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Multi-Shot question.

S

Shelby Chan

New Member
Are three consecutive shots taken one after another or are the color channels just separated from a single shot, sort of like the Foveon sensor?

Thanks for any input.
 
Shelby Chan said:
Are three consecutive shots taken one after another or are the color channels just separated from a single shot, sort of like the Foveon sensor?

Thanks for any input.
Click to expand...

Hasselblad currently manufactures three MS (Multi-shot) products:

CFII39MS
H3DII39MS
H3DII50MS

These offer the option to capture a single shot capture or 4 shot.
With a 4 shot capture the digital magazine/camera must be tethered to a computer and multi-shot selected in the Capture tab > Camera menu of Phocus.

The camera will capture 4 shot individual images, one capture for Red, then the sensor will move 1 pixel and the second capture will be for Green, the sensor will move 1 pixel and the third capture for Blue then the sensor will move 1 pixel and the fourth capture will be for Green. At the completion of the fourth capture, Phocus will compile the images to generate one capture with un-interoplated information.

I hope this short version helps to better understand what is taking place.

The Tate, London

The Met, New York

H3DII39MS datasheet Page three has a description and graphics showing multi-shot.

Paul Claesson
Hasselblad USA
 
Thank you, Paul. What would you say is the length of time between each image taken in MS mode? I ask because some of the still-life applications require "painting with light". I assume that technique is not possible with MS?
 
Shelby Chan said:
Thank you, Paul. What would you say is the length of time between each image taken in MS mode? I ask because some of the still-life applications require "painting with light". I assume that technique is not possible with MS?
Click to expand...

You can set the Flash Duration from the Phocus preference window for 1 or more seconds allowing the your flash power packs enough time to cycle to 100% capacity. Consistency of flash output for each of the 4 shots is extremely important.

Painting with light during a long exposure will not be possible as the results from the first capture to the last will vary dramatically and not be consistent.

However, in single shot mode and the digital magazine menu set to Pinhole, you can "paint with light" provided you are photographing in a dark room.

Paul Claesson
Hasselblad USA
 
Paul Claesson HUSA said:
You can set the Flash Duration from the
However, in single shot mode and the digital magazine menu set to Pinhole, you can "paint with light" provided you are photographing in a dark room.

Paul Claesson
Hasselblad USA
Click to expand...
Can you not "paint with flash light", using 2 pairs of pocket wizards, firing the camera with one pair, and the flash(s) with the other, so that I could walk round e.g. a cathedral with 4 Metzs, taking a series of pictures, eliminating low ambient with the high sync speed, taking some ambient pix as well if required, and putting together a picture in PS?

I have not tried this, but I cannot see why it would not work.

¿A Metz 76 gives you about f8 @ 8m @100 asa, 4m @ 50 asa, so with 2 76s and 2 72s, I should be able to light up a bay of a cathedral with a couple of shots (one main (away from the camera) and one fill)?

¿...and you can increase res by putting your Hasselblad back on a Sinar with a stitching back..?
 
Dick Roadnight said:
Can you not "paint with flash light", using 2 pairs of pocket wizards, firing the camera with one pair, and the flash(s) with the other, so that I could walk round e.g. a cathedral with 4 Metzs, taking a series of pictures, eliminating low ambient with the high sync speed, taking some ambient pix as well if required, and putting together a picture in PS?

I have not tried this, but I cannot see why it would not work.

¿A Metz 76 gives you about f8 @ 8m @100 asa, 4m @ 50 asa, so with 2 76s and 2 72s, I should be able to light up a bay of a cathedral with a couple of shots (one main (away from the camera) and one fill)?

¿...and you can increase res by putting your Hasselblad back on a Sinar with a stitching back..?
Click to expand...

Dick,

Yes, this an option. Maybe I was reading into what Shelby's question was about "Still life application" and i was thinking he was working in a controlled studio environment.

The limitation is working within the long exposure time contraints, 32 seconds (22, 50MP) or 64 seconds (31, 39MP) if working with an CF, H3D/H3DII. The "Pinhole" mode would only be available if the H3D digital magazine were removed from the H3D body and attached to a view camera.

Paul Claesson
Hasselblad USA
 
Paul, thank you very much for your replies.You have answered all the critical questions I have had for a while and will dictate which system is right for me.

Best,

Shelby
 
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