Latest or all posts or last 15, 30, 90 or 180 days.
Handpicked deals...
$3297 $2997
SAVE $300

$3397 $2997
SAVE $400

$150 $90
SAVE $60

$1398 $898
SAVE $500

$3698 $2998
SAVE $700

$2998 $2498
SAVE $500

$1999 $1588
SAVE $411

$1799 $1299
SAVE $500

$1999 $1199
SAVE $800

$2299 $1599
SAVE $700

$2399 $2049
SAVE $350

$2799 $2399
SAVE $400

$2799 $1899
SAVE $900

$1199 $898
SAVE $301

$1349 $1049
SAVE $300

$997 $897
SAVE $100

$2099 $1699
SAVE $400

$1798 $1598
SAVE $200

$1999 $1369
SAVE $630

$1999 $1599
SAVE $400

$1999 $1588
SAVE $411

$1299 $1169
SAVE $130

$1329 $929
SAVE $400

$4499 $3999
SAVE $500

$399 $329
SAVE $70

$1499 $999
SAVE $500

$1499 $1299
SAVE $200

$1299 $1124
SAVE $175

$2199 $1999
SAVE $200

$3399 $2199
SAVE $1200

$396 $296
SAVE $100

Leica M Monochrome with Color Filters and Leica 50mm f/2 APO-Summicron-M ASPH

Leica 50mm f/2 APO-Summicron-M ASPH

The Leica 50mm f/2 APO-Summicron-M ASPH is arguably Leica’s flagship lens. So how well corrected is it for color? Really well, and as good as other Leica M APO lenses, but that is a relative statement of course.

The visible spectrum does not focus in the same plane unless the lens is something really special.

An APO (apochromatic) lens makes some (undefined) extra optical effort to reduce the disparity in the plane of focus across the visible light spectrum (primary longitudinal chromatic aberration aka LOCA and secondary longitudinal chromatic aberration) as well as correcting color fringes (lateral chromatic aberration).

But shoot with colored filters on a monochrome high-resolution digital camera such as the Leica M Monochrom: this is unforgiving of errors. It quickly becomes clear just how well corrected a lens is (or isn’t) for longitudinal chromatic aberration by the simple result of focus accuracy.

Read Focus Shift with Color Filters on M Monochrom.

Filters assessed and compared to unfiltered include blue, green, yellow, light orange, orange, red, dark red.

Focus shift with color filtration: focus should be at “0”
Leica M240 + Leica 50mm f/2 APO-Summicron-M ASPH @ f/2 + filter

Save the tax, we pay you back, instantly!
View all handpicked deals...

Nikon Z 7 Mirrorless Digital Camera (Body Only)
$3397 $2997
SAVE $400

diglloyd Inc. | FTC Disclosure | PRIVACY POLICY | Trademarks | Terms of Use
Contact | About Lloyd Chambers | Consulting | Photo Tours
RSS Feeds | Twitter
Copyright © 2019 diglloyd Inc, all rights reserved.