Search found 41 matches
- Fri Feb 07, 2020 11:14 pm
- Forum: Equipment Discussions
- Topic: Laowa 2.5-5x vs Raynox MSN 202 +telephoto vs LOM 3.7 on m43
- Replies: 9
- Views: 2708
Full frame equivalent aperture is applied when the magnification intended for MFT is half that of FF vertically, in order that the MFT image fill the frame in the same way as the FF image. To make a bug fill the frame of an FF image, by comparison to an MFT sensor, I need the bug to take up twice th...
- Fri Feb 07, 2020 10:44 pm
- Forum: Macro and Micro Technique and Technical Discussions
- Topic: Deconvolution of diffraction/Capture one pro 10
- Replies: 11
- Views: 9228
Well, this has been informative. It's pretty clear that deconvolution sharpening is just another form of contrast enhancement -- albeit perhaps a smart one -- making informed decisions on the desired manipulations in the frequency domain. So we are left with guessing as the best (only?) way to 'reco...
- Tue Jan 14, 2020 10:47 am
- Forum: Equipment Discussions
- Topic: my positioning stack: X, Y, yaw, pitch
- Replies: 43
- Views: 13667
- Wed Jan 08, 2020 4:32 pm
- Forum: Equipment Discussions
- Topic: Close-up filters
- Replies: 11
- Views: 1388
If the lens is telecentric on the sensor side, then the angle of light rays through the exit pupil, from the perspective of the sensor, doesn't change much with extension. If the incident light rays don't change, the EA doesn't change. So then it does stand to reason that the increase in diffraction...
- Fri Feb 01, 2019 10:18 pm
- Forum: Equipment Discussions
- Topic: Will I get more resolution/information?
- Replies: 65
- Views: 12509
- Tue Jan 15, 2019 6:12 pm
- Forum: Equipment Discussions
- Topic: Which camera bodies have fully electronic shutter?
- Replies: 39
- Views: 12767
- Sat Dec 22, 2018 2:11 pm
- Forum: Equipment Discussions
- Topic: Lomo 3.7x Objective Extension vs Stacked Test Images
- Replies: 20
- Views: 9387
- Mon Dec 17, 2018 10:18 am
- Forum: Equipment Discussions
- Topic: A new toy .. "Focus Bracketing"
- Replies: 19
- Views: 11226
- Mon Dec 17, 2018 9:19 am
- Forum: Equipment Discussions
- Topic: A new toy .. "Focus Bracketing"
- Replies: 19
- Views: 11226
- Fri Dec 14, 2018 9:29 am
- Forum: Equipment Discussions
- Topic: DiMAGE 5400 sweet spot
- Replies: 10
- Views: 3474
- Fri Dec 14, 2018 9:25 am
- Forum: Equipment Discussions
- Topic: Lens Tests in Progress Coming Soon 2018
- Replies: 25
- Views: 7293
- Sun Dec 09, 2018 5:51 pm
- Forum: Equipment Discussions
- Topic: Schneider Componon 35mm F2.8 2.8/35 LINE SCAN LENS TEST
- Replies: 9
- Views: 3412
- Fri Dec 07, 2018 12:45 pm
- Forum: Equipment Discussions
- Topic: adventures in flocking
- Replies: 5
- Views: 1829
- Wed Nov 28, 2018 9:49 pm
- Forum: Equipment Discussions
- Topic: Makro-Symmar HM 120mm
- Replies: 32
- Views: 20031
So which lens do you think would perform better in a lens stack? Makro-symmar 1x 120, APO-Digitar Macro 120 1x or APO-Digitar normal 120? Thats the question :D Not sure, but Aperture Mount NK-0 is the device you want in order to use a normal Digitar. This is Schneider's Copal 0 compatible aperture....
- Thu Nov 22, 2018 12:03 pm
- Forum: Equipment Discussions
- Topic: Anatomy, A DIY Precision S & S System (Electronics)
- Replies: 7
- Views: 6419