1. Home
  2. Camera Lenses
  3. Mirrorless Camera Lenses
  4. L-Mount
Panasonic LUMIX S 20mm f2.5 Lens
Product Code: 3358704

Panasonic LUMIX S 20mm f2.5 Lens

£429.00 Pre-Order

Free delivery

Special Offer with this Product
Calumet 62mm UV SMC TG Ultra Slim Filter

Calumet 62mm UV SMC TG Ultra Slim Filter

 Save 25% Usual price £36.00 £27.00
Back to top

Combining a 20mm focal length with a remarkably lightweight 142g design, the Panasonic LUMIX S 20mm f2.5 Lens gives full-frame LUMIX photographers ultra-wide coverage in one of Panasonic’s smallest primes. Despite measuring just 40.9mm long, this lens uses 3 aspherical and 3 ED elements to maintain optical correction across its wide 94° angle of view. Combined with a bright f2.5 aperture and 0.18m close focusing, Panasonic has created a highly portable ultra-wide prime for travel, interiors and everyday photography that is considerably easier to carry as part of a full-frame LUMIX kit.

Panasonic LUMIX S 20mm f2.5 Lens Key Features:

  • Compact ultra-wide prime for full-frame LUMIX S cameras
  • Designed for lightweight travel, interior and everyday photography
  • 20mm focal length provides a wide 94° angle of view
  • Bright f2.5 maximum aperture supports low-light photography
  • 11-element, 9-group optical design maintains image quality
  • Includes 3 aspherical and 3 ED elements to correct aberrations
  • 7-blade circular diaphragm produces rounded out-of-focus highlights
  • 0.18m minimum focusing distance supports close wide-angle compositions
  • 0.15x maximum magnification provides additional close-up framing
  • Compact 40.9mm design keeps full-frame setups small and portable
  • Remarkably lightweight 142g construction makes the lens easy to carry
  • Dust- and splash-resistant construction provides additional outdoor protection
  • Fluorine coating simplifies removal of dirt, water and fingerprints
  • 62mm filter thread accepts widely available photographic filters

What’s new?

The Panasonic LUMIX S 20mm f2.5 Lens expands Panasonic’s full-frame prime range with an ultra-lightweight wide-angle option, sitting alongside the recently introduced 40mm f2 as part of a growing selection of smaller S lenses. While Panasonic’s established F1.8 primes share consistent dimensions and handling, the 20mm f2.5 focuses more closely on reducing size and weight. At just 142g and 40.9mm long, it gives photographers an ultra-wide 20mm prime that is considerably smaller and lighter to carry, while retaining a bright f2.5 maximum aperture.

The arrival of the 20mm f2.5 also reinforces the direction set by the compact 40mm f2. Together, the two lenses cover ultra-wide and standard focal lengths in particularly small, lightweight designs, giving photographers the beginnings of a compact prime setup that makes it possible to build a smaller, lighter full-frame LUMIX kit.

Ultra-wide optical design

For such a small ultra-wide prime, the LUMIX S 20mm f2.5 packs a substantial optical design into its 142g body. Its 11 elements in 9 groups include 3 aspherical and 3 ED elements to control aberrations across the wide 94° angle of view, maintaining image quality from a lens designed to fit more into the frame. The bright f2.5 aperture gives photographers more flexibility in low light, with a 7-blade circular diaphragm producing rounded out-of-focus areas. A minimum focusing distance of 0.18m and 0.15x maximum magnification also let you work close to foreground subjects, using the 20mm perspective to keep more of the surrounding scene in frame.

Small, light and travel-ready

Despite its ultra-wide 20mm focal length, the S-S20 weighs just 142g and measures only 40.9mm long, making it particularly easy to carry as part of a smaller full-frame LUMIX kit. That compact design still includes dust- and splash-resistant construction for outdoor photography, with a recommended operating range of -10°C to 40°C, covering use from freezing temperatures to warmer climates. A fluorine coating on the front element also makes water droplets, dirt, and fingerprints easier to remove after shooting, reducing maintenance time when travelling or shooting outdoors.

What’s in the box?

  • 1 x Panasonic LUMIX S 20mm f2.5 Lens
  • 1 x Front Cap
  • 1 x Rear Cap

FAQs:

What cameras is the Panasonic LUMIX S 20mm f2.5 compatible with?

The LUMIX S 20mm f2.5 uses the L-Mount and is compatible with Panasonic’s full-frame LUMIX S cameras, including the S9, S5II, S5IIX, S1RII, S1II and S1IIE. It also works with other compatible L-Mount cameras, giving photographers access to the same 20mm focal length across the wider system. Its particularly small 142g design makes it a natural match for compact full-frame bodies such as the LUMIX S9.

Is the Panasonic LUMIX S 20mm f2.5 compatible with filters?

The lens has a 62mm front filter thread and accepts compatible 62mm screw-in photographic filters. This includes commonly used filter types such as protective, polarising and neutral density filters.

Does the Panasonic LUMIX S 20mm f2.5 have image stabilisation?

No, the LUMIX S 20mm f2.5 does not have optical image stabilisation. Stabilisation is available only when you pair the lens with a compatible LUMIX S camera that has in-body image stabilisation. This means photographers can still benefit from camera-based shake correction when shooting handheld.

What types of photography is the Panasonic LUMIX S 20mm f2.5 suited to?

The ultra-wide 20mm focal length suits travel, interiors, and everyday photography, capturing a broad view of the scene and giving foreground subjects greater prominence at close range. Its 142g weight also makes it easy to carry when travelling or exploring with a smaller full-frame LUMIX kit.

Does the Panasonic LUMIX S 20mm f2.5 have a circular aperture?

Yes. The lens uses a 7-blade circular aperture diaphragm, which keeps the aperture shape rounded as you stop down. In practice, that means background blur stays smooth, and highlights don’t take on a more angular shape. It helps keep the overall look more natural, especially when shooting at wider apertures or closer distances.

Back to top

Product Specification

Angle Of View 94°
Aperture Blades 7
Colour Black
Filter Thread [mm] 62
Focal Length ~ Wide [mm] 20.0
Included Accessories Front Cap, Rear Cap
Lens Elements 11
Lens Groups 9
Lens Mount L-Mount
Lens Type Wide-Angle Prime
Max Aperture ~ Wide 2.5
Minimum Aperture 22
Minimum Focus Distance [m] 0.18
Sensor Format Full Frame
Size 69.4 x 40.9 mm
Weight [g] 142.00
Back to top
Back to top
Back to top

{{item.DisplayName}} for the Panasonic LUMIX S 20mm f2.5 Lens

{{accessory.DisplayName}}

{{accessory.DisplayName}}
Awaiting Stock Awaiting Stock In Stock Low Stock Special Order Available to order – Ships in 5–7 days Discontinued In Stock Call To Order 48 Hour Delivery Awaiting Stock {{accessory.Price}}
Available used from {{accessory.AccessoryUsed.UsedStartingPrice}}
No Accessories
Back to top

Your flexible credit options available

Interest Bearing

with a choice of repayment plans over 24 or 36 months 13.9% APR (representative)

Buy now pay later

36 month loan with a six month deferral period, 18.9% APR (representative)

Interest Bearing Finance

This option comprises term loan with a choice of repayment plans over:

  • 24 months
  • 36 months

The balance of the finance agreement is payable directly to Novuna Consumer Finance in equal monthly instalments by monthly direct debit. The direct debit payments will commence at the end of the first month following receipt of your goods. The interest rate charged is 13.9% APR (representative). Late payment and early repayment penalties apply; full details of these will be provided in the loan agreement pack.

For customers based in the Channel Island, please call us to apply for finance

  24 Months  36 Months 
Cash price  £429.00  £429.00
Deposit £0.00 £0.00
Loan Amount £429.00 £429.00
Monthly Instalment 23 x £20.41 35 x £14.47
Final Instalment £20.41 £14.47
Total Amount Repayable £489.84 £520.92
Representative 13.9% APR 13.9% APR

Buy now pay later

The Buy Now Pay Later option comprises a 36 month loan following a six month deferral period.

During the six-month deferral period, it is possible to pay off the loan, either by way of a lump sum or in smaller amounts. If the loan is partially repaid within six months, the remaining interest will be adjusted to reflect the new balance. If the loan is fully repaid within the six-month deferral period, then no interest is payable, however, a £29 early settlement fee is payable in respect of repayments within these six months.

Following the six-month deferral period, Novuna Personal Finance will initiate a monthly direct debit payment for the remaining duration of the loan. Interest will be charged at a rate of 18.9% APR (representative) on outstanding balances (backdated to the first date of the loan). Novuna Personal Finance will send a reminder letter approximately one month before the six-month deferral period is due to elapse.

For customers based in the Channel Island, please call us to apply for finance

  Balance settled in full within the six month deferral period Balance NOT settled in full within the six month deferral period
Cash price £300 £300
Deposit £0 £0
Loan Amount £300 £300
Settlement fee £29 £0
Settlement payment £329 -
Monthly Instalment - 36 x £11.57
Total Amount Repayable £329 £416.52
Representative 18.9% APR 18.9% APR


Back to top
Back to top
Back to top
Product Code: 3358704-wex Manufacturers Part Number: S-S20E-K Got a question? Get it answered...