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TRIOPLAN 75/2.9 converted to M42 + Sony A7R
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PostPosted: Wed Mar 07, 2018 11:49 am    Post subject: TRIOPLAN 75/2.9 converted to M42 + Sony A7R Reply with quote

Trioplan 75/2.9 from folding camera converted to M42 using focusing helicoid in order to improve focusing distance - originally minimal focus distance was more than 1.5 meters, too far for me. I used custom step-up ring of proper length and Chinese helicoid to get MFD ca. 50 cm:




It quickly became my favorite Trioplan, I like it more than 100 and 50 mm. Sony A7R, wide open, no-post processing:





PostPosted: Wed Mar 07, 2018 7:11 pm    Post subject: Reply with quote

Love the bubbles Smile


PostPosted: Thu Mar 08, 2018 4:53 pm    Post subject: Reply with quote

wow! Congrats