Glass Bodies a variant-level encyclopedia of vintage lenses and cameras by iwillpat

Mamiya N 150mm f/4.5 L (Mamiya 7)

Mamiya · Mamiya 7 · 1995

single source, unconfirmed

Also known as: Mamiya N 150mm f/4.5 L · Mamiya 150mm f/4.5 L · Mamiya 150mm f4.5 · N150mm f/4.5L · Mamiya 7 150mm · Mamiya 7II 150mm · マミヤ N 150mm F4.5L · マミヤ7 150mm · マミヤ 150mm F4.5

Variants & identification

Variant Mount Years Serial ranges Production
Mamiya N 150mm f/4.5 L (single version, 1995–2014) · #00 electronic leaf shutter in the lens, timed by the body: 4s–1/500 and B Mamiya 7 1995–2014 — —
  1. Elements, groups, angle of view, minimum aperture, closest focus, magnification, filter size, dimensions and weight are the maker's own figures, identical in the 1995 Mamiya 7 manual (p. 27) and the Mamiya 7 II lens manual (p. 13), both hosted at butkus.org.
  2. The ultra-low-dispersion element is stated only by the Japanese Wikipedia product list (超低分散レンズ含む); neither Mamiya manual mentions glass types, so the page carries the single-source badge for that claim.
  3. The 1995 date is the camera's; the lens is in the launch manual, and no source gives a separate lens release date. The 2014 end date is Wikipedia's for the Mamiya 7 system as a whole.
How to tell them apart (expand)
  • One optical version only, sold from the 1995 launch to the end of the system; a lens marked N 150mm f/4.5 L fits the Mamiya 7 and the 7 II alike
  • Not the Mamiya 6's lens: the Mamiya 6 has a G 150mm f/4.5 L on its own mount, and neither fits the other body; the RB67, RZ67, 645 and Press 150s are Sekors on other mounts
  • Closest focus is 1.8 m, against 1 m on the 43, 65 and 80, and the minimum aperture is f/32 where the wides stop at f/22

Mamiya N 150mm f/4.5 L (single version, 1995–2014):

  • Engraved N 150mm f/4.5 L on the front ring; the longest barrel of the rangefinder-coupled lenses at 96 mm by 70 mm across, 520 g, 67 mm filter thread, a bayonet hood supplied that 'may be fitted at any position' (Mamiya 7 manual, p. 27; 7 II lens manual, p. 12)
  • Aperture ring 4.5–32, the only lens of the four launch lenses to stop down past f/22; distance scale in m and ft starting at 1.8 m; rangefinder coupling lever (Mamiya 7 manual, p. 27 photograph)
  • The body's finder brings up the 150mm bright frame automatically; the 210mm's Viewfinder FV704 (0.89×) can also be used with the 150 (Mamiya 7 II lens manual, p. 14)

Specifications

Construction
6 elements / 5 groups
Aperture range
f/4.5–f/32
Shutter
#00 electronic leaf shutter in every Mamiya 7 lens, timed by the body's electronics: 4s–1/500 and B, X-sync at every speed, electro-magnetic release (Mamiya 7 manual, p. 30). No battery in the body, no exposure.
Min. focus
1.8 m
Dimensions
70 × 96 mm
Weight
520 g
Filter
67 mm
Years manufactured
1995–2014
Country
Japan
Coating
Multicoated (Mamiya 7 II lens manual, introduction)

What reviewers say

Optical formula

History

The N 150mm f/4.5 L is the telephoto of the Mamiya 7 and the longest lens the body’s rangefinder will couple to; the 210mm f/8 that arrived later is scale-focused. The 1995 instruction book lists it as one of the four launch lenses (“Telephoto: 150mm f/4.5 L”) and gives the figures that the Mamiya 7 II lens manual repeats unchanged: 6 elements in 5 groups, a 34° angle of view (a 71mm equivalent on 35mm film), f/4.5 to f/32, closest focus 1.8 m at 0.096× for a 581 × 721 mm field, a 67 mm filter thread, a bayonet hood supplied with the lens, 96 mm long by 70 mm across, and 520 g. The 1995 manual’s cross-section shows a large front group ahead of a small rear group; it is linked below rather than reproduced. The Japanese Wikipedia product list adds that the design includes an ultra-low-dispersion element, a detail neither Mamiya manual mentions, so it is carried here as single-source.

There is one version. The Mamiya 7 of June 1995 and the 7 II of January 1999 share the mount and the whole lens line; the 7 II revised the body (tinted bright frames, multiple exposure, a second strap lug), not the glass. Every Mamiya 7 lens carries its own #00 electronic leaf shutter, timed by the camera through gold-plated contacts on the mount: 4 s to 1/500 and B, flash sync at every speed, and no exposure at all without the body’s 6 V battery. The body’s finder brings up the 150 frame automatically and corrects parallax as the lens focuses; for a bigger view the 7 II lens manual notes that the 210’s Viewfinder FV704, a 0.89× finder with a parallax ring, “can also be applied” to the 150. Wikipedia gives 2014 as the end of the system. No serial ranges, production figures or list prices were found.

The 150 is the least written-about of the four. Hari, who moved from a Pentax 67 to a 7 II with the 80, 43 and 150, finds the lenses “razor sharp at all apertures” and the kit small enough to travel with, and names the system’s slow maximum apertures as the trade; the 150 is the slowest of his three. Its practical limits are in the maker’s numbers rather than in reviews: 1.8 m closest focus gives a 58 × 72 cm field, so it will not do a tight head shot, and a 34° lens on a 60 mm rangefinder base asks for care in focusing wide open. No review from the sites this catalogue indexes deals with the Mamiya 7 150 on its own; Simon Foale’s 35mmc piece on the Mamiya 6’s G 150mm f/4.5 L, a different lens on a different mount, was read and is not cited as evidence here.

What to check when buying: the gold-plated contacts on the rear mount, since aperture and shutter are driven electronically and a dirty contact stops the exposure; that the shutter fires at every speed on a body with a fresh battery; that the rangefinder agrees with the distance scale at 1.8 m and infinity, which matters more on a telephoto than on the wides; the glass against a bright light for haze and balsam separation, reported on the 80 and worth assuming on any Mamiya 7 lens; and that the bayonet hood, which fits at any rotation, and the rear cap are present. The barrel is light and partly plastic, the standing complaint about Mamiya 7 lenses, set against optics nobody complains about. What remains open: the designer, whether the low-dispersion element is real, the month it shipped, its price, and how many were made.

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This history is AI-written, from the sources listed at the foot of the page. Where the record is silent it says so rather than filling the gap — but no human wrote these sentences.

Example photos

Sample photo wanted — shot with a Mamiya N 150mm f/4.5 L (Mamiya 7)? We'd love to feature it (with credit).

Live listings

Asking price, USD: a median of $460 across 12 fixed-price listings on 2026-09-19 (middle half $400–$500). First day tracked.

Asking prices from the listings scanned, not sales; junk-flagged rows and auction lots excluded; other currencies are not converted.

Show 13 more listings

Buying from Yahoo! Auctions outside Japan. It is a domestic marketplace: sellers ship within Japan, and most will not register an overseas buyer. A proxy service bids on your behalf, receives the item and forwards it, for a fee and a wait. Buyee, Jauce and ZenMarket each accept a Yahoo auction number directly. Listed alphabetically for information — none is recommended over another, and none of these is an affiliate link.

Listings updated 2026-09-19. Links go to the shop or marketplace that carries the item.

Related: Mamiya N 43mm f/4.5 L (Mamiya 7) · Mamiya N 65mm f/4 L (Mamiya 7) · Mamiya N 80mm f/4 L (Mamiya 7)

Sources (8)

Every page here is assembled from public sources, and the gaps are real ones. If you own this lens, know a serial number I'm missing, or can see where I have it wrong, tell me — corrections, serials and sample photos are all worth having.