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Leica Summilux M 21mm f/1.4 ASPH Lens Black Anodised
Product Code: L242535F
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The Leica Summilux-M 21mm wide angle lens has a bright f/1.4 aperture, delivers exceptional results through aspherical and low dispersion elements and looks stylish in black anodised metal finish.
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We Love
- Excellent resolution and detail in an ultra wide angle Rangefinder lens
- A bright aperture excels at low light with well controlled vignetting and distortion
- Excellent choice for a range of subjects including landscapes and architecture
- Floating element design ensure the lens keeps up with the latest high resolution sensors
- Impeccable design and craftsmanship with Made In Germany quality for lifelong service
Leica Summilux-M 21 f/1.4 ASPH. Lens Summary
The Leica Summilux-M 21 f/1.4 ASPH. Lens is a fast ultra wide angle M lens for rangefinders which offers excellent performance over the entire image field. Image quality is sharp and concise, even when stopping down to the fastest aperture in the close-up range thanks to a ‘floating element’. Stopping down to f/2.8 leads to absolutely outstanding image quality, ensuring the lens resolves high resolution detail on any of the latest high resolution Rangefinder cameras. In comparison to the Elmarit lens of the same focal 21mm length, the Summilux-M 21 rendition is slightly more uniform across the image field.
Key features
- Bright aperture ultra wide angle lens
- 10 elements in 8 groups with 5 anomalous partial dispersion elements
- Focusing range: 0.7 m to infinity
- Weight: approx. 580 g
The vignetting typical of every optical system is naturally more apparent with a super wide angle lens, particularly a high speed one like this, than on standard lenses or those with a long focal length. At full stop with the 35mm format, its maximum - i.e. in the corners of the image - is around 3.2 aperture stops or, with the Leica M8 models and their slightly smaller format, around 1.9 aperture stops. Stopping down to 2.8 visibly reduces this light fall-off towards the image edges to 1.7 or 0.8 aperture stops. Stopping down further does not bring any noticeable additional reduction, as all that remains is essentially the natural vignetting.
The maximum distortion of the lens is 2.3%,which in practical terms is negligible for the majority of photographic applications. A total of ten lens elements are used to achieve this exceptional performance. To correct colour aberrations, five of these are made of glass types with anomalous colour dispersion(partial dispersion), while a further two have aspherical surfaces. To maintain performance in the close-up range, one group towards the rear of the optical system is a 'floating element' that moves independently of the rest of the mechanism.
The five anomalous partial dispersion elements serve to correct vignetting and distortion which is all but eliminated at aperture of f/2.8 through to the maximum f/16 aperture. The floating element retains the lenses’ high resolution, even in the close-up range. A patented, rectangular lens hood fits Series VIII filters.
| Offers: N/A |
| Offer Category: Camera Lenses |
| Offer Product Type: Leica Lenses M mount |
| Autofocus: N/A |
| Aperture ring: Yes |
| Constant Aperture: Yes |
| Lens CIPA Image stabilization rating: N/A |
| Colour: N/A |
| Diameter (mm): 70 |
| Length (mm): 66 |
| Weight (g): 580 |
| Distance scale: Yes |
| DoF scale: Yes |
| Elements: 10 |
| Environmental Sealing: N/A |
| Focus distance limiter: N/A |
| Focal length: 21 mm |
| Focus method: N/A |
| Filter Thread: N/A |
| Full time manual: N/A |
| Groups: 8 |
| Hood supplied: Yes |
| Lens Image stabilization: N/A |
| Lens mount: N/A |
| Lens Materials: N/A |
| Maximum focal length: 21 |
| Maximum magnification: 0.03 |
| Maximum aperture (number): 1.4 |
| Maximum aperture (text): N/A |
| Max Format size: N/A |
| Minimum focal length: 21 |
| Lens Minimum focus distance (m): 0.7 |
| Minimum aperture (number): 16 |
| Minimum aperture (text): N/A |
| Motor type: N/A |
| Number of diaphragm blades: N/A |
| Power zoom: N/A |
| Special elements / coatings: 2 aspherical elements; 5 anomolous dispersion elements |
| Tripod collar: N/A |
| Lens type: N/A |
| Wide/Tele: N/A |
| Lens Level: N/A |
| Best For: N/A |
| Best For Holiday and Landscape: Yes |
| Best For Interior and Architecture: Yes |
| Best For Fashion and Portrait: N/A |
| Best For Macro and Still Life: Yes |
| Best For Astro: N/A |
| Best For Street: Yes |
| Best For Wildlife and Sport: N/A |
| Zoom lock: N/A |
| Zoom method: N/A |
| Notes: N/A |
Thinking of choosing finance?
Finance is a great way to spread the cost of your purchase. To make it easy we have teamed up with Omni, one of the UK’s leading finance specialists, so that you can apply for and complete a loan application quickly, easily and informatively.
Omni Capital Retail Finance Ltd which is a credit provider/ lender regulated by the Financial Conduct Authority whose finance options are best suited for you and your purchase.
Simply add the items you love to your basket. Once you are at the checkout select the finance option that suits you and choose Omni. The quick application form is simple and should take no more than a couple of minutes to complete and you will receive a decision instantly. Easy!
Use our finance calculator to check the impact of various loan values, terms and interest rates on the total amount you need to pay and the monthly repayments.
Representative example:
Buy Now Pay 2025, a 36-month loan following a 3-month deferral period. Buy a £1,500.00 camera and pay a 10% deposit of £150, Total Amount of Credit £1350. 1st payment deferred for 3 months – rest of balance can be paid off in this period with no interest, however a £29 early settlement fee is payable. 36 monthly repayments, with a first payment of £48.87 followed by 35 monthly repayments of £48.51. The total amount payable will be £1746.72 16.9% APR Representative
Buy Now Pay 2025 | Finance available See options |
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Buy Now Pay 2025
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Check your eligibility
To be considered for finance, you will need to meet all of the following criteria:
- Are at least 18 years old
- Are in regular full or part-time employment (minimum 1 hour per week or £10,000 income per annum), unless you are retired and receiving a private or company pension, or you are in receipt of disability living allowance
- Are a permanent UK resident and have lived in the UK for at least 3 years
- Have a UK bank account capable of accepting Direct Debits
- Have a good credit history with no late payments, Debt Relief Orders, County Court Judgments or bankruptcies.
Please note that, due to calculations, your monthly repayment may differ very slightly from what you were expecting. Please check your monthly repayment figure before proceeding
Missed or late payments will result in fees and additional interest on your loan and can also affect your credit file and your ability to obtain credit in the future.
Credit is subject to status, UK only, 18+
Park Cameras Limited is a credit broker, not a lender and is authorised and regulated by the Financial Conduct Authority (FRN 680161). We do not charge you for credit broking services. We will introduce you exclusively to finance products provided by Omni Capital Retail Finance Ltd.
Omni Capital Retail Finance Ltd which is a credit provider/ lender regulated by the Financial Conduct Authority, Firm Reference Number: 720279. For more information please go to www.omnicapitalretailfinance.co.uk/contact/customer or visit www.omnicapitalretailfinance.co.uk.
Find out more about paying with finance here and Omni Capital Retail Finance Ltd terms here
Our Verdict
Leica has a series of fast aperture Summilux lenses in their range, with this Summilux-M 21 F/1.4 ASPH. Lens joining as the ultra wide angle fast prime offering. The lens resolves extremely well, assisted by a tried and tested ASPH. (aspherical) design with 10 elements arranged in 8 groups. A floating design provides users with enviable levels of detail combined with a classic Leica rendition for which their lenses are famed. Subjects which fall into ultra wide remit include landscape photography, architectural and creative compositions where the foreground provides visual interest. A close focus distance of 70 cm provides further opportunities to exaggerate perspectives and engage the viewer.
Adding this beautiful lens to any collection offers a unique opportunity to explore ultra wide subjects with a beautifully crafted optic which perfectly complements other models including the famed Summilux-M 35mm f/1.4 ASPH. Attention to detail is pleasing as ever and includes the rectangular shaped screw-on type lens hood.
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Condition guide
Our used products are subject to wear and tear in comparison to brand new products. This also applies to accessories that are supplied with the camera including batteries which may have a lower optimum performance level/life expectancy.
- Like New – The equipment is in a condition as if you have just bought it from the manufacturer. The item is still considered to be ‘Like New’ even without the original packaging and accessories. The product has been fully tested and is in perfect working order. Lenses are optically clear. There may be light dust present that will not effect the imagery.
- Excellent – The equipment should be close to being ‘Like New’ but there may be some small cosmetic blemishes that lower its grade. The product has been fully tested and is in perfect excellent order.
- Cameras – Should have no marks on the LCD screen
- Lenses – Should have no marks on the elements and optically clear. There may be light dust present that will not effect the imagery.
- Very Good – The equipment may have some slight cosmetic wear to the paintwork and cosmetic blemishes with only light signs of use and the product has been fully tested and is in great working order.
- Cameras – The LCD screen may have small signs of wear that does not affect its display
- Lenses – The mount of the lens will start to show signs of wear
- Good – The equipment is showing more obvious signs of cosmetic wear and blemishes, but the product has been fully tested and is in great working order.
- Cameras – LCD screen may have scratches or wear that is starting to affect the display.
- Lenses – May have slight dust inside that does not affect images. The mount shows signs of use.
- Well Used – The equipment will show significant signs of wear. The paintwork will be coming away in large areas exposing the metal work, but the product has been fully tested and is in great working order.
- Cameras – LCD screen is heavily worn either by de-lamination or has scratches to it. Rubber grips are starting to come away from the body.
- Lenses – The lens has dust inside that may affect images. The rubber zoom/focus ring is coming away from the barrel of the lens.
*All of our used items are listed with the accessories that are included. If they are not listed, then they will not be supplied at the point of purchase.
Peace of mind with our 6 month warranty
This product has been thoroughly tested by our team of photographers and we are happy to give a 6 month warranty as a result. The number of tests depends on the individual product but we are confident in this product having tested all the major functions. Anything that isn’t as you would expect, we then make a note of and show this in the condition notes on the page.
So you can be confident you are buying a great piece of kit that’s been looked after by a fellow photographer and seen many extraordinary sights, tested by our team of photographers and now looking forward to being set free to capture more great images!
