Auto Topcor 58mm F1.4 COSINA reprinted

Review and Photo example of the COSINA reprinted Auto Topcor 58mm F1.4.

Table of contents

Gallery

  • The examples were taken with the SONY α900 (A900) and the SIGMA SD10.

Review

Auto Topcor 58mm F1.4 is a lens with a focal length of 58mm that has been reprinted by Cosina.
Lens mounts were released for M42 and NIKON-F for single-lens reflex cameras.

I’ve never owned the original Topcon 58mm, so I can’t compare it, but the reprint lens is a lens that takes very good pictures and can be safely used as a standard lens for single-lens reflex cameras.
Since it is a newly manufactured lens, the silver exterior is beautiful, and the dedicated bayonet hood is deep and provides excellent light blocking.

The lens configuration is a modification of the double Gauss lens, with no bonding on the front side of the middle lens, and a single lens added on the rear side. If it were designed in 2024, it would likely be possible to have a simpler configuration by adding an aspherical lens, but it has been in this format since its release in 2003. Cosina has lenses with the same name but with different compositions, and lenses with different names but with the same composition.As a lens gourmet, I find Cosina’s policy strange when I look at the changes in lenses.

It’s been about 20 years since it was released, so it’s rare to see it on the market, and some stores charge a premium price for it, but it’s questionable whether it’s worth that much. Unless you’re really particular about it, this lens has been renamed NOKTON 58mm and continues to be sold, so I think it’s cheaper to buy that. The new model probably has better lens coats that have evolved with the times.

As a side note, I was lucky with the Voigtlander brand for Cosina, so I released it with the aim of catching my second loach with this lens. According to a magazine article at the time, Cosina wanted the Contax brand, but since Kyocera wouldn’t let go of the Contax brand it had inherited from Yashica, Topcon was one of the companies that looked for another brand. My memory is hazy, so I scoured the source in 2023, but it’s not clear. Also, unfortunately, as of 2024, this lens is the only Topcon brand lens.
It is a well-known fact that Cosina has since partnered with Carl Zeiss and has developed two brands: Carl Zeiss and Voigtlander.

I use a magnifying glass when viewing reversal films in a light box, but a standard lens of about 50mm can be used as a magnifying glass, so this lens had a very good visibility, so I also used it as a magnifying glass for viewing reversal films. .

Specification

ItemsAuto TopcorNOKTON SLIINOKTON SLIIs
Focal length(mm)58
Max aperture1.4
Min aperture16
Leaf blade10
Lens Construction7elements in 6groups
Aspherical lensNone
Min distance(m)0.45
Lens length(mm)47.545.5
Max diameter(mm)63.564.467.6
Lens hoodDedicated bayonet hoodLH58Round screw type hood LH-58s (sold separately)
Filter Size(mm)5852
Weight(g)305320320
Lens MountAi-S,M42Ai-S,Pentax-KAAi-S(with CPU)
Release date2003.122008.22016.10
Lens colorSilverBlackBase color is black.
Rim color is either silver or black
Price(Yen/No-tax)¥49,500¥55,000¥65,000-

Reference links

Update history

  • 2024.03.28:modified article
  • 2023.11.12:firest post

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