Leica iiig and Summitar

5 Frames with a Leica iiig, Summitar and FP4+ at 400asa

By Geoff Chaplin

I have written about the Leica iiig in the context of other Leicas here. Briefly summarising these are the key differences compared to the M3 for me:

Advantages

Smaller and lighter – not by much but it makes a difference.
The lever around the rewind knob allows me to adjust rangefinder focus whether I am wearing distance glasses, reading glasses or going commando.
A totally stupid reason but it looks more impressive with all the levers and knobs than the M3.

Leica iiig and Summitar
Leica iiig and Summitar: lens extended. Note the lever next to the rewind knob (right).
Leica iiig and Summitar
Leica iiig and Summitar: lens collapsed. The lens has a Chinese-made adapter to take standard 39mm screw-in filters.

Disadvantages

The major one is you are stuck with LTM (screw mount) lenses.

Of course there are other differences that may matter to or bother you more – the main one being loading. The recommended method (not the risky one mentioned by Hamish in his otherwise excellent in-depth review) is as follows:

  1. Trim the leader. Between the 13th and 14th hole on the already shortened side of the film cut a gentle curve extending the length of the narrow part of the leader. Make sure there are no jagged edges – these can get caught and tear. Insert the film into the take-up spool making sure the film extends perpendicular to the spool.
  2. Load the film into the camera. Put the lens cap on. Gently rewind the film to take up the slack. Fire three or four shots making sure the take-up spool is turning evenly. If it isn’t turning after several shots then it hasn’t caught on the sprockets and you need to retry loading. Be aware that the process of inserting the film into the camera if not done evenly for both spool and film can mis-align the leader so that it misses the sprockets.
  3. If all is well turn the rewind lever and gently rewind the film until you feel the tension of the film in the take-up spool. Then turn the rewind lever back to ‘advance’, reset the frame counter to minus one and off you go. Generally I get 38 – 40 frames depending on film.
Leica iiig and Summitar
Trimmed leader inserted into the take-up spool ready for loading

Once you’ve done it a couple of times it no longer seems so much of a hassle – just a minor one.

Lens

The Summitar comes in several versions – mine is the 10 bladed coated version from circa 1950. Although I shot with the Summitar on this occasion my favourite lens for the iiig is the f3.5 Elmar – the lens extends little more than the depth of the lens cap once collapsed making the camera pocket-able.

Film and development

Some years ago I compared FP4+ at 125asa vs 400asa with side by side shots using two cameras. I could find no difference in recorded dynamic range or image quality. Of course this was to some extent a function of the “normal contrast” images I was taking at the time. This time it is fair to say low-light image detail was lost in high contrast scenes.

The film was developed in Rodinal 1:24 for 20 minutes at 20degC.

Images were scanned on a Sony A7Riii with a Sigma 105mm lens at f5.6. No image processing was performed other than setting the black point and a straight line contrast curve to the white point.

Images

Leica iiig and Summitar
This is what I was aiming for – silhouettes with foreground correctly exposed.  Note the flare around the highlights caused by slight haze in the lens.
Leica iiig and Summitar
Mid-tones are where FP4+ excels – and mid-tones will remain intact for plus or minus development.
Leica iiig and Summitar
Sushi restaurant at night
Leica iiig and Summitar
Rickshaw and strongman (left)
Leica iiig and Summitar
Restaurant lanterns

 

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About The Author

By Geoff Chaplin
Primarily a user of Leica film cameras and 8x10 for the past 30 years, recently a mix of film and digital. Interests are concept and series based art work. Professionally trained in astronomical photography, a scientist and mathematician.
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Comments

David Hume on 5 Frames with a Leica iiig, Summitar and FP4+ at 400asa

Comment posted: 30/11/2025

Thanks Geoff - I appreciate this knowledgable and thoughtful information about a camera of which I have no experience, but in which my own interest grows. Certainly I feel myself drawn more to these than to an M. (Maybe partly because my extreme left-eye dominance makes an M less attractive?) I also think your point about a seemingly small difference in physical size making a significant overall difference is sometimes overlooked - especially when lens and body sizes combine. Cheers.
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Geoff Chaplin replied:

Comment posted: 30/11/2025

Thanks David. A friend of mine is left eye dominant and the M is an obvious problem for him. The viewfinder position on the iiig should suit much better, the rangefinder position will still be difficult but better than the M.

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Marco Andrés on 5 Frames with a Leica iiig, Summitar and FP4+ at 400asa

Comment posted: 30/11/2025

To save yourself the aggravation of hand trimming the leader using Hamish’s complete instructions, use a template to trim. In the past photographers used a template called the Leica Ablon. Just do a web search for more info.

Here’s an image of one made in Italy:
https://luf-jnet.b-cdn.net/uploads/monthly_2019_02/IMG_2712.jpg.fae87ba5ed23d62ef397d09739378000.jpg

There are many versions:
https://rangefinderforum.com/threads/leitz-ablon-versions.22239/

Today you can 3d print one or make one by hand.

3d printing
Comes in two parts for sandwiching 135 film with space for a wire to join the pieces together through the hinge
https://www.stlfinder.com/model/leica-ablon-style-film-leader-trimming-guide-de0zX8gP/1668745

Lomography has instructions on making a template by hand « Snip It Good: A DIY Film Leader Trimmer »
https://www.lomography.com/magazine/258701-snip-it-good-a-diy-film-leader-trimmer

Had a different experience with a iiig. Bought one years ago, Returned it since it had defects. Also just did not bond - usability issues: trimming the leader and it had that gnarly metal advance knob– not the standard lever or a thumbwheel advance like the Olympus Pen and Pen S. 3d printing could address the issue.
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Geoff Chaplin replied:

Comment posted: 30/11/2025

Thanks Marco for the links. Of course I'm aware of the template - now much cheaper since 3d printing came in. I don't find hand trimming too much of a hassle so I'll probably stick to my scissors. Shame about your iiig, they are generally in much better condidion than the earlier Barnacks. But as you imply they are an older design, knobs and wheels not levers and automation of frame counter.

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Curtis Heikkinen on 5 Frames with a Leica iiig, Summitar and FP4+ at 400asa

Comment posted: 30/11/2025

Very well done! Most informative. As always, wonderful images. Thanks for posting this. I love my iiia but this model looks very nice as well.
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Geoff Chaplin replied:

Comment posted: 30/11/2025

Thanks Curtis. If you enjoy your iiia switching to a g is probably not worth it.

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Eric Norris on 5 Frames with a Leica iiig, Summitar and FP4+ at 400asa

Comment posted: 30/11/2025

Thank you1 I'm inspired to load a roll of film in my iiiG and take it out in the world.
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Geoff Chaplin replied:

Comment posted: 30/11/2025

Well eorth doing, lovely cameras. Thanks Eric.

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Gary Smith on 5 Frames with a Leica iiig, Summitar and FP4+ at 400asa

Comment posted: 30/11/2025

I agree that the whole trimming thing is a minor pain but you get used to it. I just use an X-acto knife. My iiic was my first Leica with the 50/2 collapsable Summicron.

I really like your last shot "Restaurant Lanterns".

Thanks Geoff!
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Geoff Chaplin replied:

Comment posted: 30/11/2025

Thanks again Gary. I agree - one of my top teo from the roll.

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Ronen on 5 Frames with a Leica iiig, Summitar and FP4+ at 400asa

Comment posted: 30/11/2025

Interesting post.

״This time it is fair to say low-light image detail was lost in high contrast scenes.״

The question is what will be the result in ID11, DDX or Rollei Supergrain. Rodinal is a tough guy. Love it or Leave it
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Geoff Chaplin replied:

Comment posted: 30/11/2025

I'll leave you to answer that question. I'd use a two bath compensating developer like D2D or Thornton's if I was serious about capturing high snd lowlights.

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Tony Warren on 5 Frames with a Leica iiig, Summitar and FP4+ at 400asa

Comment posted: 01/12/2025

Nice shots Geoff and a very interesting look at a camera I have often admired but have always been put off by the intricate loading requirements of these kinds of camera. The lens is no slouch either.
I use FP4+ and Rodinal often and I have found 1:50 is my preferred dilution for a good tone range.
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Geoff Chaplin replied:

Comment posted: 01/12/2025

Thanks Tony. I generally prefer semi-stand development at 100:1 but I was in a hurry this time. A lot of the attraction of the camera is its appearance and history, and is especially compact with the 3.5 Elmar. Worth having a nice one just to admire, pet, and use occasionally or as lightweight backup.

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Scott Ferguson on 5 Frames with a Leica iiig, Summitar and FP4+ at 400asa

Comment posted: 01/12/2025

Hey Geoff,
These are terrific shots. This makes me want to revisit FP4, which I tried out in my big B&W project of the spring/summer but maybe lost in the shuffle of all the other stocks I was looking at around the same time. I am a huge fan of the Summitar, which has been the main lens I use on my M3 since I bought it last December, even over much more heralded better known and much more expensive lenses in my collection. I think it has a really interesting mix of vivid color and contrast that feel pretty contemporary with enough personality to feel timeless/'lost photo', particularly when wide open. I'm seeing a lot of the people I like and respect enjoying shooting with Barnacks enough that it has rekindled my curiosity about those cameras -- I tried out a iiif at the same time I bought the Summitar, which I initially bought to test out the camera, but ended up keeping the lens and returning the camera. The combination of the tiny viewfinder and the fiddly film carriage soured me on the camera, despite loving the 'idea' of a Barnack as well as the looks. I lost more or less an entire roll to some kind of malfunction in the frame advance function. I think I did okay trimming the film, but may have missed a step in backwinding after the film was loaded onto the spools to get the correct tension. I haven't had those kinds of problems with the M3 and it's nice to be able to use both M mount and LTM with an adapter to get the best of both worlds optically, but who knows, maybe some day I'll revisit the Barnack era.
Best,
s
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Geoff Chaplin replied:

Comment posted: 01/12/2025

Many thanks Scott. FP4 is my favourite film, enough grain but not too much, tremendous flexibility especially if you use divided development, great tonal representation. I agree about the flexibility of the m mount, huge range of lenses modern and vintage.

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James Evidon on 5 Frames with a Leica iiig, Summitar and FP4+ at 400asa

Comment posted: 01/12/2025

As I commented on previous reviews of the venerable IIIG, they'll have to bury mine with me. For all of its vintage quirks, it is really a very nice camera to use. I read somewhere that someone loaded his without re-trimming the film leader and had no problems. Responding comments are welcome. I haven't had the nerve to try it. One more thing. It is such a smooth operator that I don't grip the winding knob to advance the film. I just roll my index finger across the winding knob and it advances the film with little effort. I also have a Leicavit rapid winder, but I on't use it because the technique of rolling the finger across the wind knob is so effortless. IMO, in many ways, the Leica M was not an advance over the IIIG except for the VF/RF.
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Geoff Chaplin replied:

Comment posted: 01/12/2025

Thanks James. I tried loading once without trimming snd simply couldn't get the film through, probably depends of the specific camera but generally I've read it's not possible without risky practices as described by Hamish. Barnack to M is pluses and minuses, take your pick.

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