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cameraboy

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Everything posted by cameraboy

  1. now we can be 100 percent sure that BMCC use fairchild CIS 2051 ( only sensor in the market with BMC sensor spec) ... http://www.andor.com/learning-academy/dual-amplifier-dynamic-range-scmos-dynamic-range
  2. bmc sensor is much better than CMV12000... it uses same Dual Gain Architecture technology as arri alexa sensor (http://www.arri.com/camera/digital_cameras/technology/arri_imaging_technology/alexas_sensor.html ) and even in global shutter mode beats CMV12000 in DR ... http://www.cmosis.com/products/standard_products/cmv12000 https://docs.google.com/viewer?a=v&q=cache:JRC73fiWFzcJ:www.pco.de/fileadmin/user_upload/db/products/datasheet/BR_pco_edge_104.pdf+&hl=en&pid=bl&srcid=ADGEESgqsjYmQdEfJnoyMTl-pLFu3dKvun56_EcxuZ26yKeCXVA_mrLsmbWGHlQXmTkPnm4HC-en85D5DN0U045fTm6tmDi1PTqR_yAKkLtZPKbJ7ezi31BbiZPu5r-wmIKMt59Db8lV&sig=AHIEtbQmi1jpDhZfnqPfcHpGpQFhB6bgnQ
  3. [quote name='MaxAperture Films' timestamp='1350997763' post='20160'] I'm very comfortable with the strength of the codec, it seems to hold up better than my hacked GH2 when pushed. Color gradation just seems to be smoother. The skin tones look very pleasing as well and I don't see that greenish-yellow color shift in the shadows that sometimes crops up in my GH2 footage. My concern at this point is the moire that has reared it's head, although to be honest it seems fairly minor when compared to Canon and Nikon as it does not seem to exhibit strong false color artifacting. I think worst case scenario would involve having to obtain a drop in filter from Mosaic engineering to correct aliasing artifacts. Mosaic has now expanded their line to cover the 5D2, 7D, 60D, D800, T2i, T3i and T4i, so it seems reasonable that they could also produce a filter for the GH3, if enough demand was received for the product. With a mirrorless camera like the GH3 the filter could probably remain in the camera permanently because it would not have to be removed for still shooting like with Canon and Nikon DSLRs that require movement of the mirror in still shooting mode. [/quote] or just stay away from that 12-35 panasonic lens ...
  4. [quote name='bradleyg5' timestamp='1348895609' post='19162'] riiiiiiiiiiight I doubt in the highest possible terms that is what this camera does. You still need to move the data off the chip into memory and process it. it's a bandwidth limitation, the problem is you can't get the data off the sensor fast enough. If Sony can't do it, Canon can't do it, Panasonic can't do it, Nikon can't do it, Samsung can't do it, I very much doubt a tiny company like Leica that is still using CCDs in their cameras can do it. That's not what this camera does. [/quote] Man you are wrong on so many levels ... I will not waste my time in explaining why...
  5. 16mp 16:9 crop is 12mp... after binning we get 3mp ... 3mp is 2.3K image ... GH3 CPU could probably processed that video stream without problem ...
  6. 1dx does ... just with another name ... and dont mix LEICA with CANON ... its blasphemy ... ;)
  7. [quote name='hmcindie' timestamp='1348654500' post='19065'] Pixel binning is the exact same thing as averaging. Duh. [/quote] nope...Duh.. hardware averaging is pixel binning... looks like that leica does software averaging ...
  8. http://forum.blackmagicdesign.com/viewtopic.php?f=2&t=1288
  9. ARRI ALEXA ALEV III sensor is made by Cypress (they sold their sensor production last year) .... and price is not 20000$ , not even close ....
  10. Canon 5d Mark III does pixel binning same as gh2 ... why is so soft ? only CANON knows....
  11. 40mbit MJPEG is a little bit thin for decent compression ... 80-100 would be great ... and 30p....
  12. maybe this can explain some moire/aliasing problems ... [url="http://www.photozone.de/m43/766_pana1235f28?start=1"]http://www.photozone...1235f28?start=1[/url] @12mm 5.78% distortion ... thats bad ... most gh3 videos with aliasing/moire problems we're done with that lens ... French market test , photokina etc ... that lens @12mm is almost fisheye and camera need to do extreme distortion correction ... Lumix 12-35mm F2.8 is not that good lens... too much camera tricks to look good ... @Andrew gh3 records 0-255 or 16-235 ?
  13. except u need fastest udma 7 cards... Shane Hurlbut used this card [url="http://www.bhphotovideo.com/c/product/841569-REG/Lexar_LCF128CTBNA1000_128GB_CompactFlash_Memory_Card.html"]http://www.bhphotovi...emory_Card.html[/url] and u get 30 min .... 4GB per SEC ....
  14. [url="https://vimeo.com/49875510#at=0"]https://vimeo.com/49875510#at=0[/url] Excellent review...
  15. nothing new ... there was a lot of proof that its a same camera with different firmware ... Andrew now u can expect a lot of bashing ...
  16. panasonic lens produce moire/aliasing because distortion correction ...
  17. looks like that aliasing is product of aa filter ... even from resized photos on panasonic site we can see there is more resolution ... looks like that they go olympus route ... very light aa filter for max photo resolution but that can effect video ... similar as BMC (no aa filter ) image is cleaner (less moire and aliasing) in native resolution RAW than resized 1080p prores ... best way would be option to record video in native resolution after pixel binning 2304x1296 and let as do proper resizing in postproduction .... this is only my speculation i cant be 100% certain ...
  18. looks like that gh3 is not finished product ... more alpha than beta ...
  19. https://vimeo.com/49420579 download enabled...
  20. there something about big companies and their promo videos ... they can make high tech cameras and space technologies but no decent convert image on vimeo or you tube ...
  21. [quote name='EOSHD' timestamp='1347801838' post='18258'] I am amazed people don't know the difference between 7Mbit and 72mbit. VIMEO IS A 7MBIT STREAM!! It was 720p even, until yesterday evening. Of course it looks soft and macro blocked and crushed. [/quote] Philip Bloom mention that version he got and upload to vimeo was low bitrate and bad quality ...
  22. i dont think so ...panasonic venus engine does good job ... softness could be introduced by color correction , on lens filters or low bitrate vimeo stream (its too early to speculate ) maybe new venus engine in gh3 use better resizing algorithms than gh2(who already did great)... ironically gh2 cpu does much more computation than c300 ..
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