What camera to get?..wait? random questions..

R

RC23

Member
Okay, so I'm out of the loop.
Basically, I haven't heard of anyone shooting a film in the LA area on a prosumer camera that isn't using some kind of 35adapter... with that said.. wont some company create a camera that mimics what 35 adapters do?

1. Are there any real differences between the image quality of a Canon AH1(for example) and a Canon HV20 when using a 35 adapter? they both do 24p 1080i..

2. How is it possible to use a canon EOS lens on a redrock when the iris is changed on the DSLR normally? How can that work?

3. I hear you can get amazing nearly uncompressed quality out of an HV20 or for that matter any camera with hdmi output with external recorders.. are those available yet?
Is it true?

4. There is a lot of different HD formats out right now.. what is best in the sub $10,000 range? and why? What are the major differences?


thank you for the expertise, lots of questions I know.. answers to any would be awesome!
 
q. "wont some company create a camera that mimics what 35 adapters do?"

a. go to red.com


1. the biggest difference i can see is iso. hv20's iso is something like 120. a1's iso is around 320. also when these cameras are pushed with gain, the a1 at 12dB of gain looks much better than the hv20 with 12dB of gain.

other difference are the whole CMOS vs CCD thing. the cmos wobble is becoming more and more of a problem for me as i do a lot of handheld.


2. not sure

3. you can get a black-magic intensity card and pump hdmi through your computer. but it's limiting you to within cable range of a full pc. there are portable recorders coming out soon by convergent design and cineform. but they will be bloody expensive. it's probably better to just buy an ex-1.

4. depends..... probably the ex-1. major differences are long-gop vs. intra-frame.
 
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1. HV20 actually has better image quality than A1 due one chip design alone but A1 will need only half the light in low light situation, that`s only one stop. One chip design does not have any chromatic abberation issues as well as no vertical stripes from unshaded point lights that is common on 3CCD camcorders.
2. You can change and lock EF lens aperture on a SLR body and then mount the lens on 35mm adapter - troublesome and time consuming.
3. Yes you can get uncompressed out of HDMI and best of all there is a possibility to convert a laptop`s, such as the Asus eee PC, mini PCIE port to regular PCIE port which means you could use Blackmagic intensity - but that`s my guess and not a proof yet. But theoretically you can get an external HDMI recorder for about $800 that way - unfortunately you will be limited to throughput and capacities of external USB drives or SD media.
4. NAB brings news but Sony EX1 seems the best.

Cheers,
T
 
EOS mount is not intended for EOS lenses with a 35mm adapter. EOS mount has the shortest register distance for lens adaptability. Greastest number of lens available by different manufactures can mount to EOS for this reason. for example my 28mm is a distagon/zeiss, my 35mm is an elmarit/leica, my 50mm is a planar/zeiss, and my 85 is a Nikon H. It gets more interesting with other focal lengths, but this should give you an idea what EOS is about.
 
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Toenis said:
1. HV20 actually has better image quality than A1 due one chip design alone but A1 will need only half the light in low light situation, that`s only one stop. One chip design does not have any chromatic abberation issues as well as no vertical stripes from unshaded point lights that is common on 3CCD camcorders.
Click to expand...


I don't know if the HV20 has chromatic abberation or not, but I don't think that wholly depends on whether it's using a CMOS chip or a 3CCD design. Digital SLRs have issues with chromatic abberation and they all use either a single CCD or CMOS chip. I always thought that CA was, for the most part, a function of the lens' build quality. http://www.luminous-landscape.com/reviews/chromatic.shtml

Lenses for 3ccd cameras probably have to be designed differently than film lenses in order to cut down on chromatic abberation. But since most 3ccd cameras like the A1 have a stock lens that is designed for the camera that shouldn't be an issue in why the A1 has more CA than the HV20. It could be that the HV20s lens exhibits it less.

davide
 
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