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-   -   New Olympus Patent: 400mm f4.0 MFT Lens (http://e-group.uk.net/forum/showthread.php?t=48519)

Loup Garou 3rd November 2018 11:24 AM

Re: New Olympus Patent: 400mm f4.0 MFT Lens
 
Quote:

Originally Posted by Bikie John (Post 461765)
Of course not. If you want f/4 at 400mm it is going to be big, heavy and VERY expensive whatever your sensor size.
John

Yes, but a FF equivalent of a 400mm f4 MFT lens woud be absolutely huge. First of all, it needs to be an 800mm lens to get the same focal distance. If it is an exact equivalent, ie an 800mm f8 FF lens, I suspect that it will still be bigger and heavier than the 400mm f4 MFT lens. But if the FF bods want to make their point and make an 800mm f4 lens :eek:, I suspect the photographer might struggle to get it into the boot of his car, let alone his bag. And with that size, weight and no doubt bank-breaking cost, the risk of accidental damage would be high.

I doubt if anyone other than full pros using FF sensor cameras would even consider such expense.

Bikie John 3rd November 2018 07:40 PM

Re: New Olympus Patent: 400mm f4.0 MFT Lens
 
Exactly. So in what way does it "take away one of the main selling points of the MFT system - portability"?

Yes, it's big. But it is still considerably than the equivalent for 35mm format would be (if it were ever available), and you wouldn't need to use it except for specialised purposes. It isn't taking anything away from anyone or anywhere.

John

Thomas Westhead 3rd November 2018 10:05 PM

Re: New Olympus Patent: 400mm f4.0 MFT Lens
 
Good evening,


So guys any ideas what the rumored zoom will be from Olympus F/L wise, size, filter size etc????

Will it be in the Pro lens lineup?

Is it to be a direct opponent to the Panasonic 100-400??

Ross the fiddler 3rd November 2018 10:54 PM

Re: New Olympus Patent: 400mm f4.0 MFT Lens
 
Quote:

Originally Posted by Thomas Westhead (Post 461858)
Good evening,


So guys any ideas what the rumored zoom will be from Olympus F/L wise, size, filter size etc????

Will it be in the Pro lens lineup?

Is it to be a direct opponent to the Panasonic 100-400??

The 'Simon' that leaked details for a long zoom to be announced early next year (for an end of 2019 production) said it will be 150-400mm F4.0-5.6. See what Bassman51 wrote above for a possible filter size.

Loup Garou 6th November 2018 08:51 AM

Re: New Olympus Patent: 400mm f4.0 MFT Lens
 
Quote:

Originally Posted by Ross the fiddler (Post 461864)
The 'Simon' that leaked details for a long zoom to be announced early next year (for an end of 2019 production) said it will be 150-400mm F4.0-5.6. See what Bassman51 wrote above for a possible filter size.

If Olympus made a 150-400mm lens as f4.5-5.6 instead, can it be made around the same size as the Panasonic 100-300mm f4-5.6? At least the same length (with an extending zoom, of course) if a bit fatter?

Ross the fiddler 6th November 2018 10:59 AM

Re: New Olympus Patent: 400mm f4.0 MFT Lens
 
Quote:

Originally Posted by Loup Garou (Post 462007)
If Olympus made a 150-400mm lens as f4.5-5.6 instead, can it be made around the same size as the Panasonic 100-300mm f4-5.6? At least the same length (with an extending zoom, of course) if a bit fatter?

It may be larger than the PanaLeica 100-400 F4-6.3 lens


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