Jump to content


Photo

Vignetting with zoom lenses


  • Please log in to reply
2 replies to this topic

#1 Christopher Santucci

Christopher Santucci
  • Basic Members
  • PipPipPip
  • 124 posts
  • Cinematographer
  • Buffalo, New York

Posted 24 December 2009 - 10:19 PM

I've noticed with certain zoom lenses there is vignetting as the lens reaches the far end of the focal range when shooting wide open. I used to think this was inherent in cheaper zoom lenses but I notice it happening with a nice Super Wide Fujinon I used recently on an HDX900.

Is there a name for this kind of vignetting which appears to be caused (I guess) by some design limitation within the optics of the lens? I've never noticed this happening with zoom lenses on film cameras, only tape cameras.

.
  • 0

#2 Tom Jensen

Tom Jensen
  • Basic Members
  • PipPipPipPip
  • 1234 posts
  • Camera Operator
  • Dallas, TX

Posted 24 December 2009 - 11:55 PM

The simple answer is yes, it is a design limitation. Have you ever noticed that zoom lenses are slower than primes? The stop may be a 4 or a 5.6 but if you could open it up all the way to a 2, the vignetting would be even greater through the zoom range. They are stopped down or slow so there is no vignetting through the range as you zoom. I don't recall if there is a specific name for the vignetting.
  • 0

#3 Christopher Santucci

Christopher Santucci
  • Basic Members
  • PipPipPip
  • 124 posts
  • Cinematographer
  • Buffalo, New York

Posted 25 December 2009 - 01:23 PM

The simple answer is yes, it is a design limitation. Have you ever noticed that zoom lenses are slower than primes? The stop may be a 4 or a 5.6 but if you could open it up all the way to a 2, the vignetting would be even greater through the zoom range. They are stopped down or slow so there is no vignetting through the range as you zoom. I don't recall if there is a specific name for the vignetting.



Yeah, certainly I've noticed zooms are generally slower than primes. I suppose having a fast zoom comes with a price (and shooting with a fast zoom wide open).

.
  • 0


Rig Wheels Passport

Media Blackout - Custom Cables and AKS

Glidecam

The Slider

Wooden Camera

Visual Products

Paralinx LLC

CineTape

CineLab

Willys Widgets

Opal

Broadcast Solutions Inc

Metropolis Post

Abel Cine

FJS International, LLC

Technodolly

Gamma Ray Digital Inc

rebotnix Technologies

Aerial Filmworks

Ritter Battery

Tai Audio

The Slider

CineTape

Abel Cine

Willys Widgets

CineLab

rebotnix Technologies

Wooden Camera

Metropolis Post

Opal

Rig Wheels Passport

FJS International, LLC

Aerial Filmworks

Gamma Ray Digital Inc

Ritter Battery

Paralinx LLC

Media Blackout - Custom Cables and AKS

Technodolly

Broadcast Solutions Inc

Visual Products

Tai Audio

Glidecam