Personal Musing On Monochrome Digital Cameras

By Andrea Monti

I was thinking of exploring the world of black-and-white digital photography so I started looking into the available options. Currently, only the Leica Monochrom and the Pentax K-3 III Monochrom are still the only native monochrome digital cameras availble, targeting photographers interested in maximising the potential for ‘true’ black-and-white photography compared to converted colour images.

Many experts in the field justify the existence of this particular camera by citing the same manufacturers’ marketing claims, such as better overall image quality and the superior performance of a custom-built sensor. However, I am a photographer, not an electronics engineer or software programmer, so I care more about the final results than the technicalities. This is why I have converted a few colour photos taken over the years with different cameras and lenses to black and white, to see if the results are actually so inferior as to justify the use of a dedicated camera.

1 – A few examples

The featured image was taken with a Canon 5D Mark II and an EF 24-105 f/4 lens, which is an excellent all-rounder.

Canon 5D Mark II – Canon EF 24-105 F/4

This was taken with a Pentax K-1 and a Pentax FA 80-200 F/2,8. You may see the original in this post previously published by 35mm.com.

Pentax K-1, Pentax FA 80-200 F/2,8

Back to the Canon 5D Mark II, this time with a Canon EF 100-400 F/4,5-5,6. This is a portrait of a Flamenco bailaor taken in a concert of Livio Gianola, the supremo of 8-strings classical guitar.

Canon 5D Mark II – Canon EF 100-400 F/4,5-5,6

while this one was shot during an MMA fight.

Canon 5D Mark II, Canon EF 100-400 F/4,5-5,6

This one was taken with a Fuji X-T4 and a Fujinon XF 18-120 F/4 during a handball match between Italy and Belgium.

Fuji X-T4 – Fujinon XF 18-120 F/4

and this one, portraying Jazz guitarist Rocco Zifarelli (then playing with Gabriela Sinagra, Danny Gottlieb and Jeff Berlin) was taken  with a Leica M9 and a Leica Elmarit 90 F/2,8

Leica M9 – Leica Elmarit 90 F/2,8

2 – The Conversion Process

The conversion was made with Pixelmator Pro, following these steps (the values are a starting point, and must be adapted to the specific photo):

1 – Before the conversion

In the Selective Colours tab I left the Hue unchanged, and tweaked Saturation and Brightness as follows:

  • R -10, -15
  • O +5, +10
  • Y -10, -15
  • G -10, -20
  • C -20, -25
  • B -25, -25
  • V -15, -15
  • M -10, -10

2 – Black and White Adjustment

In the Black & White tab, set:

  • R 65%
  • G 45%
  • B 25%
  • T 10%
  • I 100%

3 – Curves

Pixelmator Pro doesn’t allow to insert specific In-Out values by hand so working the curves with the mouse maybe challenging. That said, handle the RGB curve so to tame the highlits and smooth the shadows transition.

4 – Sharpen

  • Radius 0,6
  • Amount 45%

5 – Vignette

Adjusting the Vignette option can help to separate the foreground from the background if the former has brighter tones.

6 – Other tweaks

Finally, try setting the global saturation to zero and adjusting the exposure, highlights, shadows, contrast, black point, texture and clarity as appropriate.

3 – Conclusions

Post-processing photographs taken with various cameras and lenses in different conditions properly allows for consistent results. The black-and-white versions of properly taken colour photographs are of excellent quality. Therefore, but this is just me, there is no point in purchasing a dedicated camera.

For the sake of clarity, the issue is not cost, but effectiveness. If a tool is necessary for work, there are no questions — it must be purchased. However, if this tool does not add a significant value to the existing setup, then it is not necessary to purchase it.

 

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About The Author

By Andrea Monti
My name is Andrea Monti. I’m an Italian free-lance journalist, photographer and – in my spare time – an hi-tech lawyer. The works I am more proud of are covering live jazz, pop and rock concerts for an Italian online music magazine and Opera and prose for a 200 years-old theatre. I also do sport photography mainly in athletics and fighting disciplines. You may find out more about me on https://andrea.monti.photography
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Comments

Geoff Chaplin on Personal Musing On Monochrome Digital Cameras

Comment posted: 21/09/2025

I guess this is something most of us who shoot B&W have wondered about. The closest I have come so far to any sort of test is my recent "Underground" series where A7Riii images were cast to B&W simply by desaturation (in RawTherapee). In other case where I have converted digital to B&W I have adjusted colours on a case by case basis (often but not always using the preset filters) to produce what I wanted. The adjustments you quoted above are the same for all scenes and camera you were using - I guess I would be seeking scene dependent rather than a preset adjustment. Yours are all "people" pictures so I guess geared to flesh tones.

Very interesting and a much appreciated and useful post. Thanks very much Andrea.
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Geoff Chaplin replied:

Comment posted: 21/09/2025

Re-reading I've just noticed your sentence "the values are a starting point, and must be adapted to the specific photo".

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Jonathan Leavitt on Personal Musing On Monochrome Digital Cameras

Comment posted: 21/09/2025

I faced the same question several years ago and came to the opposite conclusion. The difference is at least two stops of dynamic range. To oversimplify the reasoning, the color filters on the pixels of a color camera subtract perhaps a stop of light, and a monochrome camera has larger pixels, only one pixel where a color camera will have four. Digital cameras do not actually have variable ISO, they have dynamic range plus "gain". I learned this when I noticed that for every stop you increase the ISO, the camera "loses" a stop of dynamic range. So in daylight at reasonable ISOs the color camera is every bit as good. The virtues of a Monochrom only emerge in dark bars and streetlight. It is as good at 6400 ISO as the color camera at 1600. By starlight it is positively supernatural. It found the comet Tsuchinshan-ATLAS when I couldn't see it with the naked eye. So it is truly the camera for that "person who has everything".
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Russ Rosener replied:

Comment posted: 21/09/2025

Most digital sensors have extended ability to record the near red and infrared range. That is likely why your M Monochrom found the comet which was invisible to the naked eye. I will have to do some research about the sensor array on the Monochrom. It's a fantastic concept camera!

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Ibraar Hussain replied:

Comment posted: 21/09/2025

“ they have dynamic range plus "gain" 100% The gain creates the noise Well put

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Simon Casson on Personal Musing On Monochrome Digital Cameras

Comment posted: 21/09/2025

Thanks for the article.
I have my Leica SL set up as a ‘mock Monochrom’. Viewfinder and rear screen set to mono. It’s great to see in mono when shooting. No doubt other cameras also allow this.
Of course I could take the raw file back to colour when processing but it’s rare I do!
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Bob Janes on Personal Musing On Monochrome Digital Cameras

Comment posted: 21/09/2025

While it should be acknowledged that an unfiltered sensor is going to read more photons, noise is not a huge issue with modern sensors even at silly ISO values - for me the ability to apply 'filters' in post is quite valuable - its an extra bit of information that can only be stored with a colour capture.
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Len Metcalf on Personal Musing On Monochrome Digital Cameras

Comment posted: 21/09/2025

I find I prefer my own colour conversion mix rather than the fixed one. I can get a much more subtle mix that suits me better than the monochrome camera. I have tried both extensively. I do love the monochrome M11M but I did struggle with it too. But in the end I sold it. And now use a colour sensor and then convert.
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Andrea Monti replied:

Comment posted: 21/09/2025

Similar path :)

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Greg Hammond on Personal Musing On Monochrome Digital Cameras

Comment posted: 21/09/2025

Thanks for posting this. Interesting. I’m going to apply some of your methodology to my next conversions. I’m not trying to be a smarta$$, but you left out at least one camera: the Phase One Achromatic. I no longer own mine, an IQ3-100 at the time, but when I did, I shot it side-by-side with my standard IQ3-100. I didn’t do any sort of rigorous comparison between the two, but to my eye, the Achromatic produced better B&W tones than did *typical* conversions out of my color IQ3. But the differences were not “better enough” for me to keep it when I moved to the IQ4. My sense was likewise with my Leica Q2M. I went into both wanting to believe the marketing hype (of course I completely accept the engineering differences), but I did not see in my work sufficient difference to matter. Now, when I want to shoot digital B&W intentionally or as a composition tool, I simply switch the LCD profile.
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Andrea Monti replied:

Comment posted: 21/09/2025

Greg, I hear you. My personal approach is to care about photos, not gear. If a tool gives me results I found good, there is no reason to spend money for an increase of quality unless this is absolutely necessary (although 'necessity' is a very subjective category:))

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Art Meripol on Personal Musing On Monochrome Digital Cameras

Comment posted: 21/09/2025

Thank you for trying to answer this question. Like others I have wondered the same thing. I've read about how the files from the monochrome cameras are superior and I know about their sensors but I've never seen a photo that made me think I have to have one. I've converted a lot of color shots into B&W and had great results...at least with the shots that really lend themselves to that treatment. But if someone wanted to give me a Leica Monochrome I'd be more than willing to give it some exercise.
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David Kieltyka on Personal Musing On Monochrome Digital Cameras

Comment posted: 21/09/2025

I bought a Leica M10 Mono in 2020 as a 60th birthday present to myself. I like being able to use all my b&w filters again. I also like the constraint of b&w only: no "well, this one works better in color so…" cop outs. ☺️ Photos taken at higher ISOs are indeed cleaner. I use ISO 25000 with the same lack of concern as using ISO 3200 on a 2020s Bayer-filtered camera.

As for image quality, I'd say differences between the M10-M and the "regular" M10-R (same 40mp sensor but with the Bayer stuff) converted to b&w are minimal. It's the b&w mindset the M10-M puts me in. Give me options and I'll explore all of 'em. Take options away and I can concentrate better. YMMV.

I still shoot b&w film too.
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Gary Smith on Personal Musing On Monochrome Digital Cameras

Comment posted: 21/09/2025

I wonder if the desire for a dedicated monochrome camera is just another form of G.A.S.

I have used both the desaturate method as well as selecting b&w and then adjusting individual sliders. Sometimes I'll even set the camera's scene mode to b&w so I get a b&w EVF and b&w jpg's (I still get color raw's). I like the slider adjustment best as I get the most flexibility in the tonal range of the final image.

Your example images are great, I really like #1 and #3.
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Hamish Gill on Personal Musing On Monochrome Digital Cameras

Comment posted: 21/09/2025

I loved my monochrom Leica - https://www.35mmc.com/04/02/2018/leica-monochrom-review/
I couldn't afford to keep it in the end, but did like the limitations of the files
Since then, I have found that really I only shoot digital b&w when I set the camera to b&w - I don't like converting in post unless I have done.
THe Nikon Zf has a b&w switch - it just sets it to b&w shooting as can be done by setting the colour settings, but having it on a switch brings a level of purpose and intent that works for me
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Andrea Monti replied:

Comment posted: 21/09/2025

The Pentax K-1 also has a B&W profile but it doesn't actually physically affects the way the sensor captures the light: in fact, you get a B&W DNG only with the SilkyPix custom version, since other RAW processor will show the photo in colours. From my D750 days I remember that Nikon did something similar with Capture NX, but I may be wrong.

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Tony Warren on Personal Musing On Monochrome Digital Cameras

Comment posted: 21/09/2025

An interesting article Andrea. You mention a monochrome sensor will have larger photo sites than colour because the Bayer array is omitted. I have been wondering if setting a colour sensor to mono engages all four of the pixels in the Bayer groups as one which seems to be the case. This could mean that there is very little difference between the two types of camera as David Tielkyta says. But, as you say here, the results are what matter, especially for a pro, so whatever does the job I guess.
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David Kieltyka replied:

Comment posted: 21/09/2025

A mono-only sensor's photosites are the same size as they'd be if the sensor was fitted with a Bayer array. They are more sensitive to light, though, as there are no RGB filters getting in the way. I don't know of any camera that does a 4-to-1 photosite reduction/combination when used in b&w mode. If you're shooting monochrome Jpegs your camera will do its usual demosaicing and other processing of the sensor data, then convert the result of that to mono.

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Jeffery Luhn on Personal Musing On Monochrome Digital Cameras

Comment posted: 23/09/2025

Nice B&W shots, Andrea.
I got to borrow a monochrome Leica for an hour about five years ago and I liked it. It belonged to a student of mine who has endless cash and no self-control, so he bought that camera, and many others, without hesitation. He'll remain unnamed in this posting, but he is one of the regular citizens that's been in space on a private ship. Anyway, the lighting conditions on the day I shot with that camera were going between bright and cloudy, so I never got to appreciate the low light capability, but the dynamic range was impressive. For a working class guy like myself, I just shoot in RAW on a full frame sensor and get what I want in post, including faux IR looks. There's no justification for an expensive monochrome in what I do. I can tell you one thing about digital B&W conversions, and it pains me to say it: My digital conversions are better than 80% of my black and white film shots, even when I use medium or large format. Of course there's the joy of nailing a fine shot on film, but it's hard to beat the convenience of a good digital conversion. The one exception to that is getting good IR images. Even my IR converted D-7100 Nikon is not as good as a medium format camera shooting Rollei IR film.
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Michael Keppler on Personal Musing On Monochrome Digital Cameras

Comment posted: 23/09/2025

Without a doubt, colour images can be converted into very good black-and-white images using image editing software. And no matter what the advertising promises us, if I have a good camera, I don't need a new one. Every camera that has come out in recent years can deliver excellent results.
In my opinion, however, your experiment misses one essential point: why should I go to the trouble of editing my images digitally if I only want to take monochrome photographs?
When I take analogue photographs, I consciously decide whether to use colour or black-and-white film. This decision also changes my approach and my thinking when taking photographs – with black-and-white, I think more about light and shadow and contrasts, while with colour film I look more for beautiful colours or exciting colour contrasts. The sports photos shown, for example, might be more exciting in colour. Since I started shooting on film again, I've noticed that it makes a big difference when I have to make a decision while shooting. That's exactly where I see the advantage of a monochrome digital camera. Not in the data sheets and comparisons at 100% on the monitor, but in the process, in the approach.
When friends ask me which camera they should buy, I always recommend: go to a shop and hold the cameras in your hands. Buy a camera that you enjoy holding, that suits you, that you will enjoy using. The same applies here – if you enjoy working on a computer and converting images using software, then you should do so. If you only want to take black-and-white photos (and have the necessary spare cash...), you're probably better off with a monochrome camera or black-and-white film, and you may achieve better results with it. Not because of supposedly better technology, but because, as David has already written, of the different mindset.
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Ibraar Hussain on Personal Musing On Monochrome Digital Cameras

Comment posted: 23/09/2025

Very interesting article as usual my friend
I agree with you

My own take is that the digital darkroom work is essential - regardless of the sensor, with the photographers skill with manipulating tones to work
I think expensive monochrome cameras are just there for consumers to buy a new product
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Ibraar Hussain replied:

Comment posted: 23/09/2025

Almost every black and white Film photographers of fame such as Don Mccullin Simon marsden et al all say the exposed negative is the simple easy part - the main photography comes alive in the darkroom Of course darkroom work IS photography as you’re exposing paper to light - digital darkroom work isn’t; that’s just image manipulation - but the goal and method is approximate

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Alexandre Kreisman replied:

Comment posted: 23/09/2025

Amen! Dear Ibraar, I think the real question one needs to ask himself when contemplating to buy a dedicated Monochrom camera is : do I shoot color ? For me, I do not, thus Monochrom camera was an option when I was shooting digital and I bought an M9M, which gave me tremendous results, with the added benefit of no conversion, no loss of quality and post work like in a Darkroom. Every sensor reacts differently, and for my M9M I have to "shoot for the light". Then the shot is just wow from the camera, needing just a couple of correction to have a final result. I only shoot it now when attending a photography class, as with film, it wouldn't be possible and yet for a camera that is more now than 10 years old, it shoots flawlessly, giving me so much in BW than a color sensor transformed in BW (also 10 years old). Also, back to your point, yes a negative is just a raw material that needs to be worked on. It was true (and still is) with negatives, and is true also with digital photography. Cheers Alex

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Tim Piscitelli on Personal Musing On Monochrome Digital Cameras

Comment posted: 23/09/2025

Beautiful photos Andrea. For me though, I went the opposite direction. Despite having a Pentax K3/III color, I bought a the K3/III Monochrome. It's become one of my favorite cameras to use. The output is different than my color K3 when I convert color photos from that one to monochrome. The tonal range is definitely better and the low light capability is really the best of the cameras that I own. As much as I like the output, I would not say that the difference is a $2000 US difference.

That said, the thing that I love about the Monochrome is that I think differently when I shoot with it. When I'm out with the Monochrome, my mindset changes and I'm looking at the world in the same way I do as when I shoot film. It's hard for me to put my finger on, but maybe its that the Monochrome forces me to shoot with more intent. For me, that mindset shift was worth the extra cost of the Monochrome.

I'm sure that there's a bit of G.A.S involved, but I've never second guessed picking up the Monochrome, the way I did with the D780. Love that camera btw, but I shoot it just like I shoot my D600. The Monochrome brought something to my table beyond just being another gadget.
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Jens on Personal Musing On Monochrome Digital Cameras

Comment posted: 23/09/2025

Dear Andrea,

you are absolutely right – with digital post-processing one can create excellent black and white images from colour files. Strictly speaking, a Leica Monochrom is not a necessity for that.

However, my personal approach is rather different. Just as I enjoy shooting on film, I also like to use my Leica Monochrom whenever I want to capture a scene deliberately in black and white – for instance, Venice in November or a portrait session. For me it is essential to record the image as it is, with that specific camera, lens, light and atmosphere of the moment.

Heavy post-processing that changes the impression afterwards does not reflect my way of working. That is why, for me, there really is no alternative to the Monochrom.

At the same time, I also very much enjoy the creative possibilities of film simulations inside the camera – like with the Fuji X100V. In that case, the "processing" happens during the act of taking the picture, not afterwards, which feels equally immediate and authentic.

Best regards, Jens
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