SKU: 75331268962

ZEISS Batis 2/40 CF Lens - Sony E-Mount

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Description

ZEISS Batis 2/40 CF Lens - Sony E-MountZEISS Batis 2 40 CF Lens Sony E Mount ZEISS SKU: 2239 137 Helix SKU: ZS2239137 Overview Lightweight wide angle lens, fast autofocus, close focusing distance: with a 40 millimeter fixed focal length, this lens is excellent for the applications of a standard focal length as well as for typical shooting situations with lightweight wide angle lenses. An all purpose lens that offers outstanding imaging quality, making it ideal for close ups. Thanks to its

ZEISS Batis 2/40 CF Lens - Sony E-Mount

ZEISS SKU: 2239-137 | Helix SKU: ZS2239137

Overview

Lightweight wide-angle lens, fast autofocus, close focusing distance: with a 40-millimeter fixed focal length, this lens is excellent for the applications of a standard focal length as well as for typical shooting situations with lightweight wide-angle lenses. An all purpose lens that offers outstanding imaging quality, making it ideal for close-ups.

Thanks to its close focusing distance of just 24 centimeters (9.4 inches), combined with its moderate wide-angle imaging the CloseFocus lens (CF) is excellent for a host of different applications. Thanks to its high micro contrast and initial aperture of f/2, it can perfectly depict individual objects. The ZEISS Batis 2/40 CF on the camera ensures you’re always ready for the important moments – no matter what comes your way. And if you only want to carry one lens with you, this is the best one for your discerning photographer’s eye.

The ZEISS Batis autofocus lenses were specially developed for mirrorless, full-frame sensor cameras from Sony. They have been adapted to work with the camera to form a compact, lightweight system that doesn’t compromise on performance. The lenses are fully compatible with all E-mount cameras and offer not only fast, quiet autofocus, but also protection against dust and weather. For creative photography, the innovative OLED display shows the distance and depth of field to ensure the focusing range can always be perfectly set. The high-speed fixed focal lengths of the ZEISS Batis family offer flawless imaging thanks to their completely revamped optical design. The legendary ZEISS T* anti-reflective coating, combined with more than 125 years of experience in lens development and the latest technologies, ensure that every moment captured with a ZEISS Batis lens provides that exceptional ZEISS look.

Close Focus Function (CF)

The Close Focus function allows you to focus sharply on objects at extremely close range – the closest focusing distance, i.e. the minimum distance between the object and camera sensor, is only 24 centimeters. To ensure exceptional image quality at close range, the lens automatically stops down when it’s a short distance from the object. This ensures the ZEISS lens delivers the high contrast and resolution across the entire focus range that users have come to expect.

Versatile full-frame lens

The powerful lens for the mirrorless full-frame system of Sony fulfills the highest requirements. Despite its compact design, the image meets the expectations of professional photographers. 

Excellent resolution and high contrast

Richly saturated and vivid colours are a must in the creation of lasting impressions. However, stray light within an optical system leads to a lightening of the image that is particularly noticeable in the shadows. This reduces image contrast, with the result that exposures lack contrast and appear faded. To avoid this, ZEISS combines various specially developed technologies to reduce the undesirable effects of stray light.

Robust and weatherproof metal construction

Thanks to features that are designed to keep out dust and spray water, the lens is perfectly suited for critical outdoor conditions. It is also designed for many years of intensive use.

Innovative OLED display

For the first time, you can accurately read the focus distance and depth of field simply and intuitively on the OLED display on the lens. Especially in poor light conditions – excellent readability is always guaranteed.

Smooth and reliable autofocus

The design of the autofocus system requires an extremely accurate shifting of particular lens groups. The focusing system of ZEISS lenses is designed to ensure a robust and smooth-running autofocus mechanism with the best imaging performance.

Specifications

Lens Design

ZEISS Batis 2/40 CF

Originally developed for SLR cameras requiring a long back focal distance for short focal lengths because of the mirror box (the distance between the back lens element and the film plane must be considerably longer than the focal length), the Distagon lenses (retrofocus design) are also ideal for mirrorless system cameras thanks to their optimized ray path. Even with longer focal lengths, the high-performance Distagon optical design enables consistently good correction all the way to the corners of the image and very low field curvature.

 Distagon Design

 Lens with aspheric optical surface

 Lens made of special glass with anomalous partial dispersion

 Aspheric elements and special glass

 "Floating elements" design

Close Focus (CF): Free Software Update

ZEISS Batis 2/40 CF

To ensure exceptional image quality at close range, the lens automatically stops down when it’s a short distance from the object. A software update is now available and it allows photographers to work within a larger focus range with a wide-open aperture. This update means the ZEISS Batis 2/40 CF will only automatically stop down at preset values between f/2 and f/2.5 at close range and at a focus distance of between 24 and 65 centimeters – in extreme cases (close focusing distance) to max. f/2.8. With a preset aperture value of f/2.8 and above, the aperture will remain unchanged across the entire focus range.

Also, the update will enhance the focus accuracy when using the camera’s Eye AF function. You can download the free update here and easily run it on the lens via your Sony camera.

 

Aperture

Focus distance

Technical Specifications

ZEISS Batis 2/40 CF

Performance Focal length 40 mm
Aperture range f/2 – f/22
Camera mount Sony E-Mount*
Format compatibility Full Frame
Focusing range 0,24 m (0.78 ft) – ∞
Free working distance 0,14 m (0.45 ft) – ∞
Angular field** (diag. | horiz. | vert.) 56° / 47° / 33°
Diameter of image field 43,3 mm (1.7″)
Coverage at close range (MOD)** 79 x 117 mm (3.1 x 4.6″)
Image ratio at minimum object distance 1:3.3
Lens elements | groups 9 / 8
Flange focal distance 18,0 mm (0.71″)
Entrance pupil position (front of image plane) 75.1 mm (2.96″)
Features Autofocus +
Image Stabilization –
Physical Filter thread M67 x 0,75
Rotation angle of focusing ring Focusing not mechanically coupled. Rotation angle depending on rotation speed.
Diameter max. 91 mm (3.6″)
Diameter of focusing ring 78 mm (3.1″)
Length (with lens caps) 106 mm (4.2″)
Length (without lens caps) 93 mm (3.7″)
Weight 361 g (0.80 lbs)
Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 75331268962

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V M T R
Lexington, US
★★★★★ 5
Can't go wrong with Acorn for as long as they last!
Size: 12-13 Women/10.5-11.5 Men, Color: Charcoal
Acorn is just a great company all around. I had bought my husband these slippers over 20 years ago. They are still in great shape although the sole has worn in some places. But nothing's coming apart! However, I decided to replace them for him. His foot is 10.5 and they are a little hard to get on right away-of course, after over 20 years of having "worn in" the original pair, anything would feel tight. So I'm not holding this against them. They will relax with use. The only difference is that the original sole was black and these are tan. I think I would prefer the black, but since it's only being worn in the house, no big deal. My husband has really cold feet and these slippers never fail to warm his feet right up! He said they feel really soft to walk in and like the cushioning. They're not too heavy and fit him great! I have Acorn slippers myself that I've worn every single day in the house and outside to the mailbox too. They last.
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Reviewed in the United States on April 11, 2026
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Michael
Pawtucket, US
★★★★★ 4
Very warm.
Size: 13.5-14.5 Women/12-13 Men, Color: Navy Blue
Very warm and comfortable. A little difficult to put on with the collared top.
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Reviewed in the United States on January 19, 2026
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Cheryl
New York, US
★★★★★ 5
You won't be sorry
Size: 10.5-11.5 Women/9-10 Men, Color: Black
Great padding for comfort and terrific warmth. I bought a pair of Acorns 30 years ago and still have them. Updated to a new color and now feel the benefit of newer padding! I used the sizing listed for shoes and like the roominess for thicker sox. Well made and a joy to put on. (Wisconsin)
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Reviewed in the United States on December 25, 2025
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Bureau of Review
Belleville, US
★★★★★ 5
Great Slippers
Size: 12-13 Women/10.5-11.5 Men, Color: Charcoal
Comfy, great price, looks great, fits well, size aligned, great quality. Love these slippers.
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Reviewed in the United States on February 16, 2026
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Amazon Customer
Louisville, US
★★★★★ 5
Extremely comfortable, leather sole. Hard to find a style.
Size: 13.5-14.5 Women/12-13 Men, Color: Navy Blue, Size: 13.5-14.5 Women/12-13 Men, Color: Navy Blue
Totally worth the price. This type of style is very hard to find, my husband had another pair a few years ago that he was never able to replace. These fit his wide feet and are very comfortable. The elastic at the ankle is not too tight. So glad I was able to find him a replacement. We bought the blue in a size 12. Love the fact that they are washable.
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Reviewed in the United States on February 12, 2026

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