Frequently asked questions

  1. What kind of 35mm Film lenses can be used on MOVIEtube?
  2. How much light is lost?
  3. Does the ľ ď screw of the camera mounting table fits to every docking-camera?
  4. I accidentally got a grainy image, because I stopped down to much. Is there any chance to do grain surgery in post?
  5. Sigma Lenses?
  6. Nikon Lenses?
  7. How can I avoid having the grain of the projection glass showing up on the tape?
  8. It seems to me that the rods are the same size as used with Aaton and Broadcast Video Cameras, so I could use my own longer rods?
  9. What kind of technology is there to remove the grain of the glass where the image is projected?
  10. Is the technical image quality different if it is zoomed in to 16mm (7,4mm x10,4mm) image. In other words: Can I for example shoot different formats or zoom from S-35mm to 16mm in the same shot without noticing it in the monitor?
  11. Is MOVIEtube LT (MOVIEtube ST) noisy?
  12. Does MOVIEtube Light need it's own power supply?
  13. I am wondering what your present developments are for these larger 72mm Cameras (Sony HDR Z1 par example)?
  14. There is almost constant vignetting in the Glashouse video "Du" as well in the Richard Davis Videeo "Sometime" - is it a result of the MOVIEtube limitations or purely an artistic design?
  15. What is the weight of MOVIEtube LT (without Camera and accessoirs)?
  16. Is the image captured by the camera upside-down and/or mirrored?
  17. Can I use old Arri standard lenses (front 49 mm, I have Cooke's and Zeiss lenses) or Arri high speed lenses (my 35mm lense serie is mark I type)?
  18. I learned that it has an image size like in Super 35mm, but can you vary the image size in it ? (I have a nice set of Mamiya 645 manual lenses and of course it would be nice to use that format as a full)
  19. Is MOVIEtube going to accept cameras like Canon XL-2 aswell as cameras with non removable zoom lenses?
  20. When using the nikon lens adapter, can the nikon lens iris be controlled with the aperture-ring on the lens
  21. Can I upgrade my MOVIEtube LT?

 

1. Question: What kind of 35mm Film lenses can be used on MOVIEtube?
Answer: Virtually all 35mm film lenses can be used on MOVIEtube as well as many still photography lenses. Please check then Lens compatibility list. You may need to purchase a different lens mount adapter additional to the PL mount, which comes with every MOVIEtube.MOVIEtube is well known for its capability to accept very wide-angle lenses without hotspot or dark corners. Just make sure that the distance between the bayonet flange and the last lens element is not longer than 32mm (1,26Ē), otherwise the front glass inside the tube may be damaged. Please download the list for MOVIEtube PL-Mount compatible lenses. Go to "news" and download the PDF-File.
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2. Question: How much light is lost?
Answer: The MOVIEtube FILMscreen needs approx. 1.3 Stop. By zooming the miniDV to the S-35mm gate, the miniDV looses approx. 1/2 stop. So the light loss of the MOVIEtube system with DOCKINGcamera is approx. 1.8 stops w/o film-lens. One benefit of the microcrystalline FILMscreen is a better-looking blurring and a homogeneous image with excellent detail resolution. One may use very wide angel lenses like ARRI Ultra Prime 8R the Peleng 8mm fisheye without getting dark corners. Also the intermediate FILMscreen does not rotate, so itís possible to shoot with different frame rates and shutter speed, without having a disturbed image and itís operating without noise. While shooting indoor, itís possible to compensate the light loss by using high-speed lenses and shooting with 25 shutter and up to 9db gain.
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3. Question: Does the ľ ď screw of the camera mounting table fits to every docking-camera?
Answer: We found some differences between Panasonic and Sony models. For some models you need a longer screws for example use ľ ď Manfrotto screws. Attention: If you use a longer screw in a shorter ľ ď camera mount you may brake through the mount and damage the electronic of the camera. In that case shorten the screw while using a washer between the screw head and the bottom of the camera mounting cable.
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4. Question: I accidentally got a grainy image, because I stopped down to much. Is there any chance to do grain surgery in post?
Answer: Yes, there are many tools available, originally developed to remove noise provided by all digital chips. Since the FILMscreen has a steady and very fine grain texture (when itís stopped down too much) it can be eliminated by such plug-ins. Also it may be used for deleting noise caused by the video chop and the video gain funktion as well. We tested Noise Ninja from PictureCode together with Adobe AfterEffects and achieved good results and a very clean image. If you consider printing your footage to 35mm film we recommend to do noise reduction anyway. Other programs are: Neat image, Noiseware, Picture Cooler and Grain Surgery.
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5. Question: Sigma Lenses?
Answer: Check out: http://www.sigmaphoto.com/lenses/lenses_all.asp
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6. Question: Nikon Lenses?
Answer: Check out: http://www.nikonusa.com/template.php?cat=1&grp=5
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7. Question: How can I avoid having the grain of the projection glass showing up on the tape?
Answer: Donít stop the FILMlens down above f/4-5.6. If you shoot on HDV or HDCAM not more than f/2.8 .Use neutral density filters when there is too much light.
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8. Question: It seems to me that the rods are the same size as used with Aaton and Broadcast Video Cameras, so I could use my own longer rods?
Answer: Yes- MOVIEtube LT is equiped with 15mm Standard Rods, distance 60mm (center/ center). It can be used with every light weight support equipment and itís exchangeable with rods of other length or material. The MOVIEtube ST comes with both, 15mm light weight support and a 19mm interface with cine standard rods for film style gear.
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9. Question: What kind of technology is there to remove the grain of the glass where the image is projected?
Answer: Because of its microcrystalline technology, the patented MOVIEtube Filmscreen does not rotate, which results in excellent detail resolution and a sharper image with no hotspot or dark corners, even with very wide-angle lenses. Depending on the shot itís possible to fully close the Iris, without seeing any rotating grain. Use the shutter of your choice, do your camera movements with any speed and create your shots with different frame rates- just as you like.
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10. Question: Is the technical image quality different if it is zoomed in to 16mm (7,4mm x10,4mm) image. In other words: Can I for example shoot different formats or zoom from S-35mm to 16mm in the same shot without noticing it in the monitor?
Answer: Itís like with chemical film. Because of itís bigger size, S-35mm has a better Quality than 16mm. Using the S-35mm Gate will yield better detail resolution, and the grain is not as big. As in every chemical film production, different materials with different sensitivity and therefore different detail resolution and grain, is mixed, itīs possible with Movietube, too.Note: Quality of Lenses and different Gate sizes should be tested before shooting. Itís the Filmmakers decision after all.
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11. Question: Is MOVIEtube LT (MOVIEtube ST) noisy?
Answer: The MOVIEtube cameras are fully optical. No electrical power is needed for generating the image.Therfore itís operating completely silently. The only thing you might hear is the tape running in the docking camera or your focus pullerís moaning because of the small dept of field.
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12. Question: Does MOVIEtube Light need it's own power supply?
Answer: The intermediate imagin prozess inside the Image tube needs no electrical power and will work worry-free even in extreme conditions. Of course the attached docking camera will need itís own battery as usual.
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13. Question: I am wondering what your present developments are for these larger 72mm Cameras (Sony HDR Z1 par example)?
Answer: To support the larger lensed Cameras, we increased all optical parts in our MOVIEtube system to wider diameters. Movietube generation 2 now works with wide and of course smaller lenses
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14. Question: There is almost constant vignetting in the Glashouse video "Du" as well in the Richard Davis Videeo "Sometime" - is it a result of the MOVIEtube limitations or purely an artistic design?
Answer: The vignett is a post effect - a artistic design.
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15. Question: What is the weight of MOVIEtube LT (without Camera and accessoirs)?
Answer: As the name implies, the MOVIEtube LT is the Light weight Version of the product line. It weighs 3.9kg (8,6 lbs) and makes the LT a perfect match for Cranes, smaller Steadicam, live action and for all other situations where a small, fexible and lightweight camera system is appropriate.
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16. Question: Is the image captured by the camera upside-down and/or mirrored?
Answer: The image is right side up.
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17. Question: Can I use old Arri standard lenses (front 49 mm, I have Cooke's and Zeiss lenses) or Arri high speed lenses (my 35mm lense serie is mark I type)?
Answer: MOVIEtube doesn`t need high speed lenses to achieve bright corners, any standard lens will work. Old Arri-Standard Lenses work too, you just need an adapter (Pl-Ring-mount) on the lens, so that it will be accepted by our Arri-PL Mount. Can be purchased from Optex.
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18. Question: I learned that it has an image size like in Super 35mm, but can you vary the image size in it ? (I have a nice set of Mamiya 645 manual lenses and of course it would be nice to use that format as a full)
Answer: The gate size of the MOVIEtube image is S-35mm (18mm x 24mm). It's rungless scalable to a 16mm (7,4mm x 10,4mm) gate by zooming the DV-Camera more in. Therefore all other sizes between S-35mm and 16mm can be achieved.With this benefit you are able to change your angle of view quickly before or while shooting, even though you use a Prime Lens. The widest gate size MOVIEtube can do, is 22mm x 28mm, that is between S-35mm and SLR gate. You have to place a special order, if you want the big gate, and we'll wide it up for you to 22mm x 28mm. Off course the Mamiya 645 Lenses, and all other middle format lenses,are big enough to illuminate a S-35mm Gate. You can use it like SLR Lenses with an appropriate Lens-adapter. Adapters for MOVIEtube can be purchased from KINOMATIK
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19. Question: Is MOVIEtube going to accept cameras like Canon XL-2 aswell as cameras with non removable zoom lenses?
Answer: At the moment only cameras with non-removable Zoom lenses are supported. So Canon XL-2 /X-L1 does not work with MOVIEtube. Check MOVIEtube/ Docking Cameras on our webpage, to see which kind of cameras are approved MOVIEtube docking cameras.
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20. Question: When using the nikon lens adapter, can the nikon lens iris be controlled with the aperture-ring on the lens
Answer: Yes, any Nikon Lens can be controlled manually, as you would do on an Arri or Panavison Lens. This means zoom, focus and iris can by regulated by hand while shooting.Restriction: The focus on Nikon Lenses is turning the ďwrongĒ way. Infinity is reached by turning the focus ring clockwise. All photo lenses, except the Canon EOS Lenses can be manually focused and stopped up/ down. Canon EOS Lenses can be used with open aparture only, because lack of focus ring on the lens. There are three restrictions to photo lenses. First: The Iris will snap in 1/3, Ĺ or Full Stops and is not to be controlled seamlessly. Second: Itīs not possible to attach a Follow-Focus-Unit to the lense, until it has no focus gear ring on the focus-ring. .Third: Autofocus Lenses do not operate as smooth as manual Lenses.
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21. Question: Can I upgrade my MOVIEtube LT?
Answer: MOVIEtube LT can be fully upgraded to a MOVIEtube ST system.
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