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70-300 Canon Lenses In-Depth Analysis

Tronhard
Elite
Elite

Introduction

Canon has made some excellent kit lenses - the EF-S 18-55 STM, EF-S18-135 STM and nano USM, and the EF-S 55-250 STM are standout examples. The gold standard for Canon zoom lenses has been measured against the Luxury L lenses. Among the most outstanding have been the Canon EF 70-200 f/2.8 L IS USM MkII or III, the f/4 L MkII (super light), and the EF 100-400 L MkII super telephoto zoom.

However, for many people who have purchased a camera with a kit lens, and who wish to extend the focal range, the L lenses are not a viable economic option.  So, this article explores what is available as an upgrade from those lenses for someone wanting a longer reach with great image quality and without breaking the bank.

A note on Terminology:

L designation for Canon Luxury (read professional-grade) lenses.  These are expensive, but highly robust, built to be environmentally sealed to resist dust and moisture, and with top-end optics.  They are seriously expensive, but built to perform and last over long periods of serious use.  They are designed primarily for full-frame cameras, but can be uses on crop sensor bodies.

EF lenses are designed for Canon's Full Frame (FF) DSLRs (1D, 5D and 6D cameras), but will fit and work on crop sensor bodies as well.  They will work on M-series and R-series of bodies with an appropriate adapter.

EF-S lenses are exclusive to crop sensor APS-C bodies and will not work on FF DSLR cameras, but will work on M-series and some R-Series bodies with appropriate adapters.  They are cheaper than EF lenses but not necessarily inferior, some are of high optical quality.

RF and RF-S lenses are designed for the new Canon R-series Mirrorless Interchangeable Lens Cameras (MILCs) and do not work with the EF and EF-S or EF-M mounts.  EF and EF-S lenses can work with the RF mount via an adapter.

EF-M lenses are designed for Canon's early M-series MILCs and are not adaptable to any other mount, but EF and EF-S lenses can be attached to M-series bodies via an adapter. Not RF or RF-S units, however.

IS = Image Stabilization, a means by which the lens can mitigate the impacts of camera movement to allow images not to become blurry, especially at slower shutter speeds. There are two types Optical Image Stabilization (within a lens) and In-Body Image Stabilization (via the camera sensor).  Some systems can combine both.

USM = Ultra-sonic Motor, a means to focus the camera using small motors built into the lens to move a mechanical system to change the focusing of a lens.  On some cheaper lenses the AF button on the lens must be turned off to manually focus, or risk damaging the mechanical focusing system. This is used on the MkI and L versions of the EF 70-300 lenses.

STM = Stepping Motor, a direct drive system that does not use mechanics: what is called, fly-by-wire. This allows a lens to be manually focused without turning off the AF-ON button (autofocus on) and is faster than USM.

Nano-USM, is the latest iteration of Canon's motor drive system and is incredibly fast, silent and smooth. It too is fly-by-wire. In this context it is the motor system of the EF 70-300 MkII version (not the L version).

The EF 70-300 f/4-5.6 IS USM, MkI lens.

The Canon EF 70-300mm f/4-5.6 IS USM Lens: a unit released in 2005 that caused some controversy amongst a few users as they apparently had mixed results with it.  Those issues related to specifically using the lens in portrait mode, however that was resolved by Canon soon after release when it was made apparent.  The lens has good image stabilization, a much stronger construction than kit lenses, including a metal lens mount and is able to work with crop and full-frame bodies.

Tronhard_0-1674237145172.jpeg
Personally, I have liked the images taken with it, although compared with the most modern units it had some odd traits, like the slightly audible autofocus and IS, and the way the lens might occasionally not fully retracted at random times during use (easily resolved with a re-focus).  Still, it was a valid and significant update from the of EF-S 55-250 IS (for reach), or (for optics and build) to the pretty horrific 75-300 standard kit zooms that have mediocre optics and build, and are unstabilized.

I think the MkI version is still a great performer and it will be much cheaper refurbished or second-hand.  If I was limited for funds and wanted to upgrade from either of those lenses today, I would still seriously consider this lens.

The following three images were taken on the EF 70-300mm f/4-5.6 IS USM MkI: all hand-held.

Tronhard_1-1674237145186.jpeg
Canon EOS 60D: 300mm, f/9, 1/400sec, ISO-500.

Tronhard_2-1674237145356.png
A Takahe Adult Canon EOS 80D, 189mm, f/7.1, 1/250 sec, ISO-400

Tronhard_3-1674237145375.jpeg
Canon EOS 650D, 75mm, f/9, 1/250 sec, ISO-200 (hand-held and severely cropped)

Reviews:
Canon EF 70-300mm f/4.0-5.6 IS USM Lens Review - YouTube

The EF 70-300 f/4-5.6 IS USM, MkII lens.

In 2017 Canon released the EF 70-300 F4.0-5.6 IS USM MkII version.

Tronhard_4-1674237145381.jpeg

It has had a major cosmetic upgrade.  Gone the busy and lumpy control layout and in with a sleek smooth matt plastic shape that is bigger in diameter than the MkI - the old unit had a 58mm filter ring while the new one is at 67mm. The weight has been kept under control: 710g from 630g is not too bad considering the changes "under the hood".

The buttons are now recessed more, and it now sports an LCD display that offers DoF indicators for the currently selected focal length, or (press a button) the FoV of the lens - which seems superfluous, considering lens focal length is printed on the focusing ring about 1 cm above!  For those using an ASP-C body it does give the equivalent FoV values automatically. Finally, after another press it gives you the degree of shake experienced by the lens.   Personally, I have little use for any of these so I would tend to leave the display off, but that's my choice.

The body is still not weather sealed but the rear element, located flush with the metal plate at the rear of the lens, is fixed in place, so it may offer some resistance to bellows effect.  The lens still extends and retracts like the old one.  Operation is smooth and silent.

The autofocus is accurate and blazingly fast thanks to the Nano USM motor that combines best of STM and ring-type USM - I can see this appearing in more lenses.  I did not find it was hunting as the MkI did on a few occasions.  This is an amazing performer in that area.

IS offers 4 stops compared to the claimed 3 of the MkI and it seems to hold onto that.  Which is just as well as my research and own experience indicates that the variable aperture of this lens loses its wider capacity faster as one increases the focal length than the earlier model.  From what I have read this is seen as a result of the more complex optical construct of the lens. 

Being almost silent it is likely a much more suitable candidate for video, or for quiet stills shooting than the previous one.  Still if you don't do video (as I don't) that is less of an issue unless you are concerned about disturbing your subjects - say at a wedding...

In terms of distortion, vignetting etc.  I found both the lenses performed reasonably well in both areas - the focal range of tele-zoom is much less challenging than one going from wide to tele, such as the 24-105 or the 18-135.  I had no difficulty in letting the PP software do its magic to make the appropriate corrections.

Performance on FF vs APS-C.  This was interesting to me...  I tried both the units on a canon 650D (T4i Rebel), a 60D, 80D, 7DII and 5DIII.   I found the units seemed to render similarly excellent results, especially considering they are two crop and a FF body respectively.  I still got good results with the Rebel.  I will hazard no inference here simply report my own experience and perception.

A variety of photos taken with the Mk II lens: all were hand-held, using available light.

Canon EOS 7DMkII, EF 70-300MkII@ 189mm, f/8, 1/1000sec, ISO-200Canon EOS 7DMkII, EF 70-300MkII@ 189mm, f/8, 1/1000sec, ISO-200
Canon 7DMkII, EF-70-300 f4-5.6 II USM @ 189mm, f/8, 1/1000sec, ISO-200

Tronhard_6-1674237145427.jpeg
Canon EOS 5DmkIII, EF 70-300 f/4-5.6, IS USM MkII, 135mm, f/8, 1/80sec, ISO-100

Tronhard_7-1674237145461.jpeg
Canon EOS 5DmkIII, EF 70-300 f/4-5.6, IS USM MkII, 187mm,  f/8, 1/250sec, ISO-1000

Tronhard_8-1674237145468.jpeg
Canon EOS 80D, EF 70-300 f/4-5.6 IS USM MkII, 300mm, f/10, 1/15 sec, ISO-200
 (shot through double-glazed window)

Tronhard_9-1674237145474.jpeg
Canon EOS 80D, EF 70-300 IS USM MkII, 278mm, f/5.6, 1/250 sec, ISO-100
The subject is about 2.5cm (1”) in diameter

Tronhard_10-1674237145483.jpeg
Canon 7DMkII, 135mm, f9, 1/250sec, ISO 800

Tronhard_11-1674237145593.png
5DMkIII, 200mm, f9, 1/500sec, ISO 200

One of the great tests of a lens is to see how much you can crop one of its images and still get something decent, especially given the very low light environment in which I was shooting, hand-held.
I took the EF 70-300MkII out to the Tiritiri Open Sanctuary and along the way took this shot:

5D3_5860a copy.jpg
Gory details:  Canon 80D, 300mm, f8, 1/50 sec, ISO 1600

So after a bit of cropping, I got this:
5D3_5860a crop copy.jpg

For second opinions on the EF 70-300 IS USM MkII lens see these links to reviews by Justin Abbott:

Canon EOS Lens - Introducing the EF 70 300mm f4 5 6 IS II USM - YouTube Rudy Winston, Canon Technical expert
RESOLUTION and FINAL VERDICT and Canon EF 70-300 IS II USM | Sharp or Not? - YouTube

Neither of these units should be compared to the fabulous Canon EF 70-300mm f/4-5.6L IS USM.

 

Canon EF 70-300mm f/4-5.6L IS USM

Tronhard_14-1674237145643.jpeg

 

The top-of-the-line lens in this range is the L version: relatively light, small form factor, incredibly sharp and responsive, and with beautiful, rich tones - but about 3 times the price of the new EF 70-300 F4.0-5.6 IS II USM, so I see these as aimed at completely different markets, and one has to consider that when judging them.  

This lens is a older than the MkII non-L version, but this lens is best for the professional who needs reliability, robustness, and outstanding consistent performance.  See the following video:

Some sample shots from EF 70-300L the lens, all hand-held.

 

Tronhard_15-1674237145663.jpeg
Canon EOS 60D, 76mm, f/8, 1/160 sec, ISO-200

 

Tronhard_16-1674237145669.jpeg
EOS 7DMkI, 182mm, f/6.3, 1/100 sec, ISO 320

Tronhard_17-1674237145686.jpeg
Canon EOS 7DMkII, 140mm, f/9, 1/160 sec, ISO-320

The following two image were taken, again hand-held, on the totally unforgiving Canon EOS 5DsR, a 51MP monster that cancels out the Anti-Aliasing Filter to offer stunning detail, but will show any lens or technique flaws.  The images have had to be massively downsized to publish.  The second is a 100% crop of the first image.

Tronhard_18-1674237145700.jpeg
Canon EOS 5DsR, Canon EF-L 70-300 f/4-5.6 IS USM @150mm, f/5, 1/200 sec, ISO-200

Tronhard_19-1674237145713.jpeg

The following shot was taken with the lens adapted via the Canon EF-RF adapter to the Canon EOS R6, and it has performed equally well on the more demanding R5.
Canon EOS R6, EF70-300L@ 300mm, f/6.3, 1/320sec, ISO-500Canon EOS R6, EF70-300L@ 300mm, f/6.3, 1/320sec, ISO-500

Reviews of the 70-300L version:
Canon EF 70-300mm f/4-5.6L IS USM Long Term Review - YouTube after 5 years of use.

Conclusion:

Being an EF rather than EF-S lens, any of the versions of the EF 70-300 F4.0-5.6 is worth considering as a great upgrade lens for those leaving the standard kits lenses, or those who need the extra reach of the 70-300mm rather than one of the 70-200 EF L models.  They offer excellent value for money at different price points, but all are great investments.

 


cheers, TREVOR

"The Amount of Misery expands to fill the space available"
"All the variety, all the charm, all the beauty of life is made up of light and shadow", Leo Tolstoy;
"Skill in photography is acquired by practice and not by purchase" Percy W. Harris
39 REPLIES 39

I had suggested that I would give another review of the Canon 70-300 MkII lens. 

 

I have been shooting a lot with other gear, but I promised to take a couple of shots in retrospect to this thread to see if I still felt that this was a good lens within it marketplace - specifically a step up from a kit lens but not as big an investment as the fabulous 70-300 L lens.

 

This shot was taken at the gannet colony located at Muriwai on the west coast of N.Z.'s North Island about 45km from downtown Auckland.  As such it is the most accessible colony in the world, with car parking and even a cafe within a few hundred metres of the colony.

 

So...  This is the crop of a shot taken hand-held of a flying gannet carrying nesting materials.  The poor fellow was distracted by the seaweed flapping into his eyes, and his landing was more of a controlled crash than anything else.

 

7D2_1909c.jpg

Details.  Canon 7DMkII, EF-70-300 f4-5.6 II USM @ 189mm, f/8, 1/1000sec, ISO-200

 

I still think this lens offers great results for the investment.


cheers, TREVOR

"The Amount of Misery expands to fill the space available"
"All the variety, all the charm, all the beauty of life is made up of light and shadow", Leo Tolstoy;
"Skill in photography is acquired by practice and not by purchase" Percy W. Harris

Very nice image Tronhard!

 

Rodger

EOS 1DX M3, 1DX M2, 1DX, 5DS R, M6 Mark II, 1D M2, EOS 650 (film), many lenses, XF400 video

"Very nice image Tronhard!"

 

+1

EB
EOS 1DX and 1D Mk IV and less lenses then before!

What I should have mentioned is that the lightning fast focusing system of this lens made images like this much easier to get.  The nano tech is definitely a huge improvement and I hope will appear in the newer lenses - maybe even RF lenses as a matter of course.


cheers, TREVOR

"The Amount of Misery expands to fill the space available"
"All the variety, all the charm, all the beauty of life is made up of light and shadow", Leo Tolstoy;
"Skill in photography is acquired by practice and not by purchase" Percy W. Harris

I found a couple of shots that I took with the 70-300 MkII while on a trip to the zoo a while back.

 

Canon EOS 5DmkIII, EF 70-300 f/4-5.6, IS USM MkII, 135mm, f/8, 1/80sec, ISO-1000

5D3_6186a LR.jpg

 

Canon EOS 5DmkIII, EF 70-300 f/4-5.6, IS USM MkII, 187mm,  f/8, 1/250sec, ISO-1000

5D3_6191a LR.jpg


cheers, TREVOR

"The Amount of Misery expands to fill the space available"
"All the variety, all the charm, all the beauty of life is made up of light and shadow", Leo Tolstoy;
"Skill in photography is acquired by practice and not by purchase" Percy W. Harris

Hope there was a cage in between! Smiley Wink

EB
EOS 1DX and 1D Mk IV and less lenses then before!


@ebiggs1 wrote:

Hope there was a cage in between! Smiley Wink


Hi Ernie:

 

I hope you and yours are keeping well and safe. Smiley Happy

 

Actually there was just a waist-high wall with glass above to chest height.  These monitors didn't seem too bothered - they were probably well fed and just enjoying being out in the sun.


cheers, TREVOR

"The Amount of Misery expands to fill the space available"
"All the variety, all the charm, all the beauty of life is made up of light and shadow", Leo Tolstoy;
"Skill in photography is acquired by practice and not by purchase" Percy W. Harris

Trevor all is well here and I hope so down under!  Thought about you guys.

 

Just hope those creatures don't want a little variety in their diet sometime. Smiley Wink

EB
EOS 1DX and 1D Mk IV and less lenses then before!


@ebiggs1 wrote:

Trevor all is well here and I hope so down under!  Thought about you guys.

 

Just hope those creatures don't want a little variety in their diet sometime. Smiley Wink


As a country we are doing really well compared to most.  Our Prime Minister is regarded by international observers as probably the best at handling the Coverd-19 in the world, and her government's level of support is at around 88%, which is phenomenal when one considers we have had major restrictions for about 6 weeks.  The government came out rapidly with a stepped system of managment that was easy to understand (The Government's Website).  We, like our neighbours Australia, are fortunate to be island states, so we closed our borders early to all but NZ citizens and residents and repatriated over 100,000 visitors back to their countries on a voluntary basis.  Anyone returning to NZ was put into 14 days lockdown in a managed facility (usually a flash hotel).  It worked: as indicated by the graph I posted in another thread but repeat here.  Our country's death toll remains at 21, all older people with underlying conditions and over 90% of identified cases have recovered.

COVID daily values.jpgIt was a big ask, but the vast majority of people complied because of the fantastic communication skills displayed by the government, led by our PM, Jacinta Ardern.  The following editorial in our major NZ paper last night posted a good, balanced account if it: Article on Communication and Leadership.

 

Without doubt, coming out of restrictions is a much more difficult thing than initating them, and the general consensus is that we are handling it well, but of course the longer game still lies ahead of us.  Returning to a more active economy - difficult for a country whose major business is tourism.  We plan to have our borders closed for a long time, apart from the possibilty of an association with Australia, which is also doing reasonably well and with which we have major econcomic, social and cultural ties.  Both countries are keen but will manage that carefully based on neither causing infections in the other.

 

Our family is being super conservative, so while NZ is returning to a semi-normal state in Level 2, we will still keep much to ourselves.  My partner Hilary can work from home and hopes to do that until she is likely to retire at the end of the year.  Much of my time is spent supporting her, but I have worked with a meetup.com group to set up a daily virtual meetup with the challenge to take an post at least one photo per day.  It has kept a bunch of us entertained!


cheers, TREVOR

"The Amount of Misery expands to fill the space available"
"All the variety, all the charm, all the beauty of life is made up of light and shadow", Leo Tolstoy;
"Skill in photography is acquired by practice and not by purchase" Percy W. Harris

Smiley Happy

EB
EOS 1DX and 1D Mk IV and less lenses then before!
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