Question 1

What's the difference between the Voigtlander Ultron 35mm f/2 Type I and the Voigtlander Ultron Vintage Line 35mm f/2 Aspherical Type II?

Accepted Answer

The Type I (this lens) uses a more modern, correction-focused optical formula aimed at sharp, technically clean rendering. The Type II belongs to Voigtländer's Vintage Line, which intentionally leans into a more classic, characterful rendering with slightly different bokeh behaviour and a retro aesthetic — and independent reviewers generally credit the Type II with stronger overall optical correction scores. If you prefer technically optimised results in a modern style, Type I is the one. If you want a bit more personality and old-school look to the out-of-focus areas, Type II is worth comparing.

Question 2

How does the Voigtlander Ultron 35mm f/2 compare to the Leica 35mm Summicron ASPH?

Accepted Answer

The Ultron Type I competes respectably with the Summicron ASPH — it's smaller, lighter, and offers strong sharpness in a correction-focused formula. Both lenses balance well on an M-body with well-placed focus and aperture rings. The main trade-off is rendering character: the Summicron has a particular look that some shooters prefer, and Leica's brand cachet is real. On pure optical performance per euro spent, the Voigtlander makes a compelling argument without relying on head-to-head measurement claims.

Question 3

Is the Voigtlander Ultron 35mm f/2 sharp at f/2?

Accepted Answer

Centre sharpness is very strong wide open at f/2. Some coma is present at f/2 — visible when shooting point light sources near the frame edges at night — but this corrects quickly as you stop down. For street and travel shooting in daylight or controlled conditions, f/2 is very usable from the start.

Question 4

Can I use this lens on a mirrorless camera like a Sony or Fujifilm body?

Accepted Answer

Yes. The Leica M mount has a short flange distance, which means a simple M-to-E (for Sony) or M-to-X (for Fuji) adapter lets you use this lens on most mirrorless bodies. You lose rangefinder coupling, of course, but focus peaking on modern mirrorless cameras works very well with manual-focus lenses like this one. It's a popular way to get compact, high-quality glass for adapted shooting.

Question 5

Is buying a used Voigtlander Ultron 35mm f/2 a good idea?

Accepted Answer

Absolutely — Voigtländer lenses are built to a high mechanical standard with no autofocus motors or complex electronics, so there's very little to go wrong over time. A used example in good condition will perform identically to a new one optically. Every second-hand lens on Camera-tweedehands.nl is professionally inspected and comes with a minimum 12 months warranty, so you're covered if anything unexpected comes up.

Question 6

How does the Voigtlander Ultron 35mm f/2 compare to the Voigtlander Nokton 35mm f/1.4?

Accepted Answer

The Nokton 35mm f/1.4 gives you an extra stop of light — useful in very low light or for shallower depth of field — but it's noticeably larger and heavier. The Ultron f/2 is the more discreet, travel-friendly option and renders with fewer aberrations wide open. If maximum aperture matters most, go Nokton. If you want a compact everyday lens that's sharp and corrected from the start, the Ultron wins on convenience.

Question 7

Does the Voigtlander Ultron 35mm f/2 work with Leica M rangefinder coupling?

Accepted Answer

Yes. The lens is designed specifically for the Leica M mount and includes rangefinder coupling, so focus confirmation through the rangefinder patch works as expected on M-series rangefinder cameras. The minimum focus distance is 0.58m.

Question 8

What filter size does the Voigtlander Ultron 35mm f/2 Aspherical Type I use?

Accepted Answer

The filter thread is 39mm — a classic size used on many Leica-ecosystem lenses, so filters are easy to find. This is a front-thread filter fitting, standard for screw-in circular polarisers, ND filters, or UV/protective filters.

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Voigtlander Ultron 35mm f/2 Aspherical Type I - Leica M

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Voigtlander Ultron 35mm f/2 Aspherical Type I – Leica M

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