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Thread started 28 Jan 2014 (Tuesday) 21:13
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New Rokinon 14mm 2.8 w/ Red ring $275

 
Xyclopx
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Feb 10, 2014 21:07 |  #121

gnome chompski wrote in post #16679917 (external link)
at 2.8 it reacts much more quickly/noticeably to adjusting the focus. I had it set to f11 above, so I guess it should be expected that it wouldnt react to focus very quickly. However, I might have misunderstood about backlash. I thought it was the de-synching of the gears so to speak, the dead space, when adjusting the focus. Mine has no slop, no dead area (at least nothing noticeable) when adjusting focus.

Yes that is what is meant.


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Scatterbrained
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Feb 10, 2014 21:29 |  #122

gnome chompski wrote in post #16679779 (external link)
.......
funny thing, when live viewing at 10x to critical focus, it rarely changes, LOL.......

You are focusing with the lens wide open right? Bear in mind that at f/2.8 hyperfocal is around 7 feet and at f/5.6 it's at about 3 feet. :eek::cool:


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Feb 10, 2014 21:36 |  #123

So what happened to that huge Cokin style filer? Any news? Price?


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Feb 10, 2014 21:46 |  #124

As far as I know it's Euro only for right now. :(


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Feb 10, 2014 21:48 |  #125

Any rough estimate on cost?


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Feb 10, 2014 22:01 |  #126

samsen wrote in post #16680022 (external link)
Any rough estimate on cost?

It's priced at somewhere around 230 euros IIRC. What it will be in the US will likely be influenced by more than the currency exchange rates however. I'd imagine less than $350.


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Feb 11, 2014 00:07 |  #127

Thanks for the info Scatterbrained.
That is what I was thinking (And was afraid of), i.e. filter more expensive than lens itself.
I guess one can look into a home made rear end gel ND filter as alternative if an easy DIY can be established.


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Feb 11, 2014 00:11 |  #128

Scatterbrained wrote in post #16679981 (external link)
You are focusing with the lens wide open right? Bear in mind that at f/2.8 hyperfocal is around 7 feet and at f/5.6 it's at about 3 feet. :eek::cool:

no, I was trying to focus at f11 and it was impossible haha. I wasnt thinking....


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Feb 11, 2014 07:02 |  #129

The backlash ("slop", "give", "play", whatever) is probably about 1/2 inch on the focus ring on mine, so it's fairly significant.
However, I don't know if I want to deal with trying to get a better copy. I bet that if I exchange it, the next one will have no backlash but will be soft, decentered, etc. It may take 5 returns before I get a good one. I'm not sure about Buydig's return policy, whether they cover return shipping or not (I know B&H and Adorama does cover it for defective items.) If they don't cover return shipping I may end up spending $60 or more on finding a good, solid sharp copy (there is no problem with sharpness on mine.)


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Feb 11, 2014 07:05 |  #130

samsen wrote in post #16680022 (external link)
Any rough estimate on cost?

This is from the samyang uk website -

Specifications of Samyang SFH-14 holder:

  • Material: ABS plastic, metal;
  • Weight: 115 g (weight without filters);
  • Dimensions: 180 x 168 x 45 mm;
  • Price: 32 €;

Specifications of Cokin company filters:
  • Material: optical resin;
  • Dimensions: 161 x 139 x 3 mm;
  • Weight: 130 g;
  • Price (RRP):
    • 63 € – Cokin 154 ND8,
    • 68 € – Cokin 121M ND4,
    • 68 € – Cokin 123S.
So 100 Euros roughly for the holder and one filter

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Feb 11, 2014 07:10 |  #131

gnome chompski wrote in post #16679779 (external link)
funny thing, when live viewing at 10x to critical focus, it rarely changes, LOL. Gonna take this to Belize next month and try to get some stereotypical seascapes.

Thanks for that. I've never had a lens like this, that I couldn't detect the focus through the viewfinder. I've been relying on the focus ring numbers to get me to hyperfocus. I was thinking maybe my eyes are really starting to get old....and they are....but not the reason I can't focus this lens. What few shots I've taken, have looked good and sharp on my monitor.


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Feb 11, 2014 09:59 |  #132

xpfloyd wrote in post #16680655 (external link)
This is from the samyang uk website -


Specifications of Samyang SFH-14 holder:
  • Material: ABS plastic, metal;
  • Weight: 115 g (weight without filters);
  • Dimensions: 180 x 168 x 45 mm;
  • Price: 32 €;
Specifications of Cokin company filters:
  • Material: optical resin;
  • Dimensions: 161 x 139 x 3 mm;
  • Weight: 130 g;
  • Price (RRP):
    • 63 € – Cokin 154 ND8,
    • 68 € – Cokin 121M ND4,
    • 68 € – Cokin 123S.
So 100 Euros roughly for the holder and one filter

Thanks.
I could live with this happily.
Considering the size, this would fit virtually any other lens I have (In case) with the surely to show up adapter soon. So might be a good investment.
Will wait a little longer and if not seeing this in this side of pond, will start making my own. Just checked with gels and Lee Neutral Density lighting Gel Filter sheet 21"x24" is just north of $10 so even if Not a successful trial, still would worth a try.


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Feb 11, 2014 10:35 |  #133

gabebalazs wrote in post #16680646 (external link)
The backlash ("slop", "give", "play", whatever) is probably about 1/2 inch on the focus ring on mine, so it's fairly significant.
However, I don't know if I want to deal with trying to get a better copy. I bet that if I exchange it, the next one will have no backlash but will be soft, decentered, etc. It may take 5 returns before I get a good one. I'm not sure about Buydig's return policy, whether they cover return shipping or not (I know B&H and Adorama does cover it for defective items.) If they don't cover return shipping I may end up spending $60 or more on finding a good, solid sharp copy (there is no problem with sharpness on mine.)

They will cover shipping if item is defective. Yours is technically defective. They won't bug you with questions.


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gnome ­ chompski
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Feb 11, 2014 11:30 |  #134

yea, mine has no backlash/slop (obviously there is some, or it wouldnt turn smoothly)

I went out last night and took some night shots. Really fun to use this lens. I would say try to get a decent copy because when you do you will enjoy it.


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Mar 18, 2014 17:40 |  #135

I just got another and my copy has backlash as well. So it appears to be normal with the lens. My new copy though looks extremely sharp edge to edge. So I will stick with it. I want to do a few more tests.


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New Rokinon 14mm 2.8 w/ Red ring $275
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