Latest or all posts or last 15, 30, 90 or 180 days.
Upgrade the memory of your 2020 iMac up to 128GB
877-865-7002
Today’s Deal Zone Items... Handpicked deals...
$1199 $779
SAVE $420

$250 $200
SAVE $50

$1699 $1299
SAVE $400

$1499 $1149
SAVE $350

$200 $140
SAVE $60

$89 $69
SAVE $20

$120 $35
SAVE $85

$178 $148
SAVE $30

$3498 $2998
SAVE $500

$3699 $1299
SAVE $2400

$1000 $700
SAVE $300

$3899 $1499
SAVE $2400

$748 $648
SAVE $100

$2999 $1999
SAVE $1000

$1699 $999
SAVE $700

$1698 $1398
SAVE $300

$4499 $4499
SAVE $click

$1399 $1049
SAVE $350

$1149 $799
SAVE $350

$1399 $1049
SAVE $350

$1498 $1198
SAVE $300

$2797 $2597
SAVE $200

$280 $250
SAVE $30

$1699 $1299
SAVE $400

$8399 $7599
SAVE $800

$899 $799
SAVE $100

$1499 $1499
SAVE $click

$1699 $1299
SAVE $400

OWC Envoy Express

World’s first Thunderbolt 3 M.2 NVME SSD enclosure.

Super fast, bus-powered, 3.3 oz, DIY easy, rugged and compact!


See also OWC Express 4M2
√ No more slow and noisy hard drives!

Leica M Monochrom Typ 246: “Black Dot in White Spot” Artifacts

Get Leica M Monochrom Typ 246 at B&H Photo.

Update 6 July 2015: I received a note from Leica saying that the issue is reproducible on their end and that the behavior is being researched.

...

I’m not sure what to make of this bizarre artifact, which is seen even with sharpening set to zero in Adobe Camera Raw. Is it a sensor defect, a camera defect, a raw converter issue? I don’t know, but I would not be a buyer of the Leica M Typ 246 until the answer becomes clear. I hope to see the issue appear reproduced using another raw converter besides ACR (thus ruling out the raw converter), but so far Iridient Developer won’t open the DNGc files even though it ostensibly supports the MM246.

UPDATE: I have confirmed with Brian Griffith of Iridient Digital that the spots are seen when converting with Iridient Developer. So unfortunately the black spots are “baked in” to the raw file.

Leica M Typ 246: Black Dots on White Spots Artifacts

Two entirely different examples are shown which are consistent in the behavior, both at ISO 320, so this is not a noise issue (besides, it is not random at all, but 100% predictable as a black dot inside a small white spot). Use of a 10X magnifying loupe on the actual fabric shown below proves that these dark spots do not exist in reality. Other images suggest a reverse “white spot in black dot” issue as well, but I need to confirm that with more than one image.

It looks to me like a camera/sensor defect and I strongly suspect the damage is baked into the raw files I shot. But I retain a small hope that it’s the ACR engine, not the raw file itself.

Black-dot-in-white-spot artifacts in Leica M Typ 246 image (actual pixels)
Black-dot-in-white-spot artifacts in Leica M Typ 246 image (200% of actual pixels)

This image, gorgeous in its tones, but has tiny little pimples all over the image (plain to see in the full-size image).

Ancient Bristlecone Pines
f11 @ 0.5 sec, ISO 320; 2015-06-01 19:41:44
LEICA M MONOCHROM (Typ 246) + Elmar-M 1:3.8/24 ASPH

[low-res image for bot]
OWC Thunderblade Thunderbolt 3 SSD

Blazing fast, up to 16TB.

YEE HAH!



√ No more slow and noisy hard drives!
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!

Our trusted photo rental store
View all handpicked deals...

LG UM7370PUA 70" Class HDR 4K UHD Smart LED TV
$1199 $779
SAVE $420

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.