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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 26 Oct 2016 (Wednesday) 21:44
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Comparison of different telephoto lenses on different Mp size bodies

 
JeffreyG
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Oct 30, 2016 08:17 |  #31

I'd travel closer to an airport so the planes are not 10000 meters up.


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Wilt
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Post edited over 4 years ago by Wilt. (3 edits in all)
     
Oct 30, 2016 08:52 |  #32

Pagman wrote in post #18169999 (external link)
A D7000 and a Tokina 80-400D giving me 16Mp and 400mm for £550, or
D7100 and a 70-300Vr giving me 24Mp and 300MM for about £560....
So what option would be better - get the D7100 with 24mp and 300mm lens and crop, or get the D7000 with 16Mp and Tokina Lens of 400mm and not crop?.

Well it seems there is little quantitative information about the Tokina 80-400 from sources such as photozone.de so we have the misfortune of having to ASS-U-ME lens performance.

Going on the (perhaps very bad) assumption that both lenses deliver identical detail/contrast resolution MTF scores, you are comparing A) 400mm to 4828 pixels with vs. B) 300mm to 6000 pixels


  1. Relying upon digital cropping, you end up with A) 4928 pixels vs. B) 4501 pixels, so camera B loses because cropping pixels is never as good as optical zoom. Advantage D7000.
  2. But that is only a 9% differential in pixel detail, which is easily neutralized by 9% less optical performance from the (Tokina) lens! Duece.
  3. As pointed out, VR is definitely a real benefit particularly for the type of shooting under consideration. Advantage D7100.

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DreDaze
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Oct 30, 2016 09:33 |  #33

BigAl007 wrote in post #18170921 (external link)
So would I, but Pagman is very unlikely to find a 150-500 OS for £500 let alone add a body. Personally from the Canon perspective I would want at least a 40D for the 14 bit RAW files, the 14 bit files I have looked at seem much more malleable than the 12 bit, and they are still pushing towards £200. 50D's from a dealer are still pushing £250 in excellent condition, which is what my 50D cost me 2.5 years ago. When it comes to secondhand cameras I have noticed that WEX have increased the price of 7D's by about £100 in the last five or six weeks. They had a lot at around £375, now they are all over £450. I know exchange rates are affecting new prices, but I fail to see why they are pushing secondhand so hard, unless it is significantly increasing demand. It is hard to know what the sales numbers are like when they generally always seem to have three or four bodies on the website.

Alan

Looking at ebay.uk shows quite a few lenses selling for 350 or less...and quite a few 40D's selling for 150 or less...so it's definitely doable

JeffreyG wrote in post #18170922 (external link)
I'd travel closer to an airport so the planes are not 10000 meters up.

I believe he cant travel, and these are all taken from his backyard...travelling closer was suggested a long time ago


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gjl711
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Oct 30, 2016 10:36 |  #34

Wilt wrote in post #18170946 (external link)
Well it seems there is little quantitative information about the Tokina 80-400 from sources such as photozone.de so we have the misfortune of having to ASS-U-ME lens performance.

Tokina has some info (external link) including MTF charts. It does look to be on par with the 75-300s where as the AF-S 70-300VR is significantly better.


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Pagman
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Oct 30, 2016 10:46 |  #35

gjl711 wrote in post #18171022 (external link)
Tokina has some info (external link) including MTF charts. It does look to be on par with the 75-300s where as the AF-S 70-300VR is significantly better.

They did update that model though to the D version with better optics I read somewhere.

P.


Finally got it right I think - Nikon D7500, Nikon 300 F4 PF, Nikon 1.4 X mk3 TC

  
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Post edited over 4 years ago by Pagman. (2 edits in all)
     
Oct 30, 2016 10:47 |  #36

I know its not Canon related but wonder how the original Nikkor 300mm f4 IF stacks up? its supposed to be very good.

And very reasonable about £300.


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Finally got it right I think - Nikon D7500, Nikon 300 F4 PF, Nikon 1.4 X mk3 TC

  
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Wilt
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Oct 30, 2016 11:03 as a reply to  @ gjl711's post |  #37

Unfortunately we should not directly compare MTF values unless the testing agency is the same, and we know that the tested lenses are compared on the same camera model.


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Charlie
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Oct 30, 2016 13:51 |  #38

JeffreyG wrote in post #18170922 (external link)
I'd travel closer to an airport so the planes are not 10000 meters up.

+1. Some places, you have no vantage point, but I find that simply getting closer can work really well. 55-250stm should give you something to work with, find better spots or save up more money.


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Pagman
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Oct 30, 2016 14:02 |  #39

Charlie wrote in post #18171192 (external link)
+1. Some places, you have no vantage point, but I find that simply getting closer can work really well. 55-250stm should give you something to work with, find better spots or save up more money.


I have explained on here roughly the whole time I have been on here - I have no option to travel 99.9999 % of the time my photography comsists of what I see from my back 8 ft quare patio, I used to have a 250 STM lens, save up for for more money - not an option when every single penny is needed and when I have brought gear it has been by a present.

P.


Finally got it right I think - Nikon D7500, Nikon 300 F4 PF, Nikon 1.4 X mk3 TC

  
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Oct 30, 2016 14:56 |  #40

Pagman wrote in post #18170259 (external link)
This is what I was getting with my D7100(24mp) and 70-300Vr, The first pic - the plane was at about 8000ft I shot it at 300mm and f8 I then cropped the picture to 1964 pixels long edge.
And the second one was a airways shot the plane was about 15 miles away, and was again at 300mm f8 this shot was cropped to 1719 pixels long edge.

When i used to own this set up(not anymore) I was convinced that the focus system on it was not stellar, but as I am going through my pictures now in LR5 I am discovering better ways of getting better looking pictures that are sharper and with more clarity.

P.


So, you already know what this combo is capable of doing? What is the question, then? With the level of gear you're dealing with, your results are not going to vary a great deal. If you were to go with the 7000 + 80-400, at *best*, you're going to get equal image results, in the end, since you're going to wind up with a lower resolution image than what you'll get from this combo.

In the time I've seen you starting these threads, you've gone through a TON of different options, with similar results from all of them. Primarily because you're severely limited by the budget you have available that keeps your price range to a very narrow band. Unfortunately, that range is all a fairly similar generation of hardware (regardless of manufacturer); you will really need a newer generation of hardware to drop into your range to start seeing much hardware-level improvement in the type of shooting you're doing. I'd really recommend choosing something you've got now, working with it to the best level that you can, and setting aside the money you're looking to spend now until things like the Tam/Sig 150-600s drop into your budget range on the used/refurbished market.


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Pagman
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Oct 30, 2016 15:31 |  #41

Snydremark wrote in post #18171241 (external link)
So, you already know what this combo is capable of doing? What is the question, then? With the level of gear you're dealing with, your results are not going to vary a great deal. If you were to go with the 7000 + 80-400, at *best*, you're going to get equal image results, in the end, since you're going to wind up with a lower resolution image than what you'll get from this combo.

In the time I've seen you starting these threads, you've gone through a TON of different options, with similar results from all of them. Primarily because you're severely limited by the budget you have available that keeps your price range to a very narrow band. Unfortunately, that range is all a fairly similar generation of hardware (regardless of manufacturer); you will really need a newer generation of hardware to drop into your range to start seeing much hardware-level improvement in the type of shooting you're doing. I'd really recommend choosing something you've got now, working with it to the best level that you can, and setting aside the money you're looking to spend now until things like the Tam/Sig 150-600s drop into your budget range on the used/refurbished market.


Thank you for the comments yep I have been through some gear but thats what makes our beuatiful hobby even more interesting - some folk collect different gear and end up with possibly every model out there, I have just gone through different gear - when I have been treated to a gift, testing till I find what suites my uses to the best of what money is available at the time.

I am camerless at the moment just been borrowing a bridge cam off a friend who keeps screaming for it back, its a great close up candid taking pas camera but completely no good for aviation.

I am hoping to be treated this xmas and that will be a tight budget like i said about £550(and possibly another £100 if I can sell the wife on ebay) :-P Its going to be a tight and careful look on ebay and possibly a bit of haggling with the sellers to try to get the best for the money I can.

P.


Finally got it right I think - Nikon D7500, Nikon 300 F4 PF, Nikon 1.4 X mk3 TC

  
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gjl711
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Oct 30, 2016 15:42 |  #42

Just another option, Have to looked at the Nikon P900 (external link)? Well within your budget and it zooms to 2000mm, It seems to do what you want almost perfectly. Take a look at the video. They zoom into a plane at 30k feet and you can almost read the tail number. :)


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Pagman
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Oct 30, 2016 15:52 |  #43

gjl711 wrote in post #18171290 (external link)
Just another option, Have to looked at the Nikon P900 (external link)? Well within your budget and it zooms to 2000mm, It seems to do what you want almost perfectly. Take a look at the video. They zoom into a plane at 30k feet and you can almost read the tail number. :)


I tested out a Lumix FZ300 with The best lens on any Bridge cam it was good but just no where near DSLR, I am currently re editing all my old files through LR5 but using a different tech that is extracting that much more IQ, its great improving all my pics, and something to look forward to with a new cam.
I am borrowing a 630mm eqv lens Fuji X-S1 at mo, but it needs to go back to the owner soon, the lens on this is very good(not in lumix leica category) but the sensor is not up to the cam and the AF is non exsisitant.

P.


Finally got it right I think - Nikon D7500, Nikon 300 F4 PF, Nikon 1.4 X mk3 TC

  
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gjl711
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Oct 30, 2016 17:43 |  #44

The Lumix FZ300 is still only 600mm. The extra optical zoom will put a whole lot more pixels ion the target especially your aircraft shots.


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Oct 31, 2016 12:15 |  #45

The sad truth is reach = money.
Some older gear will offer excellent image quality and perhaps less features, if you can find it.


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Comparison of different telephoto lenses on different Mp size bodies
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