Carl Zeiss Planar is one of the oldest lens designs currently still in active production. The first design dates back to 1896 and since then the lens has gone through numerous design revisions. Planar 50mm f/1.7 is a classical manual focus Zeiss lens consisting of 7 elements in 6 groups. The build quality of the lens is quite good - the lens barrel is built of lightweight metal and both focus and aperture rings are fully rubberized (and smooth despite the age of the lens). The lens is very light and compact - almost miniature, measuring 6.1x3.6cm (2.4x1.4in) and weighing only 190gr (6.72oz). The lens extends slightly when focusing towards close-up, but the front glass element does not rotate, so you will be able to attach a circular polarizer to the front thread. The filter size if 55mm. The minimum focusing distance for this lens is 60cm (2ft) and the minimum supported aperture is f/16. On an APS-C type cameras with 1.6x crop ratio, the field of view of the lens is similar to that of an 80mm lens on a full-frame body.


The overall performance of the lens is quite enviable, even when measured by today's standards. If you're using a Contaxt/Yashica mount camera, then the recommendation is very simple - get the lens! If you're trying to use this lens on a non-native mount (i.e. Canon - there's no reason to use this particular lens on Nikon since Zeiss manufactures Planar for Nikon Ai-S mount), then the answer gets a bit tricky. The lens goes head to head with some of the best 50mm prime lenses manufactured by Canon, Nikon, Sigma and others, but it is a fully manual lens. If you're comfortable with that fact then the lens can be a great addition to your collection - results will not disappoint you. Otherwise, stick to the basics and go with one of the OEM lenses.


Lens Composition 7 elements, 6 groups  
Angular Field 45 degrees
Minimum Focus 0.6m(2 ft)
Diaphragm Action MM fully automatic
F stop scale f1.7-2.8-4-5.6-8-11-16
Filter 55mm
Filter connection Screw in type
Lens Hood 55mm G-11 soft hood, screw-in type No 4 metal hood(with 55/86 ring), screw-in type
Weight 190 grams (6.7 oz)
Lens Size 61x36.5mm(2-3/8x1-7/16 in)
Lens Cap 55mm K-51, snap type


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Product ($299) SN: ***2628
Condition: Good (GD)

Warranty: 2 weeks shop warranty, covering manufactural defects


Product ($349) SN: ***8701/ ***2163/ ***5824/ ***2603
Condition: Excellent (EX)

Warranty: 2 weeks shop warranty, covering manufactural defects


Product ($399) SN: ***0064/ 5050/ ***6594
Condition: Like New (LN)

Warranty: 2 weeks shop warranty, covering manufactural defects

What You Will Get

- F/R Caps


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Contax Carl Zeiss Planar 50mm F1.7 T* AEJ CY (used)


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