Do all 90 mm large format lenses need center filters

[bascom49]

I'm planning on buying a 90mm lens for my 4x5. Are there lenses that have less fall off to the edges than others ?
Thanks
Charles

 

[Richard S. (rich815)]

Maybe I'm missing something but the ones with a larger image circle will have less light fall off potential than ones with smaller...

This chart should help:

Dead Link Removed

 

[Ian Grant]

Simple answer - No maybe if used on a 7x5 or Half plate camera.

I've used 90mm lenses, Angulons, Super Angulon, Grandagon, on my 5x4 cameras for over 30 years with no issues colour (E6) and B&W, I don't use a center filter with my 65mm or 75mm lenses but here they would be needed for E6 I can dodge with B&W but plan to get one sometime soon.

Ian

 

[Jim Jones]

Like Ian I never use center filters with lenses down to 65mm, but do any really necessary adjustments during printing or digital processing.

 

[Sirius Glass]

Like Ian I never use center filters with lenses down to 65mm, but do any really necessary adjustments during printing or digital processing.

I never used a center filter on 90mm lenses for 4"x5" photography.

 

[250swb]

With any decent usable 90mm lens they don't need any sort of filter. A 90mm Angulon or Super Angulon is fine.

Steve

 

[David A. Goldfarb]

I have one and use it occasionally, more if I'm shooting color transparency. It's subjective. Falloff can be a compositional element.

 

[ic-racer]

It depends on the rear nodal point. Most modern construction lenses will be similar. He is using it on 4x5 so image circle has no effect on angle view for that format.

 

[DREW WILEY]

All of them have significant illumination falloff. The question is, will this be a problem for you? With color film, especially chromes, the effect can get pronounced due to sheer contrast; in color negs due to potential color shift due to underexposure at the corners of the field. And you CAN"T really correct something that's not there to begin with. Or at least it's far easier to do the correction via a center filter at the actual
time of exposure. In black and white photography, some people like darkened corners on certain images, others might not. It's a creative
choice. But you can't always rely on simply dodging corners in the print to salvage shadow detail that are typically a full stop and a half off.
Just depends.