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Thread: Teleconverters

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    Administrator Aloicious's Avatar
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    Teleconverters

    So I picked up a 2.0X version III teleconverter to use with my 300 f2.8. going to go try it out the next few days. I had the 1.7x back with my older 300 f2.8 and it was real good, and I've got the 1.4x version III too, but 1.4x just isn't enough for my use. I'd rather use the 300mm bare, then crop a little if I need to get that kind of framing, the 2.0x though gives a good difference going to 600mm f5.6...

    I was a bit apprehensive about getting a 2.0x, since IQ drops off the higher the magnification of the TC, and AF speed reduction, etc...but in playing with it in the room here, it seems to do fairly well, I need to get out and find some birds though, do a little AF fine tune on it too. I've heard multiple people say that the newest 2.0x III is about equal in terms of IQ to the 1.7x version II, when used with a lens like the 300 f2.8, so I'm hoping that's the case. I had very good results with the 1.7 II back in the day.
    -Justin

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    Super Moderator NEF.D90's Avatar
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    Quote Originally Posted by Aloicious View Post
    So I picked up a 2.0X version III teleconverter to use with my 300 f2.8. going to go try it out the next few days. I had the 1.7x back with my older 300 f2.8 and it was real good, and I've got the 1.4x version III too, but 1.4x just isn't enough for my use. I'd rather use the 300mm bare, then crop a little if I need to get that kind of framing, the 2.0x though gives a good difference going to 600mm f5.6...

    I was a bit apprehensive about getting a 2.0x, since IQ drops off the higher the magnification of the TC, and AF speed reduction, etc...but in playing with it in the room here, it seems to do fairly well, I need to get out and find some birds though, do a little AF fine tune on it too. I've heard multiple people say that the newest 2.0x III is about equal in terms of IQ to the 1.7x version II, when used with a lens like the 300 f2.8, so I'm hoping that's the case. I had very good results with the 1.7 II back in the day.
    Not sure how I missed this thread! .

    So have you got out and shoot with this yet?.
    I was literally just looking at these on lens authority. $405 for a 9.0 graded used 2.0xIII
    I think that would be nice with my 70-200 VRII.
    You have to let us know what you review of this TC is.
    If your going to dream, Dream Big!

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    Administrator Aloicious's Avatar
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    I've never liked TC's on my 70-200, the 1.4x did okay, but the IQ loss was noticable. I haven't tried the 2x, but I wouldn't suspect it would do extremely well....however it would be better than some options or if you needed to get to 400mm without any other options, so for a budget option it might be okay, but you'll notice a definite loss in IQ over the bare lens. on lenses like the 200 f2.0, 300 f2.8, and 400 f2.8 it does very well, but those lenses are kindof a different level of lens.

    At least that's my take on the TC's, I've seen some great shots taken with them on various lenses, but I wouldn't use a 2x on anything slower than a f2.8 lens, and I wouldn't use the 1.4x or 1.7x on a lens slower than f4
    -Justin

    Bodies - D800E
    Lenses - Sigma 18-35 f1.8 DC | Zeiss 15mm f2.8 ZF.2 | Zeiss 21mm f2.8 ZF.2 | Sigma 35mm f1.4 Art | 105mm f2.5 AI-S | 70-200 f2.8G VRII | 200mm F4.0D Micro AF | 300mm f2.8 VRII

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    Administrator Aloicious's Avatar
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    This was taken with my 300 f2.8 and the 2x, which turned out pretty well.
    -Justin

    Bodies - D800E
    Lenses - Sigma 18-35 f1.8 DC | Zeiss 15mm f2.8 ZF.2 | Zeiss 21mm f2.8 ZF.2 | Sigma 35mm f1.4 Art | 105mm f2.5 AI-S | 70-200 f2.8G VRII | 200mm F4.0D Micro AF | 300mm f2.8 VRII

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    Super Moderator NEF.D90's Avatar
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    Looks like the focus fell slightly forward, or is that just a resolution problem because of the intermet. Also viewing on my phone so that doesn't help lol.
    Still a shot I would love to get.
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    Administrator Aloicious's Avatar
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    Quote Originally Posted by NEF.D90 View Post
    Looks like the focus fell slightly forward, or is that just a resolution problem because of the intermet. Also viewing on my phone so that doesn't help lol.
    Still a shot I would love to get.
    no, focus should be pretty well on his eye and within that plane, there are some branches in front and behind that are out of the focus plane though. it might just be your phone.

    it is somewhat of a crop too, not 100%, but like 40-50% or something in that area.
    -Justin

    Bodies - D800E
    Lenses - Sigma 18-35 f1.8 DC | Zeiss 15mm f2.8 ZF.2 | Zeiss 21mm f2.8 ZF.2 | Sigma 35mm f1.4 Art | 105mm f2.5 AI-S | 70-200 f2.8G VRII | 200mm F4.0D Micro AF | 300mm f2.8 VRII

    My PhotographyWild Blog

    C&C is always welcome on the images I post.

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    Super Moderator NEF.D90's Avatar
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    Is this any drop or nearly a full frame?
    If your going to dream, Dream Big!

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    Super Moderator NEF.D90's Avatar
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    Cool. How does this compare to your 600mm that you once had?
    If your going to dream, Dream Big!

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    Administrator Aloicious's Avatar
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    It's not as fast as the 600 since the 300+2x is f5.6, IQ is not quite as good, but its like half the price, and it's like 1/2 the weight And size.
    -Justin

    Bodies - D800E
    Lenses - Sigma 18-35 f1.8 DC | Zeiss 15mm f2.8 ZF.2 | Zeiss 21mm f2.8 ZF.2 | Sigma 35mm f1.4 Art | 105mm f2.5 AI-S | 70-200 f2.8G VRII | 200mm F4.0D Micro AF | 300mm f2.8 VRII

    My PhotographyWild Blog

    C&C is always welcome on the images I post.

  10. #10
    Super Moderator NEF.D90's Avatar
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    What's that, 1/3 of a stop slower?
    Yea j was going to re-write that question I know the IQ won't be as good. Kinda hard to compare a super tele prime to a prime with a 2x but you did a fine job. Any noticeable CA increase after adding the 2x?
    If your going to dream, Dream Big!

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