Sigma
105mm F2.8 DG DN Macro Art
Leica L Mount
105mm F2.8 DG DN Macro Art — 105mm f/2.8 for Leica L, a popular choice in the sigma lineup.
$799
Launch priceReleased Jun 2021
Sigma
18-50mm F2.8 DC DN Contemporary
Sony E Mount
18-50mm F2.8 DC DN Contemporary — 18–50mm f/2.8 for Sony E, a popular choice in the sigma lineup.
$549
Launch priceReleased Oct 2021
18-50mm F2.8 DC DN Contemporary is 4 months newer.
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Wins
105mm F2.8 DG DN Macro Art
Wins
18-50mm F2.8 DC DN Contemporary
3 categories tied
TL;DR — Key differences
- A105mm F2.8 DG DN Macro Art has higher Max magnification (1 × vs 0.25 ×)
- B18-50mm F2.8 DC DN Contemporary has lower Weight (290 g vs 715 g)
- B18-50mm F2.8 DC DN Contemporary has lower Length (91 mm vs 139.2 mm)
- A105mm F2.8 DG DN Macro Art has lower Min focus distance (29.5 cm vs 38 cm)
- B18-50mm F2.8 DC DN Contemporary has lower Diameter (65 mm vs 78.9 mm)
Key specs at a glance
Size and weight, to scale
105mm F2.8 DG DN Macro Art
⌀79 × 139 mm
715 g (1.58 lb / 25.22 oz)
Credit card
85.6 × 54 mm
for scale
18-50mm F2.8 DC DN Contemporary
⌀65 × 91 mm
290 g (0.64 lb / 10.23 oz)
105mm F2.8 DG DN Macro Art is 48mm longer and 14mm wider than 18-50mm F2.8 DC DN Contemporary.
105mm F2.8 DG DN Macro Art is 425 g heavier than 18-50mm F2.8 DC DN Contemporary.
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
Why pick one over the other
Reasons to choose the 105mm F2.8 DG DN Macro Art
- ✓
Special elements
Adds 1 SLD, 2 Aspherical
- ✓
Max magnification
1 × vs 0.25 × — higher is better
- ✓
Weather sealing
Only 105mm F2.8 DG DN Macro Art supports it
- ✓
Min focus distance
29.5 cm vs 38 cm — lower is better
Reasons to choose the 18-50mm F2.8 DC DN Contemporary
- ✓
Special elements
Adds Aspherical
- ✓
Weight
290 g vs 715 g — lower is better
- ✓
Length
91 mm vs 139.2 mm — lower is better
- ✓
Diameter
65 mm vs 78.9 mm — lower is better
Shared specifications
Max aperture (Wide)
Both f/2.8
Max aperture (Tele)
Both f/2.8
Internal focus
Both support internal focus
Pros & cons at a glance
Editorially curated highlights and trade-offs.
105mm F2.8 DG DN Macro Art
Pros
- ✓Solid optical performance for the price tier
- ✓Native Leica L mount compatibility
Cons
- –Third-party or older alternatives may offer better value
18-50mm F2.8 DC DN Contemporary
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Lightweight design easy to carry all day
- ✓Native Sony E mount compatibility
Cons
- –Third-party or older alternatives may offer better value
Decided which one is right for you?
Compare live prices for the 105mm F2.8 DG DN Macro Art and 18-50mm F2.8 DC DN Contemporary at major authorized retailers.
Sigma 105mm F2.8 DG DN Macro Art
Sigma 18-50mm F2.8 DC DN Contemporary
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.