Moire on film?

[Kenj8246]

I posted this here because I think it's my scanner/software/poor technique that produced it. Image taken with a Fuji GA645 and Portra 400 film. Scanner is Epson V600 using the oem holder, software is VueScan.


GA645-Portra400 8 by kenj8246, on Flickr

Any idea what caused this? I don't know if it's moire but it sure looks like it.

Kenny

 

[Greyscale]

That is a Newton's Ring. Usually caused by the negative touching the glass while scanning.

 

[DamenS]

Yep - definitely a Newton Ring. "Wet Mounting" the negative can help with this problem.

 

[Kenj8246]

Ahh, it seems some film dries flatter than others. Portra cups noticeably. Thanks. I'll have to let my negs lie flat for a while.

Kenny

 

[MarcoVenturiniAutier]

One reason I am now switching to Fujichrome is that I have never seen the rings, while with Portra I often do.
I used the glass holder for my Coolscan. The glass is supposedly "anti newton" however I do often see the rings with the Portra.

 

[Kenj8246]

Yeah, the Portra always seems to dry with a cup in it. Which seems odd to me since Tmax films dry almost flat. I guess it could be something about the temps of the developers. Go figure.

 

[wblynch]

Scan with the emulsion down and flip the photo in PS You won't get those newton rings anymore.

 

[Kenj8246]

Well, that's good except I did. No matter which way I turned the neg. I've figured out what to do about it, though.

 

[Terry Christian]

Another suggestion is to put on your negative-handling gloves and gently roll the film inside out, and keep it that way for about an hour. When you unroll it, it will lie flatter.

 

[Rangefinder 35]

The way I got rid of the curl, when I worked at a lab was to put a shallow dish filled with water in the film drier. that way film dried slower and it eliminated the curl in most cases.

 

[Mackinaw]

Depending on the type of scanner you use, you can buy a special negative holder that uses "anti-newton ring glass" to hold the negative. It will totally eliminate the rings. I use this:

http://www.betterscanning.com/scanning/insert.html

Jim B.

 

[Kenj8246]

Bought the betterscanning.com template and ANR glass for my Epson V600. I haven't done any side-by-sides with the OEM Epson template but can say, enthusiastically, that I like the betterscanning template: it allows me to get the negative in and the glass down and the whole schmeer on the flatbed in LOTS less time than the OEM template.

I cut my 6X9 three frames to the strip which means I have to flip the strip end for end once to get all three scanned but it's not an onerous thing to do given the ease of mounting.

Needless to say, I'm a happy camper.

Kenny