visualopsins
Joined: 05 Mar 2009
Posts: 11067
Location: California
Expire: 2025-04-11
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 Posted: Sun Mar 22, 2020 5:28 pm Post subject: |
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visualopsins wrote:
https://www.kickstarter.com/projects/samellos/im-back-low-cost-medium-format-digital-back
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Technical features:
Sensor： 16Mega CMOS Sensor Panasonic MN34120
Processor: Nt 96660
Picture System: Focusing screen
Video Resolution： UHD24（2880*2160） QHD30（2560*1440）
108OP60/30 720P120/60/30 VGA240
Video aspect: Focusing screen/Vintage
Picture Size： 20M 16M 12M 10M 8M 5M 3M VGA
Video Format： MP4 H.264
Picture Format： JPG Color/Sepia/B&W & RAW (Black&Withe)
Storage Capacity： Micro SD Max 128Gb
USB Interface： USB TYPE-C
Display： 2.0″capacitive touch screen
ISO: 100 - 3200
Auto White: yes
Balance： yes
Auto Eve ： yes
Picture ip： yes
WIFI： yes
Remote： yes
Language EN FR ES PT DE IT CN RU JP
Battery: 3.7V 2.700mAh
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GoPro would be less resolution, less expensive, more work required.
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☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮ like attracts like! ☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮
Cameras: Sony ILCE-7RM2, Spotmatics II, F, and ESII, Nikon P4
Lenses:
M42 Asahi Optical Co., Takumar 1:4 f=35mm, 1:2 f=58mm (Sonnar), 1:2.4 f=58mm (Heliar), 1:2.2 f=55mm (Gaussian), 1:2.8 f=105mm (Model I), 1:2.8/105 (Model II), 1:5.6/200, Tele-Takumar 1:5.6/200, 1:6.3/300, Macro-Takumar 1:4/50, Auto-Takumar 1:2.3 f=35, 1:1.8 f=55mm, 1:2.2 f=55mm, Super-TAKUMAR 1:3.5/28 (fat), 1:2/35 (Fat), 1:1.4/50 (8-element), Super-Multi-Coated Fisheye-TAKUMAR 1:4/17, Super-Multi-Coated TAKUMAR 1:4.5/20, 1:3.5/24, 1:3.5/28, 1:2/35, 1:3.5/35, 1:1.8/85, 1:1.9/85 1:2.8/105, 1:3.5/135, 1:2.5/135 (II), 1:4/150, 1:4/200, 1:4/300, 1:4.5/500, Super-Multi-Coated Macro-TAKUMAR 1:4/50, 1:4/100, Super-Multi-Coated Bellows-TAKUMAR 1:4/100, SMC TAKUMAR 1:1.4/50, 1:1.8/55
M42 Carl Zeiss Jena Flektogon 2.4/35
Contax Carl Zeiss Vario-Sonnar T* 28-70mm F3.5-4.5
Pentax K-mount SMC PENTAX-A ZOOM 1:3.5 35~105mm, SMC PENTAX ZOOM 1:4 45~125mm
Nikon Micro-NIKKOR-P-C Auto 1:3.5 f=55mm, NIKKOR-P Auto 105mm f/2.5 Pre-AI (Sonnar), Micro-NIKKOR 105mm 1:4 AI, NIKKOR AI-S 35-135mm f/3,5-4,5
Tamron SP 17mm f/3.5 (51B), Tamron SP 17mm f/3.5 (151B), SP 500mm f/8 (55BB), SP 70-210mm f/3.5 (19AH)
Vivitar 100mm 1:2.8 MC 1:1 Macro Telephoto (Kiron)
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dan_
Joined: 05 Dec 2012
Posts: 1058
Location: Romania
Expire: 2016-12-19
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| Posted: Mon Mar 23, 2020 12:46 am Post subject: |
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dan_ wrote:
If you, basically, shoot the GG of a medium format camera then the GoPro resolution would be more than enough. The GG resolution won't be more than 2mpx. and you should expect some artifacts from the fresnel lens, too.
Look at how a GG image of a 4x5 LF camera looks like and consider a 6x4.5cm (or 6x6-6x7-6x9) part of it.
https://www.dpreview.com/news/9324612933/fotodiox-tutorial-transforms-portable-scanner-into-a-4x5-digital-camera-back
Not very promising, IMO. But, of course, it could be a lot of fun in using it. |
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