Thoughts on the 400-800 f8

[Unframed Dave]

I purchased this lens a few months back after being gifted some money by my old Dad. It was a customer return from WEX with a 10% discount on the unboxed price. At this price, it was a bit of no brainer and if I didn't do something with the money, I'd only waste it on more velour leisure suits.

Anyway, I had one purpose in mind. I spend a lot of time in Spain and a lot of that time on nature reserves photographing birds. With this in mind, I thought the extra reach would be nice and the limited aperture not too much of an issue.

Today, is the first time I've given it a proper outing and these are my thoughts. All the photos below are jpegs, full frame and no processing. Those of you who know me by now, know that I don't process beyond cropping and straightening. This includes (or precludes) noise reduction software. To this end, ISO is very important to me. I don't have the luxury of not worrying about it.

So, how did it handle?

To begin with, it's a tad heavier than my 200 - 600, but a lot lighter than my 600 f4. I ended up mounting it on my monopod and carried it as you would a crucifix, camera, horizontally across my shoulders and mono, outright in front of me at about 20 degrees to the vertical. It wasn't any less comfortable than the 600, which I also use in this way, but it was less convenient than my 200 - 600, which I handhold everywhere. I handheld it the hides, and it was absolutely fine.

And, it's noisy. All the time. For an old fella, I have very good hearing, and this thing whirrs all the time, even if you're just carrying it, it whirrs. This annoys me, I rely on my hearing a lot to identify what's around me and where it is. It isn't so loud that it drowns other sounds out, but it distracts. Can anyone else with one have a listen to theirs? I suspect mine may have a fault. None of my other lenses do this. I also wonder how it's affecting battery life?

How did it perform?

It was predictable, when conditions were right, it performed brilliantly. Images were tack sharp and it had no problems finding and maintaining focus.

The issues are entirely predictable and don't apply to everyone. f8 is slow, even in the land of light, it can be too slow, if you're trying to keep ISO to a minimum.

The shots below are all full frame, I've picked the best. There where times, I'd loved to have my f4 available, the meadow pippit for example kept moving in and out of shade. There are also times, I'd have liked better subject/background separation, particularly the heron.

I've only kept the Kingfisher in, to demonstrate how well it managed to focus, I estimate that shot was taken at 25 metres and in between all those posts and reeds, it would have challenged a lot of lenses.


At the end of the day, these issues could have and were predicted from pre purchase. Is it a keeper? Too soon to say, I need to play more. Will I sell my 200 - 600, absolutely not. What about the 600? From my dead cold hands! It is still the Daddy in my view.

I'm going to take it out a bit more whilst here and form more of an opinion.

• ILCE-1
• FE 400-800mm F6.3-8 G OSS
• 800.0 mm
• ƒ/8
• 1/2000 sec
• ISO 640

• ILCE-1
• FE 400-800mm F6.3-8 G OSS
• 800.0 mm
• ƒ/8
• 1/1600 sec
• ISO 640

• ILCE-1
• FE 400-800mm F6.3-8 G OSS
• 800.0 mm
• ƒ/8
• 1/400 sec
• ISO 1000

• ILCE-1
• FE 400-800mm F6.3-8 G OSS
• 800.0 mm
• ƒ/8
• 1/2500 sec
• ISO 1000

• ILCE-1
• FE 400-800mm F6.3-8 G OSS
• 604.0 mm
• ƒ/8
• 1/1250 sec
• ISO 640

• ILCE-1
• FE 400-800mm F6.3-8 G OSS
• 800.0 mm
• ƒ/8
• 1/2000 sec
• ISO 640

 

[Unframed Dave]

I've just viewed these on the site and to be totally honest, the compression isn't presenting these at anything like actual sharpness. They are absolutely tack, apart from the kingfisher.

 

[AlphaWorld]

I've just viewed these on the site and to be totally honest, the compression isn't presenting these at anything like actual sharpness. They are absolutely tack, apart from the kingfisher.

I think you have to upload them as JPEGs at no more than 2000 pixels on the long side, or they get re-sized. To show more detail, I think you have to crop to show the details.

@Tim Mayo is the man to confirm that.

 

[Unframed Dave]

I think you have to upload them as JPEGs at no more than 2000 pixels on the long side, or they get re-sized. To show more detail, I think you have to crop to show the details.

@Tim Mayo is the man to confirm that.

I'll try in the morning. Thanks.

 

[Unframed Dave]

I think you have to upload them as JPEGs at no more than 2000 pixels on the long side, or they get re-sized. To show more detail, I think you have to crop to show the details.

@Tim Mayo is the man to confirm that.

• ILCE-1
• 800.0 mm
• ƒ/8
• 1/1600 sec
• ISO 640

• ILCE-1
• 800.0 mm
• ƒ/8
• 1/400 sec
• ISO 1000

• ILCE-1
• 800.0 mm
• ƒ/8
• 1/2500 sec
• ISO 1000

• ILCE-1
• 604.0 mm
• ƒ/8
• 1/1250 sec
• ISO 640

• ILCE-1
• 800.0 mm
• ƒ/8
• 1/2000 sec
• ISO 640

 

[Unframed Dave]

I think you have to upload them as JPEGs at no more than 2000 pixels on the long side, or they get re-sized. To show more detail, I think you have to crop to show the details.

@Tim Mayo is the man to confirm that.

It seems you are correct. Didn't higher resolution uploads used to be part of the paid membership?

 

[Tim Mayo]

My 400-800 makes a little noise when focusing but nothing too annoying. I prefer to use my Sigma 500 most of the time though, I'm thinking the 400-800 wasn't my wisest of purchases. Like you say, you really need good light and it feels like a brick after using the Sigma. It's very sharp though

Regarding image uploads. Anything over 2048px at the long edge gets resized. So it's best to upload smaller than this if you can. I used to allow up to 4000px for Pro Members but this was only for uploads direct to the Media Gallery. Unfortunately there was no way to get this to work for image uploads into forum posts which most people are doing, so it was pretty much pointless and was removed from the Pro Member offering. It still actually works for existing pro members though.

Depending on what happens with hosting costs next year due to this memory and chip crisis, I may need need to look at alternative options for uploads. I think Fred Miranda only allows paying members to upload images, non paying members have to embed them from other sites like Flikr. Seems like a good way to potentially manage it.

 

[Unframed Dave]

Sadly Tim, the shooting forum, I'm a moderator on relies on external hosting. It's one of the main reasons it's dying off year on year.

I realise, everything comes down to cost but, you can't really have a photography related forum without the ability to easily show photographs.

Wildlife photography doesn't really work with fuzzy images and reviews are frankly, pointless.

Sorry, if that's a bit negative, but it is what it is.

 

[Tim Mayo]

Sadly Tim, the shooting forum, I'm a moderator on relies on external hosting. It's one of the main reasons it's dying off year on year.

I realise, everything comes down to cost but, you can't really have a photography related forum without the ability to easily show photographs.

Wildlife photography doesn't really work with fuzzy images and reviews are frankly, pointless.

Sorry, if that's a bit negative, but it is what it is.

I think a lot more forums and websites are going to die off going forward. Hosting costs will go up and they will see a lot less traffic because AI Engines are stealing all of the content, wrapping it in ads, then putting the smallest possible link back to the original source. If people get the answers they need from AI Summaries then many won't bother visiting the original source. In a few years time when all the forums and useful content sites have died off, they will be left with very slim pickings. This is already happening today. Traffic is already down 80% to most sites since these AI tools started stealing everything. I will try to keep this forum going for as long as possible but if it can't cover its costs it will sadly have to go. I think charging $10 which is the current Pro Membership price to enable image uploads isn't much at all. Fred Miranda was charging something like $90 last time I looked, but that is a much bigger site. Anyway, we will still be here come January 2026 January 2027 is another story!