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is a helicoid adapter good enough for focusing
  
 
rsrsrs
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p.1 #1 · p.1 #1 · is a helicoid adapter good enough for focusing



or is it just a crap, means not precise at all?

i plan to use it as an holder with helicoid for lens.

can u recommend a good one that not 100 or more?

thx
reinhard



Oct 28, 2016 at 03:54 PM
arduluth
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p.1 #2 · p.1 #2 · is a helicoid adapter good enough for focusing


Obviously, it depends on the adapter.

There's no reason it wouldn't be precise. What makes you think it wouldn't be precise? There's no distance scale, so precision in that sense never really enters into it. Put focus where you want. Shoot. Done.

You're going to have to give us more information before we could recommend a specific one.



Oct 28, 2016 at 04:00 PM
rsrsrs
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p.1 #3 · p.1 #3 · is a helicoid adapter good enough for focusing


i want to put it inbetween:



[url=http://www.fredmiranda.com/forum/topic/1371136/0#13064365]here



Oct 28, 2016 at 04:38 PM
 

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freaklikeme
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p.1 #4 · p.1 #4 · is a helicoid adapter good enough for focusing


I have a lot of success with the cheap Chinese helicoids. From what I've seen, there are two manufacturers, YIPENG, which has more of an old Minolta look to the focus grip, and the no-names that just have the raised squares in two rows around the focus rings. I have both and I wouldn't recommend one over the other so far as fit and function goes. I haven't had a problem with any creeping when the lenses are pointed down. And even the ones that I've had and used the longest (little over a year) hold their position very well. If they weren't precise, there's no way I'd be able to focus the Rodenstock 60 on one.

Check out wyhking007's store on the bay. Very reliable, quick to ship, and the one helicoid I had a problem with (it locked up fully extended and wouldn't reverse) he exchanged with no questions asked. Highly recommended.

With the 60...

a7rII_Rode60HR_Backlight_Butterfly by Bradley Clemens, on Flickr



a7rII_Rode60HR_Willow_Pillow by Bradley Clemens, on Flickr



a7rII_Rode60HR_Utah_Canyon by Bradley Clemens, on Flickr



Oct 28, 2016 at 07:33 PM
philber
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p.1 #5 · p.1 #5 · is a helicoid adapter good enough for focusing


Actually, Voigtländer released a lens Voigtländer 40mm Heliar for E-mount that has no focusing ring, but must, instead be focued with the Voigländer close-focus helicoid adapter. So it is all right, it seems. Though, to be honest, a 40mm f:2.8 isn't the most taxing of lenses.


Oct 28, 2016 at 08:05 PM
JohnJ
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p.1 #6 · p.1 #6 · is a helicoid adapter good enough for focusing


Helicoids are fine. I've been using them with various lenses for a long time (5+ years). Focusing accuracy depends on you and your camera, not the adapter, as the ones I've had experience with don't have significant play that could cause issues.


Oct 28, 2016 at 10:16 PM







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