EOS M5 Challenges
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Old 05-04-2017   #1
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Default EOS M5 Challenges

While waiting for the M5 + 15-45 lens to be delivered, I found out that the lens is 3.5-6.3! What the L! How can one use such a (big variable aperture) lens?

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Old 05-04-2017   #2
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Default Re: EOS M5 Challenges

The max aperture range of f/3.5-5.6 is pretty standard for general-purpose kit zooms. If using one were as problematic as you are making it out to be, they wouldn't be as popular as they are. Most zoom lenses I have encountered, even the cheap kit lenses, open up to at least f/5.6 at the telephoto end. That is, unless they are very long, such as my Sigma 150-500 mm f/4-6.3, which misses the f/5.6 mark by only a little bit. The f/6.5 is not a "standard" lens opening and looks like a typo for what should have been f/5.6. Are you quite sure that it opens up to only f/6.5?

And I thought the L designation was Canon-specific for their premium "luxury" lenses!

For the record, that lens is the only zoom lens I have that does not open up to at least a constant f/2.8 throughout its entire zoom range. All but one of my prime lenses also open up to at least f/2.8. The exception is a Tokina 17 mm f/3.5, which has been sent into semi-retirement by my Sigma 18-35 mm f/1.8 (!) zoom. (I shoot indoors in ambient light a lot.)
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Old 05-04-2017   #3
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Default Re: EOS M5 Challenges

Yeah, I think he is wrong.... it is a 6.3 (not 6.5). They also have an 18-150mm f/3.5 - 6.3...

Certainly doable and useable, but does limit you on aperture options. "Kits" are good and some are clean and sharp, but they do cut your low-light ability and can cut your DOF ability too. Still, if they are clean and sharp and give good color and contrast, you can get by on the size savings alone.... sometimes

Will be interesting to hear how you like it though....
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Old 05-05-2017   #4
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Default Re: EOS M5 Challenges

Opps, you are right, guys. It's 6.3 not 6.5 (has been corrected).

There is about 2 f/stops (1 & 2/3 to be exact) between the wide to the long end, which means one has has to constantly watch the shutter speed, which in turn is a bit of a headache.
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Old 05-05-2017   #5
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Default Re: EOS M5 Challenges

Quote:
Originally Posted by aam1234 View Post
Opps, you are right, guys. It's 6.3 not 6.5 (has been corrected).

There is about 2 f/stops (1 & 2/3 to be exact) between the wide to the long end, which means one has has to constantly watch the shutter speed, which in turn is a bit of a headache.
Yeah, shooting in manual sucks with variable aperture lenses. You can with ahead shoot at f/6.3 or check exposure everytime you change the zoom.

EDIT: Apparently I fell victim to auto correct and I have no idea what the original wording was supposed to be, but hopefully you can infer my intent.
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Old 05-05-2017   #6
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Default Re: EOS M5 Challenges

Quote:
Originally Posted by swampler View Post
Yeah, shooting in manual sucks with variable aperture
lenses. You can with ahead shoot at f/6.3 or check
exposure everytime you change the zoom.

Sent from my Nexus 7 using Tapatalk

In the old toadally mechanical bodies, the aperture
always varied when zooming. Once we got to control
the aperture from the body, first examples being the
Maxxum and EOS series, the problem went away for
most purposes. Any aperture not wider than the lens
speed at the long end will hold constant. IOW a f/3.5
to 4.5 zoom is a constant aperture lens when it's set
to f/4.5 thru f/16 [or 22 or 32, depending]. Acoarst
whatever your very smallest aperture is at the long
end, thaz the other f/stop thaz not available across
the whole zoom range. But, from about f/4.5 to f/16
or 22, modern systems transform such a lens into a
constant aperture zoom.

Reading between the lines above is a bit of good news
about your f/3.5-6.3 zoom. If it offers f/3.5 to f/22 at
the short end then the long end offers f/6.3 to f/40 !
Some day, deep DoF may actual come back into style

*cue knee jerk paranoid geek warning about diffraction*
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Old 05-06-2017   #7
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Default Re: EOS M5 Challenges

Not a knee jerk reaction, but degradation from diffraction should at least be considered when shooting at such small apertures, especially with a small image format. For critical work, diffraction will degrade resolution when shooting as such small small (high-numbered) apertures. it may even show up in images displayed on the net for some of the worst cases.
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Old 05-12-2017   #8
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Default Re: EOS M5 Challenges

For the life of me, I couldn't find a way to display the shutter speed in either the view finder or the back display. Major grrrr Especially with this super slow lens

Talk about a challenge, sigh
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Old 05-18-2017   #9
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Default Re: EOS M5 Challenges

Battery life.

I ordered an extra battery with the camera, but due to international shipping restrictions it will not arrive on time before my long vacation. At the same time, I found out that the local dealer has the battery in stock.

The question is: Does one need two or three batteries for a full day of heavy use. In other words, shall I buy one or or two extra batteries.

Each battery costs $80 here.

Cheers
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Old 05-18-2017   #10
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Default Re: EOS M5 Challenges

Quote:
Originally Posted by aam1234 View Post
Battery life.
............

The question is: Does one need two or three
batteries for a full day of heavy use. ...........
Sony APS-C live view cameras use a compact battery,
as does the Canon M-series, so two or more batteries
per day is normal. I have a Rebel SL-1 which uses the
same battery as the M-series, and it is just a bit less
hungry than the Sonys, since the SL-1 is an SLR, and
not a live view camera. But even in an SLR that small
batteries doesn't run very long.


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