May 27, 2018, 10:02:16 AM

Author Topic: Patent: Tamron 300mm f/2.8, 400mm f/4, 500mm f/4  (Read 9793 times)

dslrdummy

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Re: Patent: Tamron 300mm f/2.8, 400mm f/4, 500mm f/4
« Reply #30 on: January 09, 2018, 09:51:40 PM »
Choice is normally good for the overall market, so I’m excited to see what comes from Tamron.  imho Sigma’s venture into that territory with the 500mm f/4 sports was just to expensive to choose over a used Canon edition.

Yeah, IglooEater, I was looking to buy a 500mm Sigma. Reportedly an excellent lens, just as good as Canon's, but for reported focus shift affecting apertures greater than f/4 (not a great concern for me). That said, I found a used 500mm L II for 116% the cost of the best used Sigma 500 cost, so I bought the Canon of course, as it doesn't have the focus shift issue, and it'll retain value much more over time.

Pretty sure we'll see Sigma's 500 come down to $4500 eventually from the $6k you see now. A sigma offering at 400mm could very well be a $2500 lens, if they chose to go for volume (something Tamron can do much more so than Sigma).

I suspect Tamron would do better to throw the 500mm into the market first, though. More demand, less competition. More of an upgrade market, where most owners of a 400 would need something special to "upgrade" to something that also only got 400mm.

Would expect a Tamron 500 f/4 to go for $3500. Being the cost of a decent pro body, that's a pretty darned reasonable package.

Further, I think the big white refresh from Canon will have to be priced lower than the version IIs simply due to existing and forthcoming competition. They might launch high, but I expect the effective price after discounts to be much lower than the current effective prices. When I borrow a big white from Canon now through its CPS program, they list on the invoice the value of the lens at $16,000, yet they charge $10k-12k in reality. Wouldn't be surprised if we are in the 5-figure range for the next generation once they catch up with supplying the market for those who just can't wait to pay the full price on pre-orders (a year in, typically).
I had been contemplating the Sigma 500 f4 for a while to replace my 300 2.8ii and then over the Xmas period there was a 15% discount being offered by one of our (Aussie) retailers so I bought it. Just took delivery so can't report on the focus shift issue yet but it is a sweet lense. As for Canon glass holding its value. Yes it does but the flip-side is that second hand big whites are not that cheap (here at least), assuming you can find them. Indeed, the second hand market here for Superteles is not big - I haven't had any bites on my near mint 300 after a couple of weeks on two sites. 
1DX ii, Tamron 35 f1.8 Di VC, EF 40 f2.8, EF 85 f1.8, EF 70-200 f2.8Lii, EF 100-400Lii, EF 300 f2.8Lii, Sigma 500mm f4 DG OS HSM, 1.4xiii
EOS M5, 22/2, 15-45

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Re: Patent: Tamron 300mm f/2.8, 400mm f/4, 500mm f/4
« Reply #30 on: January 09, 2018, 09:51:40 PM »

tiggy@mac.com

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Re: Patent: Tamron 300mm f/2.8, 400mm f/4, 500mm f/4
« Reply #31 on: January 10, 2018, 12:30:53 AM »
dslrdummy, great luck with your new 500. Let us know what you think of focus shift. For my part, I seldom find myself shooting the 500 at thinner apertures, so it wouldn't be a big deal.

dslrdummy

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Re: Patent: Tamron 300mm f/2.8, 400mm f/4, 500mm f/4
« Reply #32 on: January 10, 2018, 12:48:25 AM »
dslrdummy, great luck with your new 500. Let us know what you think of focus shift. For my part, I seldom find myself shooting the 500 at thinner apertures, so it wouldn't be a big deal.
Thanks. I generally shoot the 300 with the extender for sport and wildlife so f4 as well. Just wanted a bit more reach and hopefully a tad sharper.
1DX ii, Tamron 35 f1.8 Di VC, EF 40 f2.8, EF 85 f1.8, EF 70-200 f2.8Lii, EF 100-400Lii, EF 300 f2.8Lii, Sigma 500mm f4 DG OS HSM, 1.4xiii
EOS M5, 22/2, 15-45

AlanF

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Re: Patent: Tamron 300mm f/2.8, 400mm f/4, 500mm f/4
« Reply #33 on: January 10, 2018, 04:12:54 AM »
As for Canon glass holding its value. Yes it does but the flip-side is that second hand big whites are not that cheap (here at least), assuming you can find them. Indeed, the second hand market here for Superteles is not big - I haven't had any bites on my near mint 300 after a couple of weeks on two sites.

Having seen that the 300/2.8 II was selling very slowly on eBay, even from reputable dealers, I sold mine at the end of last October to a major dealer in used gear. It is still unsold on their site. Now that inflation is generally low and manufacturers are more aggressive in price cutting, with even Canon giving 10% discounts on all L lenses periodically, you will be lucky not to lose big money on buying new Canon big whites and then selling.  The amount lost in buying a Tamron or Sigma 150-600mm and selling on at half-price is far less. The 500mm will lose a lot.  But, you buy a lens to use it.
5D IV, 5DS R, 400mm DO II, 1.4xTC III, 2xTC III, EF 1.8 STM,  EF 24-105, 100-400 II, EF-S 15-85, Sigma 150-600mm C, EOS-M5 15-45, f/2 22, 11-22, Samyang 8mm f/2.8 fisheye: sold 7D II, EOS-M, Powershot G3 X,  Sigma 10-20, EF 300/2.8 II, 70-200/4 IS.

paylituzu

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Re: Patent: Tamron 300mm f/2.8, 400mm f/4, 500mm f/4
« Reply #34 on: January 22, 2018, 01:53:56 AM »
Sigma never made a mark across the board with long primes (which means don't chime in about a single particular great lens you owned once in a blue moon) so let's hope Tammy gets it right. There has never truly been econo choices for birding, let us hope.

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Re: Patent: Tamron 300mm f/2.8, 400mm f/4, 500mm f/4
« Reply #34 on: January 22, 2018, 01:53:56 AM »