Canon FF MILC + 28-70 F2.0 Rumored

08amczb · 08-31-2018, 02:52 PM

I think Canon is inthe winning position in the MILC wars if it's true: Here's the full list of gear Canon will announce on September 5 - Canon Rumors | Canon Rumors Forum

Mark Ransom · 08-31-2018, 03:07 PM

28-70 F2.0 would be an awesome lens no matter which system it was designed for.

08amczb · 08-31-2018, 03:18 PM - **1 Like**

I don't know how will they keep it's weight and size in the manageable range, but I'am courios...

**ChipB** · 08-31-2018, 03:31 PM

Good lord - that lens (if it actually exists) would have to have a 150-200mm front element. Expensive filters!!

Mark Ransom · 08-31-2018, 03:36 PM

Originally posted by ChipB

Good lord - that lens (if it actually exists) would have to have a 150-200mm front element. Expensive filters!!

How do you figure that? 70mm/F2.0 = 35mm.

08amczb · 08-31-2018, 03:41 PM

Why that big front element? A 70mm F2 has smaller and a 28mm F2 also has smaller, technically that should be enough.

**ChipB** · 08-31-2018, 03:52 PM

Originally posted by Mark Ransom

How do you figure that? 70mm/F2.0 = 35mm.

I don't think it works quite that way.

I have a 24-105 f4 lens at hand and it has a 77mm filter size.

Mark Ransom · 08-31-2018, 03:58 PM

Originally posted by ChipB

I don't think it works quite that way.

I have a 24-105 f4 lens at hand and it has a 77mm filter size.

It works that way for primes. Zooms are a bit more complicated, but I've never heard a good explanation that would allow you to predict the front element size. The post I responded to still seems like a vast overestimate without some more data.

**ChipB** · 08-31-2018, 04:05 PM

Originally posted by Mark Ransom

It works that way for primes. Zooms are a bit more complicated, but I've never heard a good explanation that would allow you to predict the front element size. The post I responded to still seems like a vast overestimate without some more data.

As much as anything I was taking a wild stab in the dark - nothing to back up my #'s - BUT, it's helping to get us to the K1 ii.

DeadJohn · 08-31-2018, 04:51 PM

28-70 f2.0 will be big and expensive. They also have a 24-105 f4 as an alternative.

I didn't see any ultrawide lenses rumored. Adapters might satisfy that need.

Seems competitive with Sony and Nikon, but sensor performance and user interface are still mysteries.

**UncleVanya** · 08-31-2018, 04:52 PM

The larger front elements Are also design choices based on the optical design. Look at the dfa 50 vs fa 50 1.4.

mee · 08-31-2018, 06:19 PM

Originally posted by DeadJohn

28-70 f2.0 will be big and expensive. They also have a 24-105 f4 as an alternative.

I didn't see any ultrawide lenses rumored. Adapters might satisfy that need.

Seems competitive with Sony and Nikon, but sensor performance and user interface are still mysteries.

UWAs might be on the roadmap like with Nikon. Between that and sensor performance this could be really nice...

or they could pull a Canon and skimp because they can..

This will take a couple years to pan out I think.. between all of the makers. But I'm interested in seeing which system is adapted the most and which system adapts other systems better/worse.

mee · 08-31-2018, 06:20 PM

Originally posted by UncleVanya

The larger front elements Are also design choices based on the optical design. Look at the dfa 50 vs fa 50 1.4.

Plus I suspect some makers purposely use a specific filter size or two across their lineup just to keep consistency..

serothis · 08-31-2018, 07:04 PM

a 24-70 f/2 would be crazy. I assume it's going to have a price to match.

**UncleVanya** · 08-31-2018, 08:17 PM

Originally posted by serothis

a 24-70 f/2 would be crazy. I assume it's going to have a price to match.

Faster doesn't mean better corrected - it could be fast and sloppy and small. Time will tell.

08-31-2018, 02:52 PM	#1
08amczb Veteran Member Join Date: Dec 2013 Posts: 796	Canon FF MILC + 28-70 F2.0 Rumored I think Canon is inthe winning position in the MILC wars if it's true: Here's the full list of gear Canon will announce on September 5 - Canon Rumors \| Canon Rumors Forum

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08-31-2018, 03:07 PM	#2
Mark Ransom Veteran Member Join Date: Jul 2015 Location: Minneapolis, MN, USA Photos: Albums Posts: 498	28-70 F2.0 would be an awesome lens no matter which system it was designed for.

08-31-2018, 03:18 PM - 1 Like	#3
08amczb Veteran Member Join Date: Dec 2013 Posts: 796 Original Poster	I don't know how will they keep it's weight and size in the manageable range, but I'am courios...

08-31-2018, 03:31 PM	#4
ChipB Site Supporter Join Date: Nov 2007 Location: Eau Claire, WI Photos: Gallery \| Albums Posts: 2,701	Good lord - that lens (if it actually exists) would have to have a 150-200mm front element. Expensive filters!!

08-31-2018, 03:36 PM	#5
Mark Ransom Veteran Member Join Date: Jul 2015 Location: Minneapolis, MN, USA Photos: Albums Posts: 498	Originally posted by ChipB Good lord - that lens (if it actually exists) would have to have a 150-200mm front element. Expensive filters!! How do you figure that? 70mm/F2.0 = 35mm.

08-31-2018, 03:41 PM	#6
08amczb Veteran Member Join Date: Dec 2013 Posts: 796 Original Poster	Why that big front element? A 70mm F2 has smaller and a 28mm F2 also has smaller, technically that should be enough.

08-31-2018, 03:52 PM	#7
ChipB Site Supporter Join Date: Nov 2007 Location: Eau Claire, WI Photos: Gallery \| Albums Posts: 2,701	Originally posted by Mark Ransom How do you figure that? 70mm/F2.0 = 35mm. I don't think it works quite that way. I have a 24-105 f4 lens at hand and it has a 77mm filter size.

08-31-2018, 03:58 PM	#8
Mark Ransom Veteran Member Join Date: Jul 2015 Location: Minneapolis, MN, USA Photos: Albums Posts: 498	Originally posted by ChipB I don't think it works quite that way. I have a 24-105 f4 lens at hand and it has a 77mm filter size. It works that way for primes. Zooms are a bit more complicated, but I've never heard a good explanation that would allow you to predict the front element size. The post I responded to still seems like a vast overestimate without some more data.

08-31-2018, 04:05 PM	#9
ChipB Site Supporter Join Date: Nov 2007 Location: Eau Claire, WI Photos: Gallery \| Albums Posts: 2,701	Originally posted by Mark Ransom It works that way for primes. Zooms are a bit more complicated, but I've never heard a good explanation that would allow you to predict the front element size. The post I responded to still seems like a vast overestimate without some more data. As much as anything I was taking a wild stab in the dark - nothing to back up my #'s - BUT, it's helping to get us to the K1 ii.

08-31-2018, 04:51 PM	#10
DeadJohn Pentaxian Join Date: Jan 2011 Location: New York Posts: 4,834	28-70 f2.0 will be big and expensive. They also have a 24-105 f4 as an alternative. I didn't see any ultrawide lenses rumored. Adapters might satisfy that need. Seems competitive with Sony and Nikon, but sensor performance and user interface are still mysteries.

08-31-2018, 04:52 PM	#11
UncleVanya Loyal Site Supporter Join Date: Jul 2014 Photos: Gallery \| Albums Posts: 28,407	The larger front elements Are also design choices based on the optical design. Look at the dfa 50 vs fa 50 1.4.

08-31-2018, 06:19 PM	#12
mee Veteran Member Join Date: May 2010 Posts: 7,403	Originally posted by DeadJohn 28-70 f2.0 will be big and expensive. They also have a 24-105 f4 as an alternative. I didn't see any ultrawide lenses rumored. Adapters might satisfy that need. Seems competitive with Sony and Nikon, but sensor performance and user interface are still mysteries. UWAs might be on the roadmap like with Nikon. Between that and sensor performance this could be really nice... or they could pull a Canon and skimp because they can.. This will take a couple years to pan out I think.. between all of the makers. But I'm interested in seeing which system is adapted the most and which system adapts other systems better/worse.

08-31-2018, 06:20 PM	#13
mee Veteran Member Join Date: May 2010 Posts: 7,403	Originally posted by UncleVanya The larger front elements Are also design choices based on the optical design. Look at the dfa 50 vs fa 50 1.4. Plus I suspect some makers purposely use a specific filter size or two across their lineup just to keep consistency..

08-31-2018, 07:04 PM	#14
serothis Veteran Member Join Date: May 2016 Photos: Gallery \| Albums Posts: 538	a 24-70 f/2 would be crazy. I assume it's going to have a price to match.

08-31-2018, 08:17 PM	#15
UncleVanya Loyal Site Supporter Join Date: Jul 2014 Photos: Gallery \| Albums Posts: 28,407	Originally posted by serothis a 24-70 f/2 would be crazy. I assume it's going to have a price to match. Faster doesn't mean better corrected - it could be fast and sloppy and small. Time will tell.