Upgrade the memory of your 2018 Mac mini up to 64GB
877-865-7002
Today’s Deal Zone Items... Handpicked deals...
$249 $219
SAVE $30

$1649 $1199
SAVE $450

$250 $230
SAVE $20

$3899 $3599
SAVE $300

$2799 $2499
SAVE $300

$1450 $900
SAVE $550

$1199 $999
SAVE $200

$5699 $4699
SAVE $1000

$1799 $1349
SAVE $450

$2999 $2399
SAVE $600

$18599 $17099
SAVE $1500

$600 $400
SAVE $200

$249 $249
SAVE $click

$1149 $799
SAVE $350

$1499 $999
SAVE $500

$1799 $1349
SAVE $450

$1399 $1049
SAVE $350

$150 $50
SAVE $100

$380 $340
SAVE $40

$440 $440
SAVE $click

$249 $249
SAVE $click

$370 $330
SAVE $40

$420 $170
SAVE $250

$1597 $1097
SAVE $500

$1499 $699
SAVE $800

$1499 $699
SAVE $800

$420 $170
SAVE $250

$369 $200
SAVE $169

$1699 $1399
SAVE $300

$1498 $998
SAVE $500

$999 $949
SAVE $50

$1099 $999
SAVE $100

Save Big $$$$ on Memory for 2019 Mac Pro

Up to 65% better pricing than Apple

Lloyd recommends 32GB RDIMM modules for most users (more expensive LRDIMMS are for 512GB or more).


Canon EF 28mm f/1.8 USM

Last updated 2010-07-01 - Send Feedback
Related: Canon, Canon EF, Canon EF 28mm f/1.8, Canon lenses, video
Click to view Canon at B&H Photo

The Canon EF 28mm f/1.8 USM is notably larger in volume than the EF 28mm f/2.8, but still much smaller than Canon’s 35/1.4L.

Prime lenses (fixed focal length) can potentially be better performers than zooms because they can be optimized for just one focal length. That is, if they are optimized, as opposed to a lackluster design.

Build quality.

The lens is reasonably small and light, its biggest plus. No lens hood is supplied, but there is an unusual internal rectangular light baffle.

Build quality is decent as plastic goes, with reasonably good USM autofocus and usable manual focus.

Alternatives

Most users will opt for the 16-35mm f/2.8L II zoom (about $1700), and that is probably a smart move for its range and versatility in terms of focal length. But the zoom has hazy performance until f/2, so the 28/1.8 offers about two more stops of usable range, for low light shooting, or background blur with sharp focus— a different experience entirely from the zoom. Personally, I’d probably rather carry just the 28/1.8 for its smaller size and lighter weight, and shoot wider, handheld.

Canon’s own 24mm f/1.4L II is a better lens, but expensive (about $1699). Ditto for the Zeiss 21mm f/2.8 Distagon (about $1732). But of course for 5X the money you must expect more.

Another option is the Zeiss 28mm f/2, (about $1283), which offers similar speed and better optical performance, but is manual focus.

Of all these choices, I’d opt for the Canon 24/1.4L II for autofocus, or Zeiss for manual focus.

Canon EOS R5

NEW! Available for pre-order.

45 megapixels, 8K30 and 4K120 10-bit video, IBIS, 5.7 megadot EVF, 20 fps.

Specifications

The 28/1.8 has a quite good close focusing capability down to 1:5.5, which extends its versatility. Don’t underestimate the value of close focus as it can really be fun shooting up close in nature.

List price: $459 street price
Specifications for Canon EF 28mm f/1.8 USM
Aperture scale: f/1.8 - f/22
Filter size: 58mm
Image ratio at close range:            1:5.5
Minimum focus distance 10 inches
Angle of view 75° diagonally
Number of elements/groups: 10 elements in 9 groups
Weight:

0.68 pounds = 308g (nominal)

Dimensions (with caps): 2.4" in diameter, 2.2" in length

MTF

MTF for Canon EF 24mm f/2.8

The MTF chart is a bit hard to interpret with all the overlapping lines, but it shows a lens with plenty of astigmatism at f/8 and a good dollop of field curvature, which means that any comparison is going to be tricky, and will depend on where focus actually is set.

On EF-S cameras (1.6X crop), sharpness will stay high over the sensor (out to the ~11mm mark as shown on the graph), so it could be a good choice on such cameras.

Field comparison

Two different comparisons with extensive crops and a complete aperture series are available in DAP, in the Canon Wide Primes review.

Field comparison scene

Conclusions

At about $459, the 28/1.8 is worthy of consideration if you need a full-frame wide angle prime lens. Stopped down to f/5.6 - f/8 it offers fairly good image quality.

On EF-S 1.6X crop cameras, performance will be quite high, since the weaker edge and corner areas will just not be seen.

OWC Accelsior 4M2 PCIe SSD
6000 MB/sec!
Mac or PC.


Ideal for Lightroom, Photoshop, video.
Capacity up to 16TB!
OWC Envoy Pro EX SSD
Blazingly fast Thunderbolt 3 SSD!

Up to 4TB capacity, USB-C compatible.

USB-C model also available


Great for travel or for desktop!
OWC Thunderblade Thunderbolt 3 SSD

Blazing fast, up to 16TB.

YEE HAH!



√ No more slow and noisy hard drives!

Save the tax, we pay you back, instantly!

View all handpicked deals...

Apple iPad Pro 12.9" with Magic Keyboard Kit (256GB, Wi-Fi + 4G LTE, Space Gray, Previous Gen)
$1649 $1199
SAVE $450

diglloyd Inc. | FTC Disclosure | PRIVACY POLICY | Trademarks | Terms of Use
Contact | About Lloyd Chambers | Consulting | Photo Tours
RSS Feeds | Twitter
Copyright © 2020 diglloyd Inc, all rights reserved.