Olympus 100-400mm F5-6.3 vs Olympus PRO 40-150mm F2.8 + teleconverter

Started 2 months ago | Discussions thread
gary0319 Veteran Member • Posts: 8,114
Re: Olympus 100-400mm F5-6.3 vs Olympus PRO 40-150mm F2.8 + teleconverter

Photo Pete wrote:

gary0319 wrote:

Photo Pete wrote:

robgendreau wrote:

Henry Falkner wrote:

valerio18 wrote:


I am Olympus casual shooter that would like to have telephoto lens with more reach (the longest lens I have now is 14-150 F4-F5.6). I am considering between the 2 lenses (100-400 vs 40-150+TC). Do you think which option can deliver "better" image/AF/etc.?


150 + x2 TC only gives you 300mm, and you lose 2 stops or more in the TC.

Plus - changing lenses from 14-150 to 40-150 + TC needs removing one lens, and attaching two lenses. That is alright if you don't really take photographs, but enjoy making an exhibition of yourself changing lenses. I have seen tourists changing lenses and never taking a photo.

If the 100-400 is just outside your budget, consider the 75-300 II. It has good reviews here.

When I do get my tax return, I may go for the 75-300 , and put off the new E-M10 IV for later. The lens is about US$ 500.-.


Well, two stops is 5.6. Still faster than much of the range of the Oly longer lens. And of course much faster at 150mm without the TC.

And query: why would one buy an interchangeable lens camera if you're worried about how you look changing lenses? that's just strange. Maybe you need to be in the compact camera forum? or did you just weld your lens of choice on, never to change it?

I sold my 70-300mm, but it is a pretty good lens for the price and given the slowness. The 40-150mm, even with a TC, is better, however. I'm not the only one to think so, see https://www.dpreview.com/forums/thread/4197417

Agree with this. The 70-300 was OK, but the 40-150 with 2x tc is better (particularly at 300 at the edges and in the corners). It is in a different league without TC.

The 40-150 with 2x TC is about the same as the Pana-Leica 100-400 in the centre at 300mm but slightly worse in the corners. I wouldn’t call the corners bad though... you can see a test image of sharpness across the frame in an old post of mine here:

One thing going for the 40-150 + MC20 is that, unlike the 100-400, it doesn’t extend when zooming and so handling is really nice and balanced.

My comparisons between my 40-150 f/2.8 Pro with the 1.4 and 2X converters vs my PL 100-400 are quite different. In all overlapping focal ranges (100-300) the Panny was significantly sharper than the 40-150 with converters. Without the converters the 40-150 was the winner. I tried with my PL100-400 and my wife’s 40-150 Pro and her PL 100-400 and 2 copies each of the 1.4 and 2x converters. We both kept our 40-150 Pro but sent the converters packing

Blimey! You don’t think much of sharing do you! It’s a shame Olympus don’t do a family discount.

You are right, we each have our own. The only drawback is when we each want a new camera or lens, the bank accounts (we each have our own accounts, too) take a double hit.

 gary0319's gear list:gary0319's gear list
Olympus PEN-F Olympus OM-D E-M10 III Olympus E-M5 III Olympus E-M1 III Olympus M.Zuiko Digital ED 14-42mm F3.5-5.6 EZ +8 more
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