Smoli4
Joined: 01 Jul 2011
Posts: 606
Location: Haifa, Israel
Expire: 2013-06-07
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 Posted: Thu Jun 18, 2020 4:46 pm Post subject: Help! Whats this extension? it has a Slit |
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Smoli4 wrote:
#1
#2
32mm diameter
Does somebody recognize this? what is it?
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Canon 6D + Mir 24, SMC Tak 50 f1.4, 135 f2.5 V2, Tamron SP 90mm f2.5 52B, mcMTO 500 8, Canon IS USM 75-300 4.5-5.6, zeiss ikon talon 85 f2.8 |
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visualopsins
Joined: 05 Mar 2009
Posts: 10541
Location: California
Expire: 2025-04-11
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| Posted: Thu Jun 18, 2020 6:53 pm Post subject: |
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visualopsins wrote:
Optical slit (use favorite search engine), used with lasers, etc..
https://www.rp-photonics.com/optical_slits.html
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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 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 (51BB), 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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