Extenders RF 2.0x teleconverter.

[Dave Williams]

With weight issues a major concern nowadays I'm considering buying a 2x teleconverter to go with my RF 100-500. I have the 1.4 but as always , if you are in to bird photography you are often looking for more reach. I have owned and been happy with both the Mk2 and Mk3 EF versions, but I mount them on my 500mm f4 lens. There is a big difference in f8 and f14 especially in the light we typically have in the UK! Until I bought the 100-500 and 1.4 I didn't shoot past f8. f11 is ok on a bright day.
I did buy an RF 800mm f11 which is a nice lightweight inexpensive lens but it's considerably more bulky than having a TC in your bag. I wasn't happy with the performance with a 1.4TC or for the limited focus points that are available with that lens. It was stolen and I don't intend replacing it.
So, I'm looking for objective comments. Has anyone got one? What body and lens do you use it with? Is the IQ sharp? Is the bokeh an issue? Is it sitting unused in your bag?
Any guidance would be welcome.
TIA Dave

 

[Tappa]

I have posted a number of images in the gallery and all are using the Sigma lens. The TC I have is the first version so I would assume the second or third would be even better or you can use a Sigma TC which is made to work with their lenses. I will upload more images with the TC in a day or two as I just got to use it some yesterday all hand held. I need to do some on a tripod to see how sharp it is when stable. Thanks for the response to my post.
I just uploaded a few images all taken with the 60-600mm Sigma lens.

 

[Tappa]

• Canon EOS R5
• 60-600mm F4.5-6.3 DG OS HSM | Sports 018
• 600.0 mm
• ƒ/6.3
• 1/5000 sec
• ISO 3200

• Canon EOS R5
• 60-600mm F4.5-6.3 DG OS HSM | Sports 018
• 600.0 mm
• ƒ/6.3
• 1/1600 sec
• ISO 1250

• Canon EOS R5
• 60-600mm F4.5-6.3 DG OS HSM | Sports 018
• 600.0 mm
• ƒ/9
• 1/1000 sec
• ISO 2000

• Canon EOS R5
• EF100-400mm f/4.5-5.6L IS USM
• 400.0 mm
• ƒ/8
• 1/1600 sec
• ISO 1250

• Canon EOS R5
• 60-600mm F4.5-6.3 DG OS HSM | Sports 018
• 600.0 mm
• ƒ/6.3
• 1/1600 sec
• ISO 1250

 

[mikey12654]

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I have posted a number of images in the gallery and all are using the Sigma lens. The TC I have is the first version so I would assume the second or third would be even better or you can use a Sigma TC which is made to work with their lenses. I will upload more images with the TC in a day or two as I just got to use it some yesterday all hand held. I need to do some on a tripod to see how sharp it is when stable. Thanks for the response to my post.
I just uploaded a few images all taken with the 60-600mm Sigma lens.

Hi Gary, thanks for posting your pics, I especially liked the shot of the bird on the tree branch...great detail, would love to see your shots with the tripod too. I'm looking forward to seeing your shots using the TC with your Sigma lens! Regarding the Canon TC 1.4x, from what I've read the iii version is better than the older versions. I'm curious now, I wonder if the Sigma TC would out perform the Canon iii TC on your R5, would love to see the results of that. I'm loving how the R5 performs with Sigma lenses, their only drawback is their weight as you already know, I think your lens weighs around 6 lbs doesn't it?

 

[Tappa]

Hi Gary, thanks for posting your pics, I especially liked the shot of the bird on the tree branch...great detail, would love to see your shots with the tripod too. I'm looking forward to seeing your shots using the TC with your Sigma lens! Regarding the Canon TC 1.4x, from what I've read the iii version is better than the older versions. I'm curious now, I wonder if the Sigma TC would out perform the Canon iii TC on your R5, would love to see the results of that. I'm loving how the R5 performs with Sigma lenses, their only drawback is their weight as you already know, I think your lens weighs around 6 lbs doesn't it?

Yes, I believe you're right about the weight of the Sigma lens. Heavy but tough as I've had it out in a thunderstorm and accidentally bumped on things a few times and it just keeps on working. Here are a few image I just shot this afternoon with the 1.4 TC. See what you think of them, I did use a tripod for these and found it much easier to hold on target. The last wide shot was hand held.

• Canon EOS R5
• 60-600mm F4.5-6.3 DG OS HSM | Sports 018 +1.4x
• 840.0 mm
• ƒ/9
• 1/8000 sec
• ISO 3200

• Canon EOS R5
• 60-600mm F4.5-6.3 DG OS HSM | Sports 018 +1.4x
• 840.0 mm
• ƒ/10
• 1/8000 sec
• ISO 1600

• Canon EOS R5
• 60-600mm F4.5-6.3 DG OS HSM | Sports 018 +1.4x
• 840.0 mm
• ƒ/10
• 1/2000 sec
• ISO 1600

• Canon EOS R5
• 60-600mm F4.5-6.3 DG OS HSM | Sports 018 +1.4x
• 840.0 mm
• ƒ/10
• 1/2000 sec
• ISO 1600

• Canon EOS R5
• 60-600mm F4.5-6.3 DG OS HSM | Sports 018 +1.4x
• 840.0 mm
• ƒ/10
• 1/2000 sec
• ISO 1600

 

[RedCobra]

No offense, but these shots would make me NOT buy this lens. I don't find them very sharp. Maybe it's the conversion or something.
RF100-500 with RF 1.4ex

• Canon EOS R5
• RF100-500mm F4.5-7.1 L IS USM + EXTENDER RF1.4x
• 700.0 mm
• ƒ/10
• 1/1600 sec
• ISO 800

 

[RedCobra]

Here's one with the RF 100-500 and the RF 2ex.

• Canon EOS R5
• RF100-500mm F4.5-7.1 L IS USM + EXTENDER RF2x
• 1,000.0 mm
• ƒ/14
• 1/1600 sec
• ISO 800

 

[Tappa]

No offense, but these shots would make me NOT buy this lens. I don't find them very sharp. Maybe it's the conversion or something.
RF100-500 with RF 1.4exView attachment 13155

Thanks for the input, no offense taken. I have to agree yours is sharper for sure. Part of the problem may be the TC not being made for my lens and some is my technique. It's just an experiment at this point. The second one is another one to compare to yours with 1.4TC almost, but still not as sharp to my eyes. The first one is without the 1.4TC, definitely better than with the TC.

• Canon EOS R5
• 60-600mm F4.5-6.3 DG OS HSM | Sports 018
• 600.0 mm
• ƒ/9
• 1/1000 sec
• ISO 1600

• Canon EOS R5
• 60-600mm F4.5-6.3 DG OS HSM | Sports 018 +1.4x
• 840.0 mm
• ƒ/9
• 1/400 sec
• ISO 3200

image I shot the other day that I think is pretty close in sharpness.

 

[Tappa]

Here's one with the RF 100-500 and the RF 2ex.View attachment 13157

That's an amazing image. Extremely sharp.
Also you may have a point about the conversion. As of now I'm importing directly into LRc and I know there is better conversion software available. What would you recommend?

 

[Tappa]

I have an R5 too and would love to see shots taken with your Sigma 60-600 lens, both with and without a TC. Is your TC the iii version?

The first 4 are the Sigma 60-600mm at 600mm. The last two are with the 1.4 TC. The last one is out of focus as I don't have a gamble mount for my tripod and was trying to use a ball head which didn't work well for panning shots. Raw conversion in LRc.

 

[RedCobra]

That's an amazing image. Extremely sharp.
Also you may have a point about the conversion. As of now I'm importing directly into LRc and I know there is better conversion software available. What would you recommend?

My shots were jpegs exported from LrC with no resizing and 100% quality setting sRGB. Originals were imported into LrC, then to DxO Pure RAW converted to DNG then back to LrC for any edits, crops.