 24, 2020 08:38:20   #
JRiepe Loc: Southern Illinois
 
Collhar wrote:
It's a poor workman that blames his tools.


I'm not blaming the lens for anything as I'm very happy with it. The problem I'm mostly experiencing and the same with the Tamron 70-300 is exposure. It's not consistent but that may be the camera instead of the lens. I don't believe spot metering works on my D7200. If I try to expose for a dark subject on a bright day using spot metering the subject will still be underexposed.

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Aug 24, 2020 09:10:15   #
olemikey Loc: 6 mile creek, Spacecoast Florida
 
photoman022 wrote:
they are horrible!!!! i think you should buy the Nikon lens and send the Tamron to me free of charge (and you pay the shipping)! of course i'm not serious. the photos are more than fine. but if you still have the need to buy the nikon you can always send tammy to me!


and I thought I was the only hog offering a "Home for wayward and unwanted lenses" ......

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Aug 24, 2020 10:57:52   #
CHG_CANON Loc: the Windy City
 
JRiepe wrote:
I'm not blaming the lens for anything as I'm very happy with it. The problem I'm mostly experiencing and the same with the Tamron 70-300 is exposure. It's not consistent but that may be the camera instead of the lens. I don't believe spot metering works on my D7200. If I try to expose for a dark subject on a bright day using spot metering the subject will still be underexposed.


Exposure and focus are two different things .... Keep in mind, as explained on page 105 of your D7200 manual, that the 'spot meter' takes a reading from a very small circle covering just 2.5% at the center of the frame. Or, essentially only where the center AF point resides. Your exposure technique is very dependent upon your camera's metering mode. You might want to try Nikon's Matrix and your camera's histogram / highlight warnings. In matrix, expect to see / position the meter at +1 or higher to the right of the 0-mark for 'good' exposures, exposing the 'darks' without over exposing the 'brights'. Use the blinking highlight warnings as indicators of the need to adjust the exposure / meter to the left, back toward the 0-mark or lower.

Also from page 105, the D7200 will 'spot' meter from an active AF point other than the center, but only for compatible lenses, where possibly Tamron does not meet this requirement. Regardless, the relation of the small spot to the subject in the frame may / may not yield the best or easiest to obtain 'best' exposure result.

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Aug 24, 2020 11:39:41   #
ralphjh
 
I would consider both somewhat out of focus. I presume you were using a tripod? What was the iso etc? Lots of variables.

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Aug 24, 2020 11:56:52   #
JRiepe Loc: Southern Illinois
 
CHG_CANON wrote:
Exposure and focus are two different things .... Keep in mind, as explained on page 105 of your D7200 manual, that the 'spot meter' takes a reading from a very small circle covering just 2.5% at the center of the frame. Or, essentially only where the center AF point resides. Your exposure technique is very dependent upon your camera's metering mode. You might want to try Nikon's Matrix and your camera's histogram / highlight warnings. In matrix, expect to see / position the meter at +1 or higher to the right of the 0-mark for 'good' exposures, exposing the 'darks' without over exposing the 'brights'. Use the blinking highlight warnings as indicators of the need to adjust the exposure / meter to the left, back toward the 0-mark or lower.

Also from page 105, the D7200 will 'spot' meter from an active AF point other than the center, but only for compatible lenses, where possibly Tamron does not meet this requirement. Regardless, the relation of the small spot to the subject in the frame may / may not yield the best or easiest to obtain 'best' exposure result.
Exposure and focus are two different things .... K... (show quote)


This is what I think may be happening and I'll experiment later. Went into the menu this morning and set it to where the shutter button when halfway depressed will lock in exposure. I'm using back button focus and I will on a still subject place the center point on the subject to lock in focus. So far so good. But in spot metering as I place the center focus point on the subject then depress the shutter button halfway the exposure value was not being locked in if that point happened to move off the subject. And with small subjects keeping that center point on the subject is not always possible and at times not desirable.

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Aug 24, 2020 14:36:20   #
gofast Loc: Joliet, IL
 
JRiepe wrote:
Others have said that the Tamron 150-600mm G2 lens is not sharp at the long end. I have that lens and have been very pleased with my shots taken at 600mm but possibly I have lower expectations than others. I'm posting a couple edited images taken at 600mm and I want to know if these images would have been sharper if taken with the Nikon 200-500mm lens. There's nothing to stop me from buying the Nikon lens if the consensus is that it will produce superior images. All opinions are much appreciated.
Others have said that the Tamron 150-600mm G2 lens... (show quote)


I think the pictures are excellent. Being a Canon guy, I can't speak to how the Nikon lens would perform, but personally I'd be happy with the lens you have.

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Aug 24, 2020 15:10:04   #
JRiepe Loc: Southern Illinois
 
gofast wrote:
I think the pictures are excellent. Being a Canon guy, I can't speak to how the Nikon lens would perform, but personally I'd be happy with the lens you have.


Thank you. Personally I'm happy with both images. I don't see what some of the others are seeing. I'm not suggesting they're seeing things that are not there but I'm not seeing it. My bird shots will not measure up to many I've seen posted on this forum however they are much better than many others I've seen posted. I'm somewhere in between and I'm okay with that. So now if everyone's happy I'd like to see this post die.

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Aug 24, 2020 17:01:02   #
Ralph Bischoff
 
I have several Tamron lens and the all function as I expect them to. I have an 18mm, 400mm and the earlier version of the 600mm. The original 600mm is not as fast in auto focus as the newer version but I still get great shots. What I found and it applies to most larger lens is that if your battery is not as strong due to use it hinders the lens response. I went out to Amazon and got 2 new batteries with a higher output current for less than I would pay for1 retail. Solved a minor problem in focus I was having at the time I thought was due to dirty contacts. A good contact cleaner is Deoxit, again available on Amazon.

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Aug 24, 2020 18:47:18   #
GeneG
 
To my tired old eyes, they look sharp and beautiful. I think images should be evaluated for their intended use. If you like them, nobody else's opinion really matters. If you are looking for an excuse to buy the Nikon lens, though, just go for it.

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Aug 25, 2020 07:50:17   #
fishy
 
GeneG wrote:
To my tired old eyes, they look sharp and beautiful. I think images should be evaluated for their intended use. If you like them, nobody else's opinion really matters. If you are looking for an excuse to buy the Nikon lens, though, just go for it.


Late to this party but honestly both shots fail my strict standard for feather and hair detail

I’ve gone to a 300mm f 2.8 and a 100-400mm vII Canon. I always use a tripod and gimbal head and favor high shutter speeds

Rent some fast Canon and Nikon and see for yourself

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Aug 25, 2020 08:38:44   #
imagemeister Loc: mid east Florida
 
fishy wrote:
Late to this party but honestly both shots fail my strict standard for feather and hair detail

I’ve gone to a 300mm f 2.8 and a 100-400mm vII Canon. I always use a tripod and gimbal head and favor high shutter speeds

Rent some fast Canon and Nikon and see for yourself



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