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2021-11-27 Canon RF 24-70mm f/2.8L Aperture Series @ 70mm: Curious Cattle under Cottonwoods

2021-11-27 Canon RF 24-70mm f/2.8L Aperture Series @ 24mm: Cottonwoods along Irrigation Ditch

2021-11-26 Canon RF 24-70mm f/2.8L Aperture Series @ 70mm: Cottonwoods and Cattle

2021-11-26 Canon RF 24-70mm f/2.8L Aperture Series @ 56mm: Cottonwoods and Cattle

2021-11-15 Canon RF 15-35mm f/2.8L Aperture Series @ 24mm: Ancient Log

2021-11-14 Canon RF 15-35mm f/2.8L Aperture Series @ 35mm: Aerial View of Pine Creek Mine

2021-11-13 Canon RF 15-35mm f/2.8L Aperture Series @ 27mm: Riparian Tree Trunks

2021-11-12 Canon RF 15-35mm f/2.8L Aperture Series @ 15mm: Grey Mud Oozes from Cliff

2021-11-11 Erratic Exposure with Canon EOS R5 + Canon RF 15-35mm f/2.8L — Lens Fails to Stop Down 

2021-11-11 Canon RF 24-70mm f/2.8L Aperture Series @ 43mm: Mt Whitney Fish Hatchery Building

Canon EOS R

Canon’s first full-frame mirrorless..

  1. Introduction to Canon EOS R
  2. White Balance and Tint in Adobe Camera Raw
  3. Canon Mount Adapter EF-EOS R
  4. Benefits of Adobe Camera Raw “Enhance Details”

Canon EOS R5

Canon’s high-res mirrorless..

  1. Introduction to Canon EOS R5
  2. Canon EOS R5 Ergonomics
  3. Erratic Exposure Due to Failure of Lens to Stop Down
  4. Erratic/Unreliable Auto Exposure Heavily Coupled to Autofocus Point
  5. Mitigating Auto Exposure Errors for Superior Captures, Lower Noise and Higher Dynamic Range
  6. Destruction of Image Sharpness by Image Stabilization
  7. Focusing Accuracy

Canon RF 14-35mm f/4L IS USM

Compact ultra-wide zoom..

  1. Introduction to Canon RF 14-35mm f/4L IS USM
  2. Distortion and Distortion Correction
  3. Aperture Series @ 14mm: Big Laurel at Bend in Alpine Creek
  4. Shootout @ 24mm vs Canon RF 15-35/2.8L, Canon RF 24-70/2.8L: Alpine Creek

Canon RF 15-35mm f/2.8L IS USM

Fast ultra wide zoom lens..

  1. Introduction to Canon RF 15-35mm f/2.8L IS USM
  2. Distortion and Distortion Correction
  3. Examples: Eastern Sierra
  4. Aperture Series @ 15mm: Big Laurel at Bend in Alpine Creek
  5. Aperture Series @ 16mm: Lundy Beaver Pond and High Peaks at Dusk
  6. Aperture Series @ 15mm: Grey Mud Oozes from Cliff
  7. Aperture Series @ 24mm: Ancient Log
  8. Aperture Series @ 27mm: Riparian Tree Trunks
  9. Aperture Series @ 35mm: Aerial View of Pine Creek Mine
  10. Shootout @ 24mm vs Canon RF 14-35/4L, Canon RF 24-70/2.8L: Alpine Creek

Canon RF 16mm f/2.8 STM

Compact ultra-wide..

  1. Introduction to Canon RF 16mm f/1.8 STM

Canon RF 24-70mm f/2.8L IS USM

Fast standard zoom lens..

  1. Introduction to Canon RF 24-70mm f/2.8L IS USM
  2. Distortion and Distortion Correction
  3. Examples: Backyard
  4. Examples: Eastern Sierra
  5. Shootout @ 24mm vs Canon RF 15-35/2.8L, Canon RF 14-35/4L: Alpine Creek
  6. Aperture Series @ 24mm: Cottonwoods along Irrigation Ditch
  7. Aperture Series @ 43mm: Mt Whitney Fish Hatchery Building
  8. Aperture Series @ 56mm: Cottonwoods and Grazing Cattle
  9. Aperture Series @ 70mm: Cottonwoods and Grazing Cattle
  10. Aperture Series @ 70mm: Curious Cattle under Cottonwoods

Canon RF 24-105mm f/4L IS USM

Bread and butter all-around zoom..

  1. Introduction to Canon RF 24-105mm f/4L IS USM
  2. MTF for Canon RF 24-105mm f/4L IS USM
  3. Color Fringing (Lateral Chromatic Aberration) with/without Correction
  4. Aperture Series @ 24mm: Late Day Light on Bear Lake
  5. Aperture Series @ 39mm: View Down Aspen-Lined Trail to Spire Lake Peak
  6. Aperture Series @ 50mm: View Over Lower Morgan Lake to High Peak
  7. Aperture Series @ 56mm: Logjam at Outlet of Bear Lake
  8. Aperture Series @ 105mm: View Past Bear Lake to Spire Peak

Canon RF 28-70mm f/2L USM

Bread and butter all-around zoom..

  1. Introduction to Canon RF 28-70mm f/2L USM
  2. MTF for Canon RF 28-70mm f/2L USM
  3. Examples: Exploring Varied Aspects of Performance
  4. Lateral Chromatic Aberration
  5. Aperture Series @ 28mm: Architecture and Stars At Night
  6. Aperture Series @ 31mm: Bird Bath Courtyard
  7. Aperture Series @ 37mm: Rear of Church
  8. Aperture Series @ 40mm, 70mm: Night Lights
  9. Aperture Series @ 41mm: Oak Tree Sunstar
  10. Aperture Series @ 58mm: Architecture and Stars At Night
  11. Aperture Series @ 63mm: MemChu at Dusk
  12. Aperture Series @ 70mm: Orange Poppy and Chair
  13. Aperture Series @ 70mm: Condensation Inside Taillight
  14. Aperture Series @ 70mm: Bokeh with Out-of-Focus Speculars
  15. Aperture Series @ 70mm: Beater Bikes Near Puddle
  16. Aperture Series @ 28mm: Mosaic
  17. Aperture Series @ 34mm: Mosaic
  18. Aperture Series @ 50mm: Mosaic
  19. Aperture Series @ 70mm: Mosaic
  20. Shootout: Canon RF 28-70mm f/2L vs Canon RF 35mm f/1.8 — Tenaya Creek Basin
  21. Shootout: Canon RF 35mm f/1.8 vs Canon RF 28-70mm f/2L — Bonsai Over Beaver Pond

Canon RF 35mm f/1.8 Macro STM

All-arounder compact lens with macro capability..

  1. Introduction to Canon RF 35mm f/1.8 Macro STM
  2. MTF for Canon RF 35mm f/1.8 Macro STM
  3. Focusing Accuracy on Canon EOS R5
  4. Aperture Series: Creekside Flowers
  5. Aperture Series: Lichen on Tree Trunk
  6. Aperture Series: Alpine Creek (EOS R5)
  7. Aperture Series for Bokeh: Alpine Creek Riparian Canopy(EOS R5)
  8. Shootout: Canon RF 28-70mm f/2L vs Canon RF 35mm f/1.8 — Tenaya Creek Basin

Canon RF 50mm f/1.2L USM

High speed normal lens optimized for Canon mirrorless..

  1. Introduction to Canon RF 50mm f/1.2L
  2. MTF for Canon RF 50mm f/1.2L
  3. Examples at f/1.2: Late Dusk, Beaver on the Loose
  4. Examples: Lundy Canyon Evening
  5. Aperture Series: Aspen Against Sunset Glow
  6. Aperture Series: Beaver Pond With Dead Tree Set Against Lower Mountainside
  7. Aperture Series: Huge Boulder in Beaver Pond
  8. Aperture Series: Sprinter Headlights at Dusk
  9. Aperture Series: Lone Survivor Aspen
  10. Aperture Series: Beaver-Knawed Aspen Spotlighted for Destruction
  11. Aperture Series: Beaver Pond Beaver Trail Through Reeds
  12. Aperture Series: Colorful Boulder in Beaver Pond
  13. Conclusions

Canon RF 50mm f/1.8 STM

Compact ultralight standard lens..

  1. Introduction to Canon RF 50mm f/1.8 STM
  2. Aperture Series: Upper Pine Creek

Canon RF 85mm f/1.2L USM

High speed portrait lens optimized for Canon mirrorless..

  1. Introduction to Canon RF 85mm f/1.2L
  2. White Balance and Tint Across Apertures
  3. Examples: Eastern Sierra
  4. Aperture Series: Lingering July Ice on Exfoliating Granite
  5. Aperture Series: Sunset Glow on Tenaya Creek
  6. Aperture Series: Mules Ears Flowering, Morning Light
  7. Aperture Series: Ghostly Aspen Trunks

Canon RF 85mm f/2 Macro IS USM

Fast macro lens..

  1. Introduction to Canon RF 85mm f/2 Macro IS USM

Canon RF 70-200mm f/2.8L IS USM

Fast telephoto zoom..

  1. Introduction to Canon RF 70-200mm f/2.8L IS USM

Canon RF 70-200mm f/4L IS USM

Compact telephoto zoom..

  1. Introduction to Canon RF 70-200mm f/4L IS USM

Canon RF 100-500mm f/4.5-7.1L IS USM

Compact super telephoto zoom..

  1. Introduction to Canon RF 100-500mm f/4.5-7.1L IS USM

Canon RF 600mm f/11 IS STM

Fast ultra wide zoom lens..

  1. Introduction to Canon RF 600mm f/11 IS STM

Canon RF 800mm f/11 IS STM

Fast ultra wide zoom lens..

  1. Introduction to Canon RF 800mm f/11 IS STM

Nikon NIKKOR Z 24-70mm f/2.8 S

Fast mid-range zoom expressly designed for Nikon Z cameras..

  1. Aperture Series @ 48mm: Burghers of Calais

Milvus 21mm f/2.8

The classic 21/2.8 Distagon improved..

  1. Aperture Series: Big Laurel at Bend in Alpine Creek (Canon 5DS R)

ZF.2/ZE 21mm f/2.8 Distagon

Brilliant imaging, even wide open, but with a few quirks. (Review in progress) .

  1. Aperture Series: Big Laurel at Bend in Alpine Creek (Canon EOS R5)

Otus 55mm f/1.4 APO-Distagon Rendering Style

Rendering style, bokeh and beauty..

  1. Aperture Series: Waterfall Amid Aspen (Canon EOS R)

Blog posts, reverse chronological

2021

2021-11-27 Canon RF 24-70mm f/2.8L Aperture Series @ 70mm: Curious Cattle under Cottonwoods

2021-11-27 Canon RF 24-70mm f/2.8L Aperture Series @ 24mm: Cottonwoods along Irrigation Ditch

2021-11-26 Canon RF 24-70mm f/2.8L Aperture Series @ 70mm: Cottonwoods and Cattle

2021-11-26 Canon RF 24-70mm f/2.8L Aperture Series @ 56mm: Cottonwoods and Cattle

2021-11-15 Canon RF 15-35mm f/2.8L Aperture Series @ 24mm: Ancient Log

2021-11-14 Canon RF 15-35mm f/2.8L Aperture Series @ 35mm: Aerial View of Pine Creek Mine

2021-11-13 Canon RF 15-35mm f/2.8L Aperture Series @ 27mm: Riparian Tree Trunks

2021-11-12 Canon RF 15-35mm f/2.8L Aperture Series @ 15mm: Grey Mud Oozes from Cliff

2021-11-11 Erratic Exposure with Canon EOS R5 + Canon RF 15-35mm f/2.8L — Lens Fails to Stop Down 

2021-11-11 Canon RF 24-70mm f/2.8L Aperture Series @ 43mm: Mt Whitney Fish Hatchery Building

2021-11-11 Canon EOS R5: Wildly Varying Evaluative Auto Exposure

2021-11-08 Canon RF 50mm f/1.8 STM Aperture Series: Upper Pine Creek

2021-11-08 Canon RF 15-35 f/2.8L Examples: Eastern Sierra

2021-11-07 Canon RF 24-70mm f/2.8L Examples: Eastern Sierra

2021-11-07 Canon EOS R5: Long Exposures and Image Stabilization are a Destructive Combination

2021-11-03 Canon RF 15-35mm f/2.8L Aperture Series @ 16mm: Lundy Beaver Pond and High Peaks at Dusk

2021-11-02 Zeiss ZE 21mm f/2.8 Distagon Aperture Series: Big Laurel at Bend in Alpine Creek (Canon EOS R5)

2021-11-01 SHOOTOUT @ 24mm: Canon RF 14-35/4L vs Canon RF 15-35/2.8L vs Canon RF 24-70/2.8L: Alpine Creek

2021-11-01 Canon RF 14-35mm f/4L Aperture Series: Big Laurel at Bend in Alpine Creek (Canon EOS R5)

2021-10-31 Canon RF 15-35mm f/2.8L, Canon RF 14-35mm f/4L , Canon RF 24-70mm f/2.8L Distortion Correction

2021-10-31 Canon RF 15-35mm f/2.8L Aperture Series: Big Laurel at Bend in Alpine Creek (Canon EOS R5)

2021-10-30 Canon RF 35mm f/1.8 Macro STM Aperture Series: Alpine Creek Riparian Canopy (Canon EOS R5)

2021-10-30 Canon RF 35mm f/1.8 Macro STM Aperture Series: Alpine Creek (Canon EOS R5)

2021-10-30 Canon EOS R5: Mitigating Auto Exposure Errors for Superior Captures, Lower Noise and Higher Dynamic Range

2021-10-29 Canon RF 35mm f/1.8 Macro STM: Focusing Accuracy on Canon EOS R5

2021-10-27 Comparing Lenses is Darn Challenging: Canon RF Zooms

2021-10-24 Canon EOS R5, a few Quick Impressions

2021-10-23 Canon EOS R5 Firmware Update v1.4.0

2021-10-20 Testing the Canon EOS R5 with Canon RF 14-35/2.8L and Canon RF 15-35/4L

2021-10-10 Review Status for Canon EOS R5 and Canon RF Lenses

2021-08-15 Canon EOS R5 and Canon RF Lenses

2021-04-13 Canon Gets Serious About Long Lenses for Canon EOS R5, Canon EOS R3

2021-03-15 Self Timer with Delayed-Initiation of Eye AF?

2021-03-13 Looking for Reader Suggestions: Best Ways to Acquire and Track Human and Animal Eyes

2021-03-01 3rd-Party Lenses for Nikon Z, Canon RF, Sony E, Fujifilm GF Mirrorless Cameras

2021-02-07 Reader Comment: Fujifilm GFX100S + Canon EOS R5 for Landscape and All-Around

2020

2020-09-02 Reader Comment: Transition to Mirrorless (UPDATED)

2020-07-10 Canon EOS R5 Supports Focus Stacking via “Focus Bracketing” Feature (but Canon EOS R6 lacks it)

2020-07-10 Canon EOS R Mirrorless System Now Has a Robust Lens Line

2020-07-09 Canon EOS R5 Ships Soon + Canon RF 85mm f/2 Macro IS STM, Canon RF 100-500mm F4.5-7.1 L IS USM, Canon RF 600mm f/11 IS STM, Canon RF 800mm f/11 IS STM

2019

2019-08-01 Canon RF 35mm f/1.8 IS Macro STM Aperture Series: Lichen on Tree Trunk

2019-08-01 Canon RF 28-70mm f/2L vs Canon RF 35mm f/1.8 Macro STM: Bonsai Over Beaver Pond

2019-07-31 Canon RF 85mm f/1.2L Aperture Series: Sunset Glow on Tenaya Creek

2019-07-31 Canon RF 85mm f/1.2L Aperture Series: Mules Ears Flowering, Morning Light

2019-07-31 Canon RF 85mm f/1.2L Aperture Series: Ghostly Aspen Trunks

2019-07-31 Canon RF 35mm f/1.8 Macro STM Aperture Series: Creekside Flowers

2019-07-31 Canon RF 28-70mm f/2L vs Canon RF 35mm f/1.8 Macro STM: Tenaya Creek Basin

2019-07-20 Breakthrough Photography 6-stop ND Polarizer for Motion Blur in Broad Daylight + Reader Comments

2019-07-11 Canon RF 85mm f/1.2L: Evaluating White Balance and Tint When Stopping Down

2019-07-11 Canon RF 85mm f/1.2L Aperture Series: Lingering July Ice on Exfoliating Granite (Canon EOS R)

2019-07-06 Canon EOS R + Canon RF 85mm f/1.2L

2019-07-05 Reader Comment: Canon EOS R “has brought the fun and results back”

2019-06-26 My Recommendations for a Core Canon Mirrorless System, Some with Deals

2019-06-20 Third-Party Lenses for Nikon Z Mirrorless and Canon EOS R Mirrorless

2019-06-20 Nikon NIKKOR Z 14-30mm f/4 S Distortion at 14mm, 19.5mm, 30mm

2019-05-28 Mirrorless Price Wars Offer Terrific Value, but No System Pulls It All Together

2019-05-12 Canon’s Sleeper Strategy: Produce the Best Mirorrless Lenses (by far), with High-Res Pro Body to Come?

2019-03-29 Is L-Mount in Your Photography Future? Thoughts on Being Locked-In to a Camera System (Sigma MC-21 Mount Converter)

2019-03-21 15+ Reader Comments on “Request for Feedback: How Best to Partition my Publication Offerings”

2019-02-26 Canon RF 28-70mm f/2L Aperture Series @ 63mm: MemChu at Dusk + Adobe Camera Raw “Enhance Details” Feature (Canon EOS R)

2019-02-26 Canon RF 28-70mm f/2L Aperture Series @ 58mm: Night Architecture and Stars (Canon EOS R)

2019-02-26 Canon RF 28-70mm f/2L Aperture Series @ 40mm, 70mm: Night Lights (Canon EOS R)

2019-02-25 Canon RF 28-70mm f/2L Examples: Exploring Varied Aspects of Performance (Canon EOS R)

2019-02-25 Canon RF 28-70mm f/2L Aperture Series @ 37mm: Rear of Church (Canon EOS R)

2019-02-25 Canon RF 28-70mm f/2L Aperture Series @ 31mm: Bird Bath Courtyard (Canon EOS R)

2019-02-24 Canon RF 28-70mm f/2L Aperture Series @ 28mm: Night Architecture and Stars (Canon EOS R)

2019-02-21 Reader Comment: Canon EOS R + Canon RF 50mm f/1.2L

2019-02-21 Canon RF 28-70mm f/2L Aperture Series @ 50mm: Mosaic (Canon EOS R)

2019-02-21 Canon RF 28-70mm f/2L Aperture Series @ 34mm: Mosaic (Canon EOS R)

2019-02-20 Canon RF 28-70mm f/2L Aperture Series @ 70mm: Mosaic (Canon EOS R)

2019-02-18 Reader Comment: Nikon Mirrorless or Canon Mirrorless

2019-02-18 Canon RF 28-70mm f/2L: What a Gorgeous Lens, Lots More Coming

2019-02-18 Canon RF 28-70mm f/2L Aperture Series @ 28mm: Mosaic (Canon EOS R)

2019-02-18 Canon Discounting Canon EOS RF Lenses + Thoughts on the Mirrorless Market

2019-02-13 Canon EOS RP: a 26-Megapixel Full-Frame Entry Level Mirrorless Camera Weighing only 1.07 Pounds

2019-02-13 Canon Announces More Canon RF Lenses for the Canon EOS R System, Due in 2019

2019-02-11 Canon RF 28-70mm f/2L Aperture Series: Oak Tree Sunstar (Canon EOS R)

2019-02-10 Canon RF 28-70mm f/2L Aperture Series: Orange Poppy and Chair (Canon EOS R)

2019-02-10 Canon RF 28-70mm f/2L Aperture Series: Condensation in Taillight (Canon EOS R)

2019-02-10 Canon RF 28-70mm f/2L Aperture Series: Bokeh with Out-of-Focus Speculars (Canon EOS R)

2018

2018-11-07 Subjective Impressions of the Leica 50mm f/0.95 Noctilux-M ASPH on the Nikon Z7 vs Canon RF 50mm f/1.2L on Canon EOS R

2018-11-04 Thoughts on a 'Nikon D850Z ' Transition Camera Combining Best of the Nikon D850 and Nikon Z7, Canon EOS R

2018-11-04 Review Conclusions on Canon RF 50mm f/1.2L USM

2018-11-04 Canon RF 50mm f/1.2L USM Examples at f/1.2: Lundy Canyon Evening

2018-11-03 Reader Question: Nikon Z7 or Canon EOS R for Portraits?

2018-11-03 Reader Question: Canon RF 50/1.2L USM vs Zeiss Otus 55mm f/1.4 APO-Distagon Plus White Balance and Tint

2018-11-02 Canon RF 50mm f/1.2L USM Examples at f/1.2: Beaver in Beaver Pond

2018-11-02 Canon RF 50mm f/1.2L USM Aperture Series: Beaver Pond Beaver Trail Through Reeds

2018-11-01 Canon RF 50mm f/1.2L USM Aperture Series: Survivor Aspen

2018-11-01 Canon RF 50mm f/1.2L USM Aperture Series: Sprinter Headlights, Late Dusk

2018-11-01 Canon RF 50mm f/1.2L USM Aperture Series: Huge Boulder In Beaver Pond

2018-11-01 Canon RF 50mm f/1.2L USM Aperture Series: Beaver-Knawed Aspen Spotlighted for Destruction

2018-11-01 Canon RF 50mm f/1.2L USM Aperture Series: Beaver Pond With Dead Tree Set Against Lower Mountainside

2018-11-01 Canon RF 50mm f/1.2L USM Aperture Series: Beaver Pond Beaver Trail Through Reeds

2018-11-01 Canon RF 50mm f/1.2L USM Aperture Series: Aspen Against Sunset Glow

2018-10-27 Zeiss Milvus 35mm f/1.4 Aperture Series: Aspen on Sagebrush Hillside Across Creek (Nikon Z7)

2018-10-27 Zeiss DSLR Lenses on Mirrorless Cameras

2018-10-19 Zeiss Otus 55mm f/1.4 APO-Distagon Aperture Series: Waterfall Amid Aspen (Canon EOS R)

2018-10-17 Canon RF 24-105mm f/4L IS Color Fringing (Lateral Chromatic Aberration) with/without Correction

2018-10-17 Canon RF 24-105mm f/4L IS Aperture Series @ 50mm: View Over Lower Morgan Lake to High Peak

2018-10-17 Canon RF 24-105mm f/4L IS Aperture Series @ 39mm: View Down Aspen-Lined Trail to Spire Lake Peak

2018-10-16 Canon RF 24-105mm f/4L IS Aperture Series @ 56mm: View Past Bear Lake to Spire Peak

2018-10-16 Canon RF 24-105mm f/4L IS Aperture Series @ 24mm: Late Day Light on Bear Lake

2018-10-16 Canon EOS R: White Balance and Tint in Adobe Camera Raw using Datacolor SpyderCHECKER

2018-10-15 Canon RF 24-105mm f/4L IS Aperture Series @ 105mm: View Past Bear Lake to Spire Peak

2018-10-13 Canon EOS R, Shooting it Today

2018-09-07 Expectations for Performance of the Canon RF 50mm f/1.2L: One of Many New Lenses in a Golden Age of Optics

2018-09-07 Expectations for Performance of the Canon RF 28-70mm f/2L: Canon’s “Halo Lens” in a Golden Age of Optics

2018-09-07 Canon RF 24-105mm f/4 IS vs Nikon NIKKOR Z 24-70mm f/4 S: What Does the MTF Chart Tell Us?

2018-09-06 Implications of Flange Focal Distance for Adapting Sony Mirrorless Lenses for the Canon Mirrorless RF-Mount and Nikon Mirrorless Z-Mount

2018-09-05 Canon EOS R Mirrorless System Announced

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