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Everything posted by JohnBarlow
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Focus with your feet
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Some time with the SLR Magic Anamorphot 1.33x - 50
JohnBarlow replied to Sean Cunningham's topic in Cameras
@tonyw Those blue flares aint blue flares mate. They be blue ghosts :) Internal reflections and all that... Yeah, Blue ghosts, which makes this the perfect adapter if you wanna make a PacMan movie. No kidding. Andrew Chan must be cringing if he has seen this, no comparison to the shorts put up by Sebs and elubes -
My take: If the front element is 40mm dia then it is a 16C, similar to Moller 32/2x. Quite uncommon :)
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Interesting, maybe its the same fellow who bought them selling one off, so he effectively gets one free :)
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I have never before seen a mint condition one like this. Described as Mini , so might have escaped some searches. I know some members are looking for one, so here it is http://www.ebay.fr/itm/MINI-ANAMORPHIC-LENS-CINEMASCOPE-LENS-ARRI-AATON-/121305565402?pt=FR_IQ_PhotoVideo_Photo_Objectifs_Zooms&hash=item1c3e6008da
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Difference between Sankor 16C and 16D? Is there any, really?
JohnBarlow replied to MathiasLaustrup's topic in Cameras
16D is a much bigger unit weight is 540g -
I am not going to say awesome. Ooops just said it :P
- 12 replies
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- lomo anamorphic
- ml raw
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(and 2 more)
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Black Magic Camera over heats and sets camera on fire
JohnBarlow replied to andy lee's topic in Cameras
Of course this could be FUD :P , but can you imagine if the BMPCC caught fire when well ....... when it was in your trouser pocket!!! This old tune comes to mind... -
For event type stuff I use YongNuo LED unit - search ebay. Good quality , cheap and runs off AAs Also I find bouncing a very powerful HID flashlight off ceiling (<12ft) works very well, but you need an assistant
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I've seen a few ISCO 36s go in the range 2-2.5K UKP, got snapped up quick. This means that a 36 with a VD rehouse plus some diopters will set you back a cool 4K UKP without a support rig and that only half scope. A full 2x single focus well I wonder what that would be worth, hmmm I dont want to say too much but to quote from the movie 2010 sequel to 2001 "Something wonderful is about to happen" ;)
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Personally, I wouldnt call the huge variation (referring to the examples quoted) in image height a breathing issue, but more a full-on zooming effect, which is quite similar to key framing out magnification changes in post. Thankfully the ARRI/Zeiss solution fixes both as claimed in the bullet points at their site http://www.arri.com/camera/cine_lenses/prime_lenses/anamorphic.html Sure, they have a modern look but it is very easy to steal the transfer function and colour palette of any lens these days.
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I disagree that Panavision fixed the problem, I would go as far as saying that they botched it anyone seeing the many focus pulls in these two recent movies for example: http://www.imdb.com/title/tt1430132/technical?ref_=tt_dt_spec http://www.imdb.com/title/tt1413495/technical?ref_=tt_dt_spec will immediately witness that something is not right and is far from the complete fix offered in the new ARRi/Zeiss Master series.which are seamless optical perfection and that it has taken the industry 60 years to get the proper solution.
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The design condition for an anamorphic lens is always at the infinity focus state (afocal rule). So if a lens is stated at 1.5x it means this is true only for an object focused at infinity. Objects focused at close range will exhibit lower stretch, perhaps as low as 70% of the rated stretch at say 0.5m. This is the reason behind the mumps phenomenon in projected films.
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Slight change of spec to accomodate the plethora of 645 and 6x6 lenses and above out there 1) New 24x57mm sensor for native 2.35:1 acquisition at 4k, easily falls inside current technology envelope and only 60% bigger sensor than FF. Big bokeh wide angle -very tasty. 2) Inbuilt firmware crop to full height (24mm) 16:9, giving a very respectable 3k acquisition and a bokeh boost over current FF 3) Inbuilt firmware crop to full height (24mm) 6:5, giving a very respectable 2k acquisition for CinemaScope purposes and for the 4k reality mode haters Canon could make this tomorrow, game changer.
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Wanna new toy? How about a 65-70mm camera, that records native 2.35:1? 4k in this format, well thats worth having :P
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Isco Gottingen Iscomorphot 8 (Baby Iscorama) Anamorphic Lens
JohnBarlow replied to beeldlab's topic in Cameras
Y'Know, I am a great fan of the minimalist approach :) -
Your Top 10 Most Influential Feature Films (fun/non-gear-related)
JohnBarlow replied to a topic in Cameras
These are movies I find myself watching over again The Red Shoes http://www.imdb.com/title/tt0040725/ The Grandmaster http://www.imdb.com/title/tt1462900/ L'uomo delle stelle/The Star Maker http://www.imdb.com/title/tt0114808/ Malèna http://www.imdb.com/title/tt0213847/ La leggenda del pianista sull'oceano/The Legend of 1900 http://www.imdb.com/title/tt0120731/ La migliore offerta/The Best Offer http://www.imdb.com/title/tt1924396/ Le fabuleux destin d'Amélie Poulain/Amelie http://www.imdb.com/title/tt0211915/ La cité des enfants perdus/The City of Lost Children http://www.imdb.com/title/tt0112682/ Micmacs à tire-larigot/Micmacs http://www.imdb.com/title/tt1149361/ Un long dimanche de fiançailles/A Very Long Engagement http://www.imdb.com/title/tt0344510/ Some are not yet available on Blu Ray, but when they are you bet I shall be watching over again :P -
Anamorphic squeeze/stretch and its effect on color space & bit depth
JohnBarlow replied to QuickHitRecord's topic in Cameras
@Nick, Suppose you recorded 4:2:0 1080x1280 in CinemaScope. After stretching horizontally you get 4:2:0 1080x2560. Then after further scaling by 0.75x to fit a 810x1920 box, the colour sampling would increase by 1.33x to somewhere between 4:2:0 and 4:4:4. Of course you would only see this benefit if you did the edit/scaling in 4:4:4 codec If you recorded with 5D MLRaw then you would get very close to 4:4:4, Full height 14-bit true CinemaScope Also see A1ex's reply in this thread for custom crops http://www.magiclantern.fm/forum/index.php?topic=8726.0 -
This is how to do it.... 1 In the NLE, place clip on timeline and overlay 3 copies. 2 Normalise the result to 10 bit to prevent over exposure 3 Shift copy1 vertical by 1 pixel 4 Shift copy2 vertical by 1 pixel and horizontal by 1 pixel 5 Shift copy3 horizontal by 1 pixel Output to 1080p 444 10 bit (even though it is 11 bit) ta da
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Ok, Please stand by.... I make video called " How to unscrew a nameplate ring ACW, with your host John "
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When they took the lead (among other elements) out of the glass for RoHS compliance, that's when things got boring. N-BK7 isnt a patch on good old BK7, which has the lead. The lead is responsible for the micro diffusion which you see in the Lomo example above, Mollers have this look too and Schott glass from the 60s. You take the lead outta the pencil script you have no story, you take the lead outta the glass you have no soul. Get a Xenar from the fifties and it will sing like Aretha Franklin. just sayin'
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Hell yah, Just wear it like a punk ear ring or nose ring :P & if you're adventurous maybe a Prince Albert :blink:
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There is a much easier way of holding a filkter. Just unscrew the front nameplate ring ACW and it reveals a 55mm thread just sayin' Also this scope is easy to convert to dual focus....
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So, where abouts do you live? ha ha Anyway you must watch/buy /rent this movie on Blu Ray The Grandmaster http://www.imdb.com/title/tt1462900/ because its a bokeh showcase for the Cookes, mindblowing eye candy.
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I dunno, a Brit buys a couple of Brit lenses and some people kick off, hmmm Andrew do these have the same scalloped iris shape as the S4s ?