Other mount
    Prime
    Medium Format rangefinder

    SIEK 120mm f/1.2

    4.7
    (60 reviews)
    Optical: 4.9
    Mechanical: 4.9
    Value: 4.8
    Focal Length
    120mm
    Aperture
    f/1.2
    Mount
    Other mount
    Weight
    5300g
    SIEK 120mm f/1.2 is a manual focus prime lens for medium format rangefinder cameras.

    Optical design

    Wide open, subjects located outside the depth of field are shown very blurred.

    Physical characteristics

    Weights 5300 grams so it is a heavy lens, consider using its own lens bag. 218 mm long, with this size carry only if you use it.

    SIEK 120mm f/1.2 purchase historyTrending down 2.4%/mo

    eBay Price HistoryeBay Auction (high-low)Linear trend

    Prices have been easing around 2.4% per month — sellers are flexible, aim for deals below $315.50.

    Fair value (90-day)
    $315.50
    Don't exceed (P75)
    $562.00
    All-time low
    $15.00
    Latest sale
    $327.00

    Best deals

    1050 of 2087 tracked sales (50%) closed at or under the $315.50 fair value.

    • May 1, 2025$15.00$-300.50 / typical
    • Mar 2, 2025$17.00$-298.50 / typical
    • Jul 10, 2025$19.00$-296.50 / typical
    • Dec 15, 2024$20.00$-295.50 / typical
    • Apr 20, 2025$20.00$-295.50 / typical

    eBay Auctions

    No active auctions found.

    Technical Specifications

    Optical
    Focal Length120mm
    Aperturef/1.2
    Min Focus Distancem
    FocusingManual Focus
    Physical
    Weight5300g
    Length218mm
    Filter Threadmm
    MountOther mount
    FormatMedium Format rangefinder

    Reviews

    Great Purchase from Buydig... Refurbished (but you'd never know), Killer Price and Speedy Delivery5.0/5

    Great Purchase from Buydig... Refurbished (but you'd never know), Killer Price and Speedy Delivery I had been considering this Nikon 24-120mm f/4 lens since purchasing a Nikon Df a little over a year ago, and I've been monioring it on Nikon's refurbished products web site. Research performed online revealed generally high ratings for this lens, so it was a no-brainer to keep considering this for purchase. But the regular retail price even for a Nikon factory refurbished model is high, so I decided to wait for a killer deal from a reputable Nikon reseller. When I searched eBay recently I discovered prices for this refurbished lens that were significantly below Nikon's site, but I was hesitant to act under the theory that "if it seems to good to be true, it probably is." After checking prices on eBay regularly for the past three weeks, I located very reasonable prices offered by Buydig. My decision to purchase was triggered by an email I received from eBay over the weekend, offering an additional savings of $80 on a refurbished 24-120mm from Buydig. Of course I had read the reviews on eBay that warned about products shipped slowly, or arrived damaged or inoperable. But after receiving the email offering the additional savings, I placed my order. My order was entered on Saturday, and the lens was delivered to FedEx on Sunday. Subsequent tracking reports indicated the product was in transit on Monday, and was delivered on Tuesday. Upon arrival the outer package was in excellent condition, and the box inside containing the lens was packed identically to shipments of refurbished products I've purchased directly from Nikon's web site. My package excluded an instruction booklet, and front and rear lens caps -- while perfectly fine -- were not made by Nikon. I was delighted to find an official 90 day warranty issued by Nikon for my lens, same as I typically receive when I purchase refurbished lenses directly from Nikon. The overall condition of the lens seems perfect, with clean, clear glass and a new appearing exterior. The zoom is a tiny bit sticky, which I think will smooth-out over time with usage, and the focus and VR function appear to work similarly to my also refurbished Nikon 28-300mm lens. The lens has a US serial number, and the markings on the lens' exterior are clear and easy to read. I've taken over 100 pictures since opening the box, and images are clear, sharp and perfectly usable... even when taken indoors at night without a flash. Exterior shots taken from my window overlooking a typical New York City street are identical in overall quality to my Nikon 28-300 and close in quality to my Nikon 24-70 f/2.8. My plan is to keep this lens on my Nikon Df as my "go-to, general walkaround" lens, just as I keep the 28-300 on my other Nikon Df. The 24-120 is slightly lighter and shorter than my 28-300, but doesn't have the lens creep that's evident in the longer 28-300, and certainly won't be a problem to carry around for a day's worth of shooting. In a nutshell, my new refurbished 24-120mm completely meets my expectations. But my shopping experience with Buydig was exceptionally positive, and a real eye-opener. Based on my experience, I highly recommend both the Nikon 24-120mm f/4 VR as well as Buydig.Read full review

    Nice all around do it all lens4.0/5

    Nice all around do it all lens It has a very useful range 24mm -120mm can be used for a lot of general photography. It's much bigger and heavier than the 24-85mm it replaced. It's almost too big and front heavy for the D600 which I use. It takes up a lot of room in the camera bag. Optically it's pretty nice. The gold band says Nikon considers it a pro level piece of kit. At f4 it will give a nice bokeh for portraits. The VR makes it useable at slower handheld speeds, effectively making it a faster low light lens than a non VR lens. Buying it used it's a great bargain. Not sure I would pay over $900 for it new though. I wosh the foot orint was closer in size and weight to the 24-85mm, but the range and fixed aperture make up for that. Overall a thumbs up.

    Jack of all trade, master of none ...4.0/5

    Jack of all trade, master of none ... It's no sharper than much cheaper 24-85 mm f/3.5-4.5 VR lens and the build quality is comparable. Not as sharp as 24-70mm f/2.8. But I find the constant f/4 aperture and the extra reach very useful as a all around walk-about lens, in similar vein as the Canon users who sometimes prefer the 24-105 mm f/4 L lens over 24-70 mm f/2.8 L lens. It is rather pricey when purchased new and you have to decide if the extra reach it has over 24-85mm lens is worth the premium. 4 stars for high price and less than ultimate sharpness.

    Frequently Asked Questions

    What is the SIEK 120mm f/1.2?

    SIEK 120mm f/1.2 is a camera lens with 120mm focal length, a maximum aperture of f/1.2/1.2, for the Other mount mount, supporting the Medium Format rangefinder format, weighing 5300g.

    What mount is the SIEK 120mm f/1.2 compatible with?

    SIEK 120mm f/1.2 uses a Other mount mount and supports the Medium Format rangefinder format.

    How much does the SIEK 120mm f/1.2 cost?

    Based on recent eBay sold listings the SIEK 120mm f/1.2 typically sells for around $15.00. Actual prices vary with condition and seller.

    Is the SIEK 120mm f/1.2 a good lens?

    SIEK 120mm f/1.2 has a community rating of 4.7/5 from 60 review(s).

    Which lenses are similar to the SIEK 120mm f/1.2?

    Similar lenses include A.Schacht Ulm Travegar R 100mm f/3.3, Angenieux Paris 90mm f/1.8 Type P1, Asahi-Kogaku Takumar 100mm f/3.5.

    Current Pricing

    Latest Price
    Price on request
    Find on eBay

    Review Summary

    Overall Rating
    5.0
    Optical4.9/5
    Mechanical4.9/5
    Value4.8/5
    Based on 7 reviewers

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