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Leica Summarit-M 75mm f2.5 vs Zeiss Carl Tele-Tessar T 485 ZM

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Leica Summarit-M 75mm f2.5

Telephoto Prime | Leica M

Leica Summarit-M 75mm f2.5
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Carl Zeiss Tele-Tessar 4/85 ZM

Telephoto Prime | Leica M

Carl Zeiss Tele-Tessar T 485 ZM
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Leica Summarit-M 75mm f2.5 vs Carl Zeiss Tele-Tessar 4/85 ZM Comparison Overview

In this review, we will be comparing the Leica Summarit-M 75mm f2.5 for the M Mount and the Carl Zeiss Tele-Tessar 4/85 ZM for the M Mount, two Telephoto Prime lenses from Leica and Zeiss.

We will start by looking briefly at the main specs of these two lenses, and in the next section, we will start analyzing them in more detail and listing the pros and cons of each lens.

Leica Summarit-M 75mm f2.5 Key Specs

  • 75mm Focal Range
  • F2.5 Max Aperture
  • Filter Thread: 46mm
  • Max Format: 35mm FF
  • Leica M Mount
  • Weight: 345g.
  • Diameter: 55mm
  • Length: 61mm
  • Min Focus Distance: 0.9m
  • Max Magnification: 0.1x

Carl Zeiss Tele-Tessar 4/85 ZM Key Specs

  • 85mm Focal Range
  • F4.0 Max Aperture
  • Filter Thread: 43mm
  • Max Format: 35mm FF
  • Leica M Mount
  • Weight: 310g.
  • Diameter: 54mm
  • Length: 95mm
  • Min Focus Distance: 0.9m
  • Max Magnification: 0.11x

What type of photography are the Leica Summarit-M 75mm f2.5 and Carl Zeiss Tele-Tessar 4/85 ZM lenses good for?

The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Leica Summarit-M 75mm f2.5 and the Carl Zeiss Tele-Tessar 4/85 ZM for their suitability to various photography scenarios:

Photography Type Leica Summarit-M 75mm f2.5 Carl Zeiss Tele-Tessar 4/85 ZM
Bird/WildlifeFairAverage
SportsFairGood
PortraitVery GoodVery Good
TravelAverageFair
StreetAverageAverage
WeddingVery GoodGood
Walk AroundAverageFair
VloggingFairFair
LandscapeAverageFair
MacroPoorPoor


Size and Weight Comparison

The size of a lens is an important deciding factor when comparing two lenses. Carl Zeiss Tele-Tessar 4/85 ZM is the longer of the two lenses at 95mm. The Leica Summarit-M 75mm f2.5 with a length of 61mm, is 34mm shorter. On the other hand, the Leica Summarit-M 75mm f2.5 has a larger diameter of 55mm compared to the Carl Zeiss Tele-Tessar 4/85 ZM's 54mm diameter.

The weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Carl Zeiss Tele-Tessar 4/85 ZM weighs 310g, 10% (35g) lighter than the Leica Summarit-M 75mm f2.5's weight of 345g.


Below you can find the dimension and weight table of the Telephoto Prime Lenses in Leica M Mount for size comparison purposes.

Telephoto Prime Lenses in Leica M Mount for Size Comparison
Model Length Diameter Weight Street Price
Leica Summarit-M 75mm F2.4 ASPH Lens Leica Summarit-M 75mm F2.4 ASPH
61mm
55mm 325g Amazon B&H Photo
Leica Thambar-M 90mm F2.2 Lens Leica Thambar-M 90mm F2.2
90mm
57mm 500g Amazon B&H Photo
Leica APO-Summicron-M 90mm f2 ASPH Lens Leica APO 90mm f2 ASPH
78mm
64mm 500g Amazon B&H Photo
Leica Summarit-M 90mm F2.4 ASPH Lens Leica Summarit-M 90mm F2.4 ASPH
67mm
55mm 360g Amazon B&H Photo
Voigtlander 75mm F1.8 Heliar Classic Lens Voigtlander 75mm F1.8 Heliar Classic
74mm
58mm 427g Amazon B&H Photo
Leica APO-Summicron-M 75mm f2 ASPH Lens Leica APO 75mm f2 ASPH
67mm
58mm 430g Amazon B&H Photo
Carl Zeiss Sonnar T 285 ZM Lens Carl Zeiss Sonnar T2/85 ZM
100mm
70mm 500g Amazon B&H Photo
Leica APO-Telyt-M 135mm f3.4 ASPH Lens Leica APO 135mm f3.4 ASPH
105mm
59mm 450g Amazon B&H Photo

Lens Mounts

Both the Leica Summarit-M 75mm f2.5 and the Carl Zeiss Tele-Tessar 4/85 ZM has the same Leica M lens mount. Some of the latest released cameras that are compatible with the Leica M lenses are Leica M11 Monochrome, Leica M11 and Leica M10.

Focal Range

Leica Summarit-M 75mm f2.5 is a prime lens with fixed focal lenght of 75mm. Carl Zeiss Tele-Tessar 4/85 ZM is a prime lens with fixed focal lenght of 85mm.

Reasons to choose Leica Summarit-M 75mm f2.5 over Carl Zeiss Tele-Tessar T 485 ZM

Focal Length - Wide 75mm vs 85mm 10mm Wider coverage
Max Aperture - Wide 2.5 vs 4 Wider aperture at wide end
Max Aperture - Tele 2.5 vs 4 Wider aperture at tele end
Length 61mm vs 95mm 34mm shorter

Reasons to choose Carl Zeiss Tele-Tessar T 485 ZM over Leica Summarit-M 75mm f2.5

Focal Length - Tele 85mm vs 75mm 10mm more Tele coverage
Weight 310g vs 345g 35g lighter
Diameter 54mm vs 55mm 1mm smaller in diameter
Filter Thread 43mm vs 46mm Smaller filters are cheaper and easier to find
Max Magnification 0.11x vs 0.1x higher magnification better for close-up shots

Common Strengths of Leica Summarit-M 75mm f2.5 and Carl Zeiss Tele-Tessar T 485 ZM
Distance Scale Yes vs Yes Distance Scale to assist focusing
Depth-of-Field Scale Yes vs Yes Depth of Field scale to assist focusing
Aperture Ring Yes vs Yes able to adjust the aperture on the lens
Common Weaknesses of Leica Summarit-M 75mm f2.5 and Carl Zeiss Tele-Tessar T 485 ZM
Image Stabilization No vs No Reliant on in-body Image Stabilization
Autofocus No vs No Slow and less accurate focusing
Weather Sealing No vs No not safe under rain and dust




**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate, I earn from qualifying purchases.

Leica Summarit-M 75mm f2.5 vs Carl Zeiss Tele-Tessar 4/85 ZM Specs Table

Detailed comparison of specifications
General
Brand Leica Zeiss
Lens Type Prime Prime
Price CHECK PRICE CHECK PRICE
Lens Type Telephoto Prime Telephoto Prime
Lens Mount Leica M Leica M
Max Format 35mm FF 35mm FF
Focal Range 75mm 85mm
Image Stabilization No No
Colour - -
Zoom Method No Zoom No Zoom
Power Zoom No No
Zoom Lock No No
Zoom Ratio 1.0X 1.0X
Aperture
Max Aperture F2.5 F4.0
Min Aperture F16.0 F22.0
Aperture Ring Yes Yes
Diaphragm Blades - -
Optics
Optical Elements 6 5
Optical Groups 4 3
Focusing
Min Focus Distance 0.9m 0.9m
Max Magnification 0.1X 0.11X
Autofocus No No
AF Motor Type None None
Full Time Manual N/A N/A
Focus Method - -
Distance Scale Yes Yes
DoF Scale Yes Yes
Distance Scale Yes Yes
Focus Distance Limiter No No
Physical Specs
Weight 345g 310g
Diameter 55mm 54mm
Length 61mm 95mm
Materials metal barrel, metal mount metal barrel, metal mount
Weather Sealing No No
Filter Thread 46mm 43mm
Hood Supplied No -
Tripod Collar No No
Optional Accessories Matched lens hood -
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