3 Days in “Our Town” with a Retina IIa, T-Max 100, Wratten 23A and Caffenol

By Dave Powell

In October 2022, Kate and I decided to spend a long Columbus Day weekend in Peterborough, New Hampshire. There, for more than 25 years, Monadnock Art has organized free tours of artist studios throughout the area. And we decided to spend that lovely fall weekend viewing (and maybe buying) some art.

It went well. We bought a pencil drawing and abstract painting. And I tested my Retina IIa with T-Max 100 film shot through a fairly unusual Wratten 23A filter… and later developed in Caffenol. NOTE: You can see my entire Go Kit here!

“Our Town”?

If you don’t live in New England, you may not know that Peterborough was the purported model for “Grover’s Corners” in Thornton Wilder’s 1938 play “Our Town.”

It’s partially true. According to the “Our Town” Wiki page, Wilder began scribbling notes about the play in 1930s Chicago. He continued working his script during a 1937 stay at Peterborough’s prestigious MacDowell Colony (the oldest arts colony in the country). And Wilder more or less finished the script in Germany. But to see Peterborough’s influence on the finished product, just stroll through the town cemetery, where you can spot some familiar Grover’s-Corners names.

Wratten 23A?

Kodak’s 91-page booklet “Kodak Filters for Scientific and Technical Uses” lists the Wratten 23A as one of the “50 carefully selected filters that should meet most of the requirements for experiments or demonstrations in the laboratory.” It adds that the 23A is “a light red contrast filter with greater green absorption than No. 21 or 22. Suitable for two-color projection and special effects in black-and-white motion-picture work.” On the other hand, Kodak’s booklet “Workshop Series: Using Filters” pretty much ignores the 23A altogether.

The filter’s transmission spectrum is nearly identical with the Wratten 21 and 22. But the 23A’s begins very slightly closer to 600 nanometers. And between 600 and 900 nanometers, it passes very slightly less light. When shooting black-and-white film in daylight, Kodak recommended increasing exposure times by a factor of 6 or apertures by nearly 3 stops. (Tiffen, though, suggests a 4X filter factor or 2-stop exposure increase.)

But to me, the 23A just looks rosy orange! I expected it to increase image contrast more than an orange filter and less than a red. Perhaps it would also lighten foliage a little and darken blue tones… for cloud enhancement similar to IR-bandpass filters.  And since the 23A doesn’t seem to be used much in B/W photography, I simply wanted to see how the T-Max negs would look! They were the second film I developed in Caffenol (with Tri-X 400 being the first). As it turns out, the negs came out pretty darned well.

Some “Our Town” Scenes

On this visit, I didn’t photograph Peterborough’s charming commercial center. Instead, I looked for scenes that reflected its old New England “Our Town” character. Since quite a few studio visits were on our agenda, I shot these photos “on-the-run.” The Retina IIa is a great little camera for that!

Peterborough had already held its annual “OurTownTrot 5K RunWalk.” And they aren’t shy about their theatrical connection:

OurTownTrot sign

Peterborough’s smack dab on the Contoocook River (photo shot from the municipal parking lot):

Contoocook River from municipal parking lot

You’ll find classic mill-town scenes here:

Mill building 1 Mill building 2

And as in the play, a fair share of arctypical New England churches:

A typical New England church

If you decide to visit the annual Art Tour, begin at the Monadnock Center’s sampling of works from participating artists. (Sorry about the sun flare on the filter!):

Main Monadnock Center building

And if it’s open for visitors, one artist’s locally famous home and studio is a work unto itself. Dug into the earth, here’s its adobe-style front entrance:

Artist's house front entrance

And here’s its rear patio (wonder who mows the roof)!:

Artist's house rear patio

Despite outward appearances, the place is airy and roomy inside. (I tried shooting interiors with the Retina, but they came out way too dark.)

An Interesting Look

Overall, I liked the images. They’re pretty contrasty, but not as heavily so as one might expect from red filtration. The foliage in the river shot did seem to be lightened, when compared with its reflection in the water. And there was some IR-like cloud enhancement in a couple shots.

I also think the Caffenol development worked better with my fresher T-Max 100 than the decades-expired Tri-X 400 I tried before.

Next time, though, I should run a more scientific test– pitting the 23A against Wratten 21, 22 and 25 filters… and no filtration.

–Dave Powell is a Westford, Mass. writer and avid amateur photographer.

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About The Author

By Dave Powell
Trained in mathematics, physics, cosmology, computer programming and science journalism. Retired mathematician, award-winning technical and journalistic writer. 1989 winner of the Bruce B. Howat Award-- an international business-journalism equivalent of the Pulitzer Prize. (Only one Howat was awarded each year, IF the committee in Geneva found an article they really liked. But I don't think the prize is granted anymore.) Also a past author and editorial advisor for Sesame Street... where I regularly worked with Jim Henson and Kermit!
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Comments

MICHAEL on 3 Days in “Our Town” with a Retina IIa, T-Max 100, Wratten 23A and Caffenol

Comment posted: 07/06/2023

Looks like the Polaroid 546 orange filter I use.
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Dave Powell replied:

Comment posted: 07/06/2023

Hi Michael, Though I worked at Polaroid during the two years before it declared bankruptcy, I never encountered the 546 filter. Looking it up online, I agree. And a couple technical sites refer to it as a "cloud filter." So it probably would darken skies and enhance clouds like the 23A.

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Sam Forrest on 3 Days in “Our Town” with a Retina IIa, T-Max 100, Wratten 23A and Caffenol

Comment posted: 07/06/2023

The data you shared about that filter is very interesting. I frequently use a Lee 23A resin filter for landscape work and I love the results. You don't quite get those black, brooding skies like with a deep red, but I've found I like the separation it gives between the sky and the reddish-orange sandstone that is so common where I live in Arizona. I use the 4x filter factor that Lee suggests, and I've unscientifically tested it by holding it up in front of my Minolta XD-11 and watching the LEDs jump 2 stops..
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Dave Powell replied:

Comment posted: 07/06/2023

That's also very interesting info, Sam, about its separation of skies and red sandstone. I wish it was possible for you to include a sample image in your comment... but don't think it is!

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Sam Forrest replied:

Comment posted: 07/06/2023

I wish it was too! Maybe you'll see some examples in a future post...

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Dave Powell replied:

Comment posted: 07/06/2023

Please!

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Roman Dubravský on 3 Days in “Our Town” with a Retina IIa, T-Max 100, Wratten 23A and Caffenol

Comment posted: 07/06/2023

Interesting match! I'm reading this article while I'm scanning a film shot by my Retina IIa.
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Dave Powell replied:

Comment posted: 07/06/2023

Wonderful, Roman! Maybe an article there?

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Fred Nelson on 3 Days in “Our Town” with a Retina IIa, T-Max 100, Wratten 23A and Caffenol

Comment posted: 07/06/2023

thank you! Very nice pictures!
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Dave Powell replied:

Comment posted: 07/06/2023

You are so welcome Fred... glad you enjoyed them!

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Julian Tanase on 3 Days in “Our Town” with a Retina IIa, T-Max 100, Wratten 23A and Caffenol

Comment posted: 07/06/2023

Nice photographs from a camera dear to me, I do like the 1st, 2nd and 4th, really nice framing and subjects too. The filter is less dense that I would've thought, never tried it though. Thank you for sharing !
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Dave Powell replied:

Comment posted: 07/06/2023

You're welcome, Julian! I didn't expect to like the 1st photo as much as I do. It came out so clear and sharp... considering that I developed it in Caffenol. And the Retina is a truly delightful camera to carry and use. I don't think Kodak made anything better... though that's, of course, debatable!

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