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The branch of a poplar
5 0 4030
5 1 6317
5 0 3485
4.67 0 3478
Owner reviews: Carl Zeiss Jena Triotar 135 mm f/ 4.0
- Low Price: 15 euros
- All metal
- 15 diaphragm blades
- Preset aperture system (I like them a lot)
- Sharp at f/5.6
- Nice color rendition
- Long focusing ring rotation
- Very easy to disassamble, clean, repair...
- My copy suffered from stiff focus, solved by cleaning the helicoid and applying new grease
- Not a fast lens (f/4)
- Soft at f/4, you have to stop down the lens a bit
- Long minimum focusing distances (>1.1meters)
- Heavy and long
- Difficult to nail focus if used on a DSLR
To be honest my expectations where very low for a 15 euro lens that needed cleaning. After cleaning the helicoid and aplying new grease it is easier to handle but still stiff.
Not a really sharp lens at maximum aperture (f/4), but fine if stopped down one o two steps.
It's 15 aperture blade system help to mantain a round shaped higlights.
Color is ok for such an old lens, a bit less warmer than my Canons and more closer to my Nikons.
As DSLR user I cannot recommend this lens as it is very difficult to nail the focus using the optical viewfinder, a lens with wider aperture (f/2.8 for example) is easier to handle than this f/4.
If you wanted a cheap vintage manual focus lens under 50 euros this is the lens you where looking for, but a 135mm f/2.8 will be more interesting than this f/4. And 135mm f/2.8 are very common.
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