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Author Topic: Nikon Z6/7 mirrorless system  (Read 365131 times)

Akira

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Re: Nikon Z6/7 mirrorless system
« Reply #1035 on: December 13, 2019, 01:36:30 »
Quote from: Roland Vink on December 12, 2019, 23:14:35
I don't quite understand Birna's objections, maybe a misunderstanding. Any FTZ/TC adaptor would have an overall length and optical design to ensure the camera and lens focus correctly, in exactly the same way the design of F-mount TCs work with F-mount telephotos and cameras. The overall length would probably be greater than the standard FTZ (all other TCs have a positive length), it's not simply a case of stuffing some TC optics inside the current FTZ ...

I'm not sure whether long lenses (with or without the TC) would be benefited by the short flange back of the Z system.  That said, to avoid piggy-backing F-lens+TC+FTZ+Z body, an F-mount to Z-mount TC in one piece could make sense.
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Roland Vink

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Re: Nikon Z6/7 mirrorless system
« Reply #1036 on: December 13, 2019, 01:56:10 »
Quote
I'm not sure whether long lenses (with or without the TC) would be benefited by the short flange back of the Z system

Maybe not, but the rear element of the TC-14III and TC-17 are about as far back as possible. Without the requirement to clear the reflex mirror, it seems likely the designer would place the rear elements closer to the sensor.

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Akira

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Re: Nikon Z6/7 mirrorless system
« Reply #1037 on: December 13, 2019, 03:19:20 »
Quote from: Roland Vink on December 13, 2019, 01:56:10
Maybe not, but the rear element of the TC-14III and TC-17 are about as far back as possible. Without the requirement to clear the reflex mirror, it seems likely the designer would place the rear elements closer to the sensor.

Fujifilm makes a 1.4x TC for 250mm/f4.0 of its medium format mirrorless GF system.  I couldn't find an image of the TC shot from the rear, but it's construction may give use some hint.
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longzoom

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Re: Nikon Z6/7 mirrorless system
« Reply #1038 on: December 13, 2019, 04:24:34 »
Quote from: mxbianco on December 12, 2019, 20:00:21
We are talking Z-mount here, where would you find an el-cheapo z-mount teleconverter? And then, an 11mm long teleconverter is simply impossible to find even in F mount...

Ciao from Massimo
There is no any Nikkor Z micro so far. So use F mount thru FTZ. Set any macro (or any other lens you wanna use for macro), to intermediate position to compensate for the longer body of TC.  Turn AF off. That's all.
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Bent Hjarbo

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Re: Nikon Z6/7 mirrorless system
« Reply #1039 on: December 13, 2019, 09:37:07 »
Luc, Eddie and Paco, thank you for the quick replies.
Wonder what Nikon is measuring  :o
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Eddie Draaisma

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Re: Nikon Z6/7 mirrorless system
« Reply #1040 on: December 13, 2019, 09:41:33 »
Quote from: Bent Hjarbo on December 13, 2019, 09:37:07
Luc, Eddie and Paco, thank you for the quick replies.
Wonder what Nikon is measuring  :o

The height of FTZ (bottom to  white dot on top) is (measured again) 80mm...
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Krille

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Re: Nikon Z6/7 mirrorless system
« Reply #1041 on: December 13, 2019, 09:55:46 »
Has anyone tested the: AF-S 20/1,8 G, Nikkor 35 1.4, Voightländer 90mm f3,5 SL II and Zeiss 35/2 on either Z6 or Z7?
Sorry if it is menthioned someware in the thread, but read it a few times and not found anything!
Krister
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mxbianco

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Re: Nikon Z6/7 mirrorless system
« Reply #1042 on: December 13, 2019, 10:03:07 »
Quote from: Luc on December 12, 2019, 23:56:06
With www.camerasize.com you can compare camera+lens combinations (though not with "old" Nikkors)

Like Z6 (with FTZ) vs Df

http://j.mp/2PDs4Jr

Nice visual comparison, I spotted an error in the weights: the FTZ (135 g) is not accounted for on Z6 side
Comparing with native Z 50mm/1.8 S (naturally no FTZ) the DF is still the winner in diminutive size, although helped in winning by the protrusion of Z6's EVF.

Ciao from Massimo
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Birna Rørslett

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Re: Nikon Z6/7 mirrorless system
« Reply #1043 on: December 13, 2019, 10:51:24 »
Quote from: Krille on December 13, 2019, 09:55:46
Has anyone tested the: AF-S 20/1,8 G, Nikkor 35 1.4, Voightländer 90mm f3,5 SL II and Zeiss 35/2 on either Z6 or Z7?
Sorry if it is menthioned someware in the thread, but read it a few times and not found anything!
Krister

Not an owner of the Zeiss, but the others have been used on my Z6. No issue at all.
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mxbianco

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Re: Nikon Z6/7 mirrorless system
« Reply #1044 on: December 13, 2019, 10:56:24 »
Quote from: Bent Hjarbo on December 13, 2019, 09:37:07
Luc, Eddie and Paco, thank you for the quick replies.
Wonder what Nikon is measuring  :o
It's not easy to measure the depth of the FTZ adapter, the weather sealing between Z body and FTZ gets in the way...
With a digital caliper, I measured between 31.30 and 31.90 mm. [I did not push the caliper blades to avoid ruining the sealing]. If you average it out and subtract the approximate 1.20 mm of the weather sealing you get 31.60-1.20 = 30.40 mm, very nearly the nominal 30.50 mm that will bring the FTZ lensmount 46.50 mm away from the sensor (Z lens register is 16 mm).

the 0.10 mm difference is to be tolerated, I wasn't looking for absolute precision.

As for the height of the FTZ adapter, my measuring says 80.20 mm, a little more if you account for the white dot
The width of the FTZ adapter is 70.00 mm

Ciao from Massimo
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mxbianco

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Re: Nikon Z6/7 mirrorless system
« Reply #1045 on: December 13, 2019, 10:57:59 »
I'll be glad to report on Voigtländer 90mm f3.5 SL II and Nikkor 35/1.4 AiS as soon as proper testiing is done.

Ciao from Massimo
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Bent Hjarbo

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Re: Nikon Z6/7 mirrorless system
« Reply #1046 on: December 13, 2019, 11:13:21 »
Quote from: mxbianco on December 13, 2019, 10:56:24
It's not easy to measure the depth of the FTZ adapter, the weather sealing between Z body and FTZ gets in the way...
With a digital caliper, I measured between 31.30 and 31.90 mm. [I did not push the caliper blades to avoid ruining the sealing]. If you average it out and subtract the approximate 1.20 mm of the weather sealing you get 31.60-1.20 = 30.40 mm, very nearly the nominal 30.50 mm that will bring the FTZ lensmount 46.50 mm away from the sensor (Z lens register is 16 mm).

the 0.10 mm difference is to be tolerated, I wasn't looking for absolute precision.

As for the height of the FTZ adapter, my measuring says 80.20 mm, a little more if you account for the white dot
The width of the FTZ adapter is 70.00 mm

Ciao from Massimo
OK, so the hight is measured from the tripod foot?
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mxbianco

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Re: Nikon Z6/7 mirrorless system
« Reply #1047 on: December 13, 2019, 11:22:57 »
Quote from: Bent Hjarbo on December 13, 2019, 11:13:21
OK, so the hight is measured from the tripod foot?

Yes, from the tripod foot

Ciao from Massimo
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Krille

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Re: Nikon Z6/7 mirrorless system
« Reply #1048 on: December 13, 2019, 12:33:59 »
Quote from: Birna Rørslett on December 13, 2019, 10:51:24
Not an owner of the Zeiss, but the others have been used on my Z6. No issue at all.

Thanks for the answer
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golunvolo

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Re: Nikon Z6/7 mirrorless system
« Reply #1049 on: December 13, 2019, 14:49:31 »
The 35mm1.4 ai-s gave better results than ever with z6 for me (I'm pretty bad with. manual focus until 100% magnification in efv...)
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