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#1 mst

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Posted 22 January 2017 - 12:57 AM

... I hope you don't mind some teasing, but it seems we have a 5-star review coming up :)

 

-- Markus


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#2 JoJu

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Posted 22 January 2017 - 01:36 AM

Sigma 85/1.4 Art?  ^_^



#3 borisbg

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Posted 22 January 2017 - 04:52 AM

We love teasing... and we also like clues.

#4 dave's clichés

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Posted 22 January 2017 - 09:11 AM

Hmmm 5 stars huh?



#5 dave's clichés

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Posted 22 January 2017 - 09:24 AM

Of course of all your reviews are five star Markus...... :o   

 

  Hmmm....  either it's the new AF-S 105mm F1.4,     or it's the new Nikor AF-S 70-200 F2.8E...

 

or even better, in a magnificent "call of duty" effort you've bitten the bullet and are doing comparison review the Nikor AF-S 200-500mm vs the G2 vs the Sigma contemporary.....

 

  It could be my wishful thinking of course!



#6 mst

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Posted 22 January 2017 - 09:51 AM

Haha, well, it's probably safe to assume that it's not a zoom lens... sorry, dave :)

 

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#7 JoJu

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Posted 22 January 2017 - 09:54 AM

None of them are 5★, dave.  :lol:

 

okay, about the 105... maybe, since some reviewers praise it as close to 200/2, but even that gets only 4 ½★ 

 

Do you remember any Nikon glass lately tested which comes away with 5★ (I like this star shortcut, that's all  ^_^ )



#8 mst

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Posted 22 January 2017 - 10:15 AM

Well, the 200/2 was really close to 5 stars (it got them on the D200), it's extremely sharp in the center, but not insanely great across the whole frame (still great, but not _insanely_ great). Plus, the flare...

 

Sorry, JoJu, didn't reply to your first guess: nope, it's not a Sigma :)

 

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#9 Klaus

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Posted 22 January 2017 - 10:53 AM

Well, we don't know about the Sigma yet ... ;-)
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#10 mst

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Posted 22 January 2017 - 11:27 AM

Oh, yes, true... :)

 

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#11 Rover

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Posted 22 January 2017 - 11:45 AM

5 star review on full frame with its inevitable vignetting? You gotta be kidding me. :)

 

But seriously, it could only be the 105/1.4 - since Markus has already indicated that he had gotten hold of it. Too much of a coincidence otherwise. :D (sincerely yours, Captain Obvious)



#12 JoJu

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Posted 22 January 2017 - 12:32 PM

Well, then we (meaning me, using plural majestatis for whatever reason) have to sharpen the good old equivalence axe again. I don't know for what, but a sharp axe is good to have at home at these times.  :ph34r:

 

105/1.4 E was not the lens with heavy vignetting on lenstip? I'm confused, but that's perfectly normal.



#13 Brightcolours

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Posted 22 January 2017 - 12:59 PM

The heavy vignetting (and swirly bokeh) are both because of the narrow F-mount. A lovely lens non the less.



#14 mst

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Posted 22 January 2017 - 01:16 PM

Well, I guess it was really too obvious ;)

 

So far I have only had the lens in the lab, but not used it outdoors. I plan to do so next week (pray for sun, please :)  ) and if things work out, finish the review by Friday.

 

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#15 Rover

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Posted 22 January 2017 - 03:56 PM

Great!

What I meant was, most FF lenses (fast ones more so) unavoidably end up with high vignetting when used on their native format (of course there are exceptions). But since it's inevitably construed as an optical flaw by the reviewers (not only PZ), the score is lowered. That, and the comparative sharpness level (relative to the graph) is higher on APS-C because there's some inevitable (again) deterioration towards the corners on FF - and that influences the score as well. So far, I think the only 5 star reviews we've seen was from the highest quality FF lenses evaluated on APS-C (Nikon 14-24, Canon 70-200 II...)



#16 Brightcolours

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Posted 22 January 2017 - 04:08 PM

The Samyang 85mm f1.2 avoids the heavy vignetting by only being available with the much wider EF mount. It vignets less than the Canon 85mm f1.2, apparently.  :ph34r:



#17 Rover

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Posted 23 January 2017 - 09:33 AM

The Samyang 85mm f1.2 avoids the heavy vignetting by only being available with the much wider EF mount. It vignets less than the Canon 85mm f1.2, apparently.  :ph34r:

Hmm... last I checked, the Mitakon 85mm f/1.2 is available in Nikon mount as well as Canon and whatnot. But don't beat me up if I'm wrong since I'm not that well-versed (nor interested) in MF lenses...  :unsure:



#18 Brightcolours

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Posted 23 January 2017 - 10:56 AM

Hmm... last I checked, the Mitakon 85mm f/1.2 is available in Nikon mount as well as Canon and whatnot. But don't beat me up if I'm wrong since I'm not that well-versed (nor interested) in MF lenses...  :unsure:

Wanna bet the Mitakon 85mm f1.2 vignettes more than the new Samyang 85mm f1.2 because of that? 



#19 mst

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Posted 23 January 2017 - 01:31 PM

The Samyang 85mm f1.2 avoids the heavy vignetting by only being available with the much wider EF mount. It vignets less than the Canon 85mm f1.2, apparently.  :ph34r:


I'm sure most Nikonians wouldn't mind higher vignetting. I guess Samyang went the Canon-only route just because the lens' huge rear element and the narrow F-mount are physically incompatible.

Talking about vignetting: yes, the AF-S 105 vignettes wide open, of course. 1.8 EV, to be precise. However, if that's the lens' only flaw and nothing else shows up during field-testing (like terrible flare for example), it's still on track to a 5-star rating :)

-- Markus
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#20 Brightcolours

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Posted 23 January 2017 - 01:41 PM

I'm sure most Nikonians wouldn't mind higher vignetting. I guess Samyang went the Canon-only route just because the lens' huge rear element and the narrow F-mount are physically incompatible.

Talking about vignetting: yes, the AF-S 105 vignettes wide open, of course. 1.8 EV, to be precise. However, if that's the lens' only flaw and nothing else shows up during field-testing (like terrible flare for example), it's still on track to a 5-star rating :)

-- Markus

That is what I am saying, making the back element smaller gives more vignetting (less illuminated corners) and mechanical vignetting (term used to describe the cutting off of the bokeh discs towards the edges, creating cats eye and more funny shapes and causing a "swirly" effect).

 

I know that the light fall off and swirly bokeh are its only faults. Like I said, lovely lens, and as i pointed out, both the "fault" of the narrow mount diameter.






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