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Super Takumar 1:1.4/50 Optical difference between the 8 element and 7 element version

Super Takumar 1:1.4/50 Optical difference between the 8 element and 7 element version. In this video I will show how different the Super Takumar 1:1.4/50 is if we look into the Optical assembly, between the older 8 element, and the newer 7 element version, and there is actually many difference, much more than I would think of. Both lenses are in a good shape, so I will not do any cleaning or disassemble any other parts, but only working with the optical assembly. REMEMBER: When takin the lens assembly apart, set small arrows on the edge on some of the lens elements, just so you will know the correct oriantation of the lens element Here are some link's to different repair tool's and lubricating stuff: Flex-I-File: Ultra Fine Needle Piont Scriber #6114 www.flex-i-file.com www.alphaabrasives.com Dental instruments are: Hollenback Carver “plastic instrument” (a.k.a. stellite) Wall’s carver. "ORBIT" HEPA Blower: https://photosol.com/products/orbit-h... You can buy it here: https://www.adorama.com/cpkhjdb.html "Liqui-Moly" LM 50 Litho HT: https://www.amazon.co.uk/Liqui-Moly-L... "Liqui-Moly" LM47 MoS2 grease with Molybdenum disulfide: https://products.liqui-moly.com/lm-47... or on Amazon: https://www.amazon.co.uk/Liqui-Moly-3... Contact glue: https://www.loctiteproducts.com/en/pr... Japan Hobby Tool rubber cone: https://www.amazon.com/Japan-Vacuum-C... 18 different size rubber repair tool's: https://www.amazon.com/Sizes-Lens-Fil... You can also buy this set. Lens Repair Set with pointed, flat, half flat tips: https://www.amazon.com/dp/B00QRPWCN0/... JIS cross head screw driver's: https://www.amazon.com/Moody-Tools-58... Or this set, that is the set I use: https://eustore.ifixit.com/en/Tools/D... Lens cleaning wipes (PEC-PAD): https://www.amazon.com/dp/B0161VIZZ8/... Thin Cotton Buds x 200 you can buy them here: https://www.muji.eu/pages/online.asp?... DSLRKIT Pro Lens Vise Tool Repair Filter Ring Ajustment Steel 27mm to 130mm: https://www.amazon.com/DSLRKIT-Repair... Japan Hobby Tool Helical Grease Made in Japan: https://www.amazon.com/Japan-Hobby-He... Loctite 222 50ml Threadlocker https://www.amazon.com/Henkel-Loctite...