Cameraegg Compare logoCameraegg

Canon

RF 28-70mm F2L USM

Canon RF Mount

The world's first f/2 standard zoom — unmatched low-light performance and shallow depth of field across the range.

$2,999

Launch price

Released Oct 2018

vs

Canon

RF 85mm F2 Macro IS STM

Canon RF Mount

An affordable portrait and macro hybrid — f/2 aperture, 0.5x magnification, and 5-stop IS in a compact package.

$599

Launch price

Released Jul 2020

RF 85mm F2 Macro IS STM is 1.7 years newer.

Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.

Wins

0categories

RF 28-70mm F2L USM

★ Sports & Action

Wins

6categories

RF 85mm F2 Macro IS STM

★ Portrait★ Sports & Action

2 categories tied

Which would you choose?

TL;DR — Key differences

RF 28-70mm F2L USM wins 0 categories·RF 85mm F2 Macro IS STM wins 5 categories
  • BRF 85mm F2 Macro IS STM has higher OIS effectiveness (5 stops vs 0 stops)
  • BRF 85mm F2 Macro IS STM has lower Weight (500 g vs 1430 g)
  • BRF 85mm F2 Macro IS STM has higher Max magnification (0.5 × vs 0.21 ×)
  • BRF 85mm F2 Macro IS STM has lower Length (78 mm vs 140 mm)
  • BRF 85mm F2 Macro IS STM has lower Diameter (79 mm vs 104 mm)

Key specs at a glance

RF 28-70mm F2L USMRF 85mm F2 Macro IS STM
Focal Length28-70 mm85 mm
Max Aperturef/2f/2
MountCanon RFCanon RF
CoverageFull FrameFull Frame
StabilizationNo5 stops
Weight1430 g500 g
Min Focus39 cm35 cm
Filter Size95 mm67 mm

Size and weight, to scale

RF 28-70mm F2L USM

⌀104 × 140 mm

1430 g (3.15 lb / 50.44 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

RF 85mm F2 Macro IS STM

⌀79 × 78 mm

500 g (1.10 lb / 17.64 oz)

RF 28-70mm F2L USM is 62mm longer and 25mm wider than RF 85mm F2 Macro IS STM.

RF 28-70mm F2L USM is 930 g heavier than RF 85mm F2 Macro IS STM.

Diameter (⌀) is the maximum barrel width; length is measured from the mount to the front of the lens.

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use caseRF 28-70mm F2L USMRF 85mm F2 Macro IS STM
Portrait
4.5Fair
7.5Good
Sports & Action
6.5Good
7.5Good
Video & Hybrid
5.0Fair
7.0Good
Landscape
4.0Fair
1.0Limited
Travel
2.0Limited
4.0Fair
Wildlife
3.0Limited
2.5Limited
Macro & Close-up
0.0Limited
5.5Fair

Why pick one over the other

Reasons to choose the RF 28-70mm F2L USM

  • ✓

    Special elements

    Adds 1 Super UD, 2 UD, 1 Aspherical

  • ✓

    Weather sealing

    Only RF 28-70mm F2L USM supports it

Reasons to choose the RF 85mm F2 Macro IS STM

  • ✓

    Special elements

    Adds 1 UD

  • ✓

    OIS effectiveness

    5 stops vs 0 stops — higher is better

  • ✓

    Weight

    500 g vs 1430 g — lower is better

  • ✓

    Optical stabilization

    Only RF 85mm F2 Macro IS STM supports it

  • ✓

    Length

    78 mm vs 140 mm — lower is better

  • ✓

    Max magnification

    0.5 × vs 0.21 × — higher is better

  • ✓

    Diameter

    79 mm vs 104 mm — lower is better

  • ✓

    Min focus distance

    35 cm vs 39 cm — lower is better

Shared specifications

Max aperture (Wide)

Both f/2

Max aperture (Tele)

Both f/2

Internal focus

Both support internal focus

Control ring

Both support control ring

Pros & cons at a glance

Editorially curated highlights and trade-offs.

RF 28-70mm F2L USM

Pros

  • ✓Constant f/2 aperture — unique among standard zooms
  • ✓Exceptional low-light and indoor event performance
  • ✓Outstanding build quality and weather sealing
  • ✓Fast Ring USM autofocus

Cons

  • –Extremely heavy (1430g) — not for casual carry
  • –Highest price in the standard zoom category
  • –No optical image stabilization

RF 85mm F2 Macro IS STM

Pros

  • ✓Excellent value for portrait and close-up work
  • ✓0.5x macro magnification built in
  • ✓5-stop optical image stabilization
  • ✓Compact and lightweight (500g)

Cons

  • –f/2 not as shallow as f/1.2 L lenses
  • –Plastic construction, not L-series
  • –AF slightly slower than USM lenses

Decided which one is right for you?

Compare live prices for the RF 28-70mm F2L USM and RF 85mm F2 Macro IS STM at major authorized retailers.

Canon RF 85mm F2 Macro IS STM

Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.

Full specifications

✓ = category winner

RF 28-70mm F2L USM
RF 85mm F2 Macro IS STM
Focal length (Min)
28 mm
85 mm
Focal length (Max)
70 mm
85 mm
Max aperture (Wide)
f/2
f/2
Max aperture (Tele)
f/2
f/2
Elements
19
11
Groups
13
9
Special elements
1 Super UD, 2 UD, 1 Aspherical
1 UD
RF 28-70mm F2L USM
RF 85mm F2 Macro IS STM
Min focus distance
39 cm
35 cm✓−4 cm less
Max magnification
0.21 ×
0.5 ×✓2.4× more
Autofocus motor
Ring USM
STM
Internal focus
Yes
Yes
RF 28-70mm F2L USM
RF 85mm F2 Macro IS STM
Optical stabilization
No
Yes
OIS effectiveness
0 stops
5 stops✓
RF 28-70mm F2L USM
RF 85mm F2 Macro IS STM
Weight
1430 g
500 g✓−930 g less
Length
140 mm
78 mm✓−62 mm less
Diameter
104 mm
79 mm✓−25 mm less
Filter thread size
95 mm
67 mm
Weather sealing
Yes
No
Diaphragm blades
9
9
RF 28-70mm F2L USM
RF 85mm F2 Macro IS STM
Lens mount
Canon RF
Canon RF
Format coverage
Full Frame
Full Frame

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed October 2026.