Review: TTArtisan 100mm F2.8 2x Macro lens. Full frame & Medium format. Performance & limitations

Macro lens review: TTArtisan 100mm F2.8 2x Macro lens available for E/X/Z/RF/L/GFX/EF/F-mounts. Tested on Canon ful frame 5DS and Fujifilm GFX100S medium format. Is this £250 fully manual macro lens worth using? Looking at build and handling, along with practical examples of using the lens. Includes a brief comparison with the Canon MP-E65mm. This lens was kindly supplied by Pergear https://www.pergear.com/products/ttar... For a short look at the older tilt/shift version, see    • TTArtisan 100mm f/2.8 2x macro Tilt/Shift ...   Helicon Focus: 3 detailed articles about using it for focus stacking https://www.northlight-images.co.uk/h... https://www.northlight-images.co.uk/h... https://www.northlight-images.co.uk/h... 00:00 - Introduction to the TTArtisan 100mm F2.8 Macro 00:44 - Adapting the EF Mount to Fujifilm GFX 01:57 - My Professional Macro Setup & Stand 03:36 - Using a Memory Module for Technical Testing 04:30 - Tethered Shooting & Focus Stacking Software 05:28 - Real-World Performance: Cactus Test & Diffraction 06:16 - Comparing to the Canon MP-E 65mm 06:44 - Optical Design & Internal Movements 07:54 - Reading MTF Charts: What They Really Tell You 08:55 - Medium Format vs. 35mm Crop Mode Performance 09:31 - Analysing Vignetting at 2x Magnification 11:32 - 1:1 Magnification & Working Distance 12:33 - Hard Vignetting at Infinity on Medium Format 13:44 - Why Tilt/Shift was Removed for the Macro Version 14:45 - Continuous Lighting & Outdoors Flash Options 16:17 - Chromatic Aberration & Out-of-Focus Highlights 17:11 - Macro Depth of Field Challenges in the Garden 18:48 - Backlighting & Flare Resistance Experiments 20:26 - Verdict: Is a Budget 2x Macro Worth It? 23:45 - Next Up: Canon imagePROGRAF PRO-1100 Preview See also my simple [and inexpensive] camera mount system for macro photography:    • Stop Camera Vibration: DIY Focus Stacking ...   The GC30 lamp I'm using is covered here: https://www.northlight-images.co.uk/v... #TTArtisan #MacroLens #Photography #LensReview #FullFrame #MediumFormat #MacroPhotography #CameraGear #PhotographerTips For a full categorised index of all my videos, see: https://www.northlight-images.co.uk/k... ----------------- US Purchase links - NOT affiliate links Sony E mount: https://amzn.to/47es4Hi Nikon Z mount :https://amzn.to/4e3WgqB FUJI mount: https://amzn.to/4g89NPK Nikon F mount: https://amzn.to/4dCOkNg L mount: https://amzn.to/3AH7FhV Canon RF-Mount: https://amzn.to/4cRFsCe GFX mount: https://amzn.to/4cKgwg4 Canon EF: https://amzn.to/3z1SRd3 Pergear: https://www.pergear.com/products/ttar... If you'd like to make a small donation, I have a Kofi page: "Buy me a coffee" https://ko-fi.com/keithcooper ----------------- My articles and videos are always free to access. Any help with running this channel is gratefully received. ----------------- I also have some affiliate links which earn me a commission if used. US Amazon photo/print gear: https://amzn.to/3l9vJC6 B&H Photo: https://www.bhphotovideo.com/?BI=2008... Adorama: https://www.adorama.com/?utm_source=r...