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Mirrorless Camera Misconceptions

October 11th, 2018

A mirrorless camera, what is the point?  I’m not doubting the validity of mirrorless, its a serious question.   I love mirrorless technology and I think it’s clearly the future of camera manufacturing.  But I also think many people seem to have missed or forgotten the reason a mirrorless camera was so attractive in the first place.  Small and light… Remember that?

Mirrorless Camera Misconceptions

So you have your trusty DSLR setup with 4 reliable carefully chosen lenses, maybe a 16-35mm f2.8, or a 14-24mm f2.8… A 24-70 f2.8 and the quintessential 70-200mm f2.8.  You are prepared for just about any photo opportunity.  So you are ready to head out, you go to pick up your camera bag and…

Uggghhhh my back!  Damn that’s a heavy camera bag!  Then you start thinking… Maybe I’m not as young as I used to be when I ran up mountains carrying a 20kg camera backpack yodelling all the way…  Not yodelling exactly, and not really running either, but it didn’t seem as hard as this!

 

Mirrorless Camera MisconceptionsThe Micro 4/3 sensor mirrorless

So you start looking at these mirrorless cameras that everyone keeps talking about being so small and light.  You start with the Olympus OMD series or the Panasonic Lumix G9, they are beautifully made cameras with optically superb fast f2.8 lenses that are tiny.  The lens range is great, the cameras are well made and weather proof, they have in body stabilisation and they are small and light, what more could you want?

 

The Fuji APS-C Sensor Mirrorless

Mirrorless Camera MisconceptionsBut then someone mentions that the micro 4/3 cameras have a very small sensor… and that Fujifilm have a bigger sensor which gives you better image quality and the ability to crop your images a bit more, so you begin looking at the Fujifilm cameras with the APS-C sensor.

The Fuji cameras are also superbly made with a range of optically beautiful lenses, they have a bunch of fast zooms and lots of lovely prime lenses all pro standard, all weather sealed with amazing image quality.   They are a bit heavier than the Micro 4/3 models, but there is that bigger sensor, so it’s worth it.

 

Ahhhh… The Full Frame Mirrorless! Just Right

Mirrorless Camera MisconceptionsBut then you read on one of the camera forums that full frame is the go, that bigger sensor just can’t be beat, the quality is astounding!  You can now choose from Sony, Panasonic, Canon or Nikon, they all make full frame mirrorless now (especially after watching Sony’s sales smash the big DSLR market share) and they are all superb quality.

Sony have a huge range of lenses already, but the others will cach up soon enough, and there are always the adaptors that allow you to use a whole raft of DSLR lenses, especially if you already have them.  You can use your Full frame DSLR 16-35mm f2.8, your 24-70mm f2.8 and your 70-200mm f2.8.

 

And you are off up that mountain again…

Mirrorless Camera MisconceptionsSo you buy your new full frame mirrorless, with all the new lenses the salesman told you were the best, pack all your gear into your new lightweight backpack, your ready for anything again…  You pick up your camera bag and… Uggghhhh my back!  Damn that’s a heavy camera bag!  In fact, it feels just as heavy as the old camera bag…  Because it is.

So you save 200g of weight by spending that $4000 on your new full frame mirrorless camera body, but then you buy all the same f2.8 zoom lenses, because faster lenses are better… Right?  Your going to be pretty much back where you started, with that very heavy camera bag again!

Your wallet is a lot lighter though, and we haven’t even begun to explore medium format mirrorless yet…

Mirrorless Camera Misconceptions

Should you not buy that new camera?

Am I saying you shouldn’t buy that beautiful shiny new full frame mirrorless that Sony/Nikon/Panasonic/Canon just released?  No.  I love buying new camera gear, just ask my wife.  I’m suggesting you think about what you want to achieve a little first and don’t get caught up in the popular hype.

Three things about lens design you should know

Here are three little secrets that many photographers appear to have forgotten in the techno frenzy of new gear addiction…

  1. Bigger sensors require bigger lenses.  The fast f2.8 lenses on the Micro 4/3 cameras are small because the sensor is small and doesn’t need  such a big image circle to cover it.  A full frame 35mm sensor is twice the size of the micro 4/3 sensor so requires twice the coverage = a significantly bigger lens. Check out medium format lenses for a really clear illustration of this.
  2. Faster lenses are heavier.  Each extra stop of speed requires a substantially larger tunnel of glass to let it in twice the light.  More glass = More weight.  A full frame 24-70mm f2.8 lens weighs more than twice as much as a 24-70mm f4 lens (and cost twice as much!).
  3. A faster lens doesn’t mean a better lens.  Faster lenses have some advantages, they will focus more accurately in lower light and the extra speed can translate into faster shutter speeds or lower ISO if you need it.  Faster lenses also allow better Depth of Field control.  But it doesn’t automatically follow that faster lenses are sharper or resolve images better.

Mirrorless Camera Misconceptions

What sort of Images do you shoot?

Ask yourself what the lens is for, if you shoot landscape why do you need f2.8 lenses?  Well, you don’t.  In fact for most applications you don’t need f2.8 lenses. But I hear somebody mention low light, and faster lenses are great for low light. True, but modern sensors work very well at ISO 1600, 3200 or even 6400.

If you are a wedding photographer you can justify that 70-200 f2.8 lens, that extra stop of light makes a difference in dimly lit churches where auto focus can struggle, but it weights in at around 1.5kg and cost around $3,000!  The f4 version weighs 800g and costs about $1,600.  The f2.8 version is faster, but is it better?  It will focus quicker in lower light, but as far as resolving power, image clarity and sharpness… No.

So what mirrorless camera gear do I use?

Cambo Technical Camera and Phase One IQ3-100 digital backI have been using Sony full frame Mirrorless for quite some years now, starting with the A7r Mk I and now the A7r Mk II (I haven’t upgraded to the Mk III, I’m waiting for the Mk IV).  I bought it specifically for travelling and running photo tours to places like Bhutan, Cambodia and Japan, where I want to carry my gear in a shoulder bag and not break my neck.

The three main lenses that I carry and use daily are the Sony 16-35mm, 24-70mm and the 70-200mm.  All the f4 version lenses though, not one single f2.8 zoom in the bag.  Why?  The f2.8 lenses are too big for the camera and weigh too much.  What’s the point of having a small light camera and then putting huge heavy lenses on it?  It would put me right back where I started with that big heavy camera bag.  This kit is especially for travel remember, I want the best quality for the least weight.

Actually come to think of it, all my current gear is mirrorless, even my medium format is a technical camera with a Phase One IQ3-100 digital Back, which translated, means a really big mirrorless!  And although that’s still a heavy kit, it’s nowhere near as heavy as the Phase One XF kit it replaced…  Read More about that Here>>

 

No fast lenses on Mirrorless cameras?

I’m not saying there is no place for fast lenses on mirrorless cameras, of course there is, a camera is a camera after all, a black box to capture light.  Sports, specialist portraits, wildlife, weddings and events all call for the fastest lenses possible.  But if the reason you are considering mirrorless is at least partly weight, then remember that lenses add more to the weight of your camera bag than camera bodies.  Don’t just buy the fast lenses because the sales guy tells you they are better.

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8 Responses to “Mirrorless Camera Misconceptions”
  1. Geoff B says:

    Spot on Adam, cynical me suggests the only winner in the current battle ground of full frame mirrorless cameras is the manufacturers. I think you have also hit the proverbial nail on the subject of more money, bigger lenses and newer equipment makes better photos. In nearly every case it’s the photographer who makes the shot, not the gear they carry around. A quality camera is one that’s fit for purpose, and, it’s ok to disagree with the salesperson and keep your hard won money. 👍

    • Adam Monk says:

      Hi Geoff, I think for once you are being more cynical than me! Cameras are getting better and better, no doubt, and its competition that drives that. Ultimately though people should decide for themselves what they want to spend money on. But it can be difficult to make rational decisions when everyone is constantly being bombarded by advertising hype about the latest gadget you MUST have!
      Mirrorless is the future of camera bodies, that’s been clear for ages, it just makes sense from every perspective, both user and manufacturer, but the question I try to ask myself – with varying levels of success – is do I actually need this?
      After all, with retail therapy it’s the anticipation and the “wanting” that is the fun bit. The “having” is a bit of let down, because what you end up with is not that different to what you had before. onto the next new thing…
      Cheers

  2. Diane Winters says:

    True. True. True. I am a small person and love my 5D Mark IV and hate to leave it behind. For the very reasons you so well explained, I sometimes have to take my micro 4/3. Thank you for so beautifully telling it like it is. Too much hype on the full-frame mirrorless.

    • Adam Monk says:

      Hi Diane, You have hit the nail on the head… weight! Camera gear is heavy and inconvenient. Now that we al have a camera in our phones most people find thats the camera most used… because it’s light and we always have it with us. The classic thing I hear, even on photo tours is… “Oh I left my camera back at the hotel, its too heavy to carry around”… And then there was mirrorless, and that all changed. Now it seems to be swinging back again… Anyway, its all fun to watch.
      Cheers

      • Kerstin says:

        Good blog post, Adam! I can relate to it. When I went to a camera store and wanted to try mirrorless cameras, I was very surprised how heavy the Sony fullframe camera was. My whole point was to travel lighter. So I quickly navigated to micro four thirds and am happy with the Panasonic GX8 even though it’s not the latest model.

        • Adam Monk says:

          Thanks Kerstin. If you want the truly light gear the 4/3 Panasonic or the Olympus are definitely the go. I see lots of these cameras on tours and the super light weight and build quality are always astounding. I went for the Sony for that full frame quality and have been very happy with that, though with the lighter f4 lenses to keep the weight down. There is huge potential in future for camera gear to get smaller and lighter, lets see how it goes. Personally I want a medium format the size of my phone.
          Cheers

  3. Gerhard Saueracker says:

    Hi all, I loved my Nikon D800 full frame, but travelling overseas with it and my chosen lenses was hard work. I eventually sold off all my Nikon gear and bought an Olympus OMD-EM1. In the long run I probably haven’t reduced the weight as much as originally intended, as Olympus produced a 300mm lens – equivalent to 600mm full frame. So on a trip to Africa I was able to take really close shots of wild animals and birds. If I’d stuck with full frame I would not have been able to afford the equivalent lens, or carry it. So besides the possibility of reducing weight by going mirrorless, there is also an opportunity to extend the range of pictures that you can take.

  4. Adam Monk says:

    Hi Gerhard, I can completely relate to that feeling of carrying gear thats so heavy! But I love the quality of the full frame hi res sensor, hence the Sony A7-r. The thing about the 300mm on the Olympus being the equivalent of the 600mm is a bit of a furfy though. Its still a 300mm lens, you are just seeing less of the image by having a smaller sensor. You could get exactly the same effect shooting it with a 300mm on a full frame and then just cropping in. The real advantage is that the 300mm lens you are carrying for the Olympus is half the weight of the full frame 300mm lens.

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