Jump to content




Photo

Best way to focus 10mm Arriflex Cinegon Schneider Kreuznach lens


  • Please log in to reply
3 replies to this topic

#1 J. Winfield Heckert

J. Winfield Heckert
  • Basic Members
  • PipPip
  • 51 posts
  • Cinematographer
  • Wilmington Delaware

Posted 08 March 2016 - 10:07 AM

I have a 10mm Arriflex Cinegon Schneider Kreuznach lens. I've done some tests with it, It covers S16 pretty well. Some transfers show Darking in the corners others don't. From my tests it does seem like acceptable focus can be achieved with it. I've had the most success in focusing before shooting and leaving it set to Infinity,  and shooting above a F4. 

 

I'm shooting interiors. I plan to use this lens on moving shots and action sequences shooting subjects 3-10 feet away. This lens has focus markings of "8 "10 1 2 3 4 6 INF. I was thinking of setting it at 6ft and shooting at F4 or 5.6 and not adjusting the focus during shots. Would this give me an acceptable focus of subjects 3-10ft in front of the lens?

 

Screen%20Shot%202016-03-08%20at%209.48.2

 

Screen%20Shot%202016-03-08%20at%209.45.4

Screen%20Shot%202016-03-08%20at%209.47.1


  • 0




#2 J. Winfield Heckert

J. Winfield Heckert
  • Basic Members
  • PipPip
  • 51 posts
  • Cinematographer
  • Wilmington Delaware

Posted 08 March 2016 - 10:10 AM

The main with focus pulling is that the focus markings are almost hidden by the PL mount adapter. There are better lens options of course but this is what I have to work with. I also have an Angenieux 15-150 Zoom which is very sharp.


  • 0

#3 Mark Dunn

Mark Dunn
  • Basic Members
  • PipPipPipPip
  • 2182 posts
  • Other
  • London

Posted 08 March 2016 - 10:12 AM

Do you not have DoF tables? Mine only go down to 14mm.

Edit- here's one

https://www.google.c...t8IgvNQ&cad=rja

Looks like you're about right, about 4-5' would do.


Edited by Mark Dunn, 08 March 2016 - 10:18 AM.

  • 0

#4 J. Winfield Heckert

J. Winfield Heckert
  • Basic Members
  • PipPip
  • 51 posts
  • Cinematographer
  • Wilmington Delaware

Posted 08 March 2016 - 12:16 PM

Cool. I have an ASC manual but it didn't include a listing for a 10mm lens. It does have a listing for a 9.5 which is where I got my educated guess.


  • 0


Broadcast Solutions Inc

Zylight

Rig Wheels Passport

Visual Products

Pro 8mm

Technodolly

Tai Audio

Abel Cine

CineTape

rebotnix Technologies

Aerial Filmworks

Willys Widgets

Ritter Battery

The Slider

CineLab

Paralinx LLC

Glidecam

Technodolly

CineLab

Rig Wheels Passport

Glidecam

Ritter Battery

rebotnix Technologies

CineTape

Abel Cine

Paralinx LLC

The Slider

Zylight

Broadcast Solutions Inc

Willys Widgets

Visual Products

Tai Audio

Pro 8mm

Aerial Filmworks