Compare Pentax DA 55-300mm F4.0-5.8 vs Pentax DA 40mm F2.8

Construction

Aperture Blades
6 blades
9 blades, Rounded aperture diaphragm
Colors
Black
Black, Silver
Form Factor
Super Telephoto Zoom Lens
Short Telephoto Prime Lens
Image Size
APS-C
APS-C
Lens Barrel
Distance scale
Distance scale
Lens Mount
Pentax K-mount
Pentax K-mount
Motor
Screw drive from camera
Screw drive from camera
Optical Formula | Elements
12 elements
5 elements
Optical Formula | Groups
8 groups
4 groups
Optical Formula | Special Glass
ED glass elements groups
High-grade multi-layer HD (High Definition) Coating groups

Dimensions

Filter Diameter
58 mm / 2.28 in
49 mm / 1.93 in
Size | Diameter
71 mm / 2.80 in
63 mm / 2.48 in
Size | Length
112 mm / 4.41 in
15 mm / 0.59 in
Weight
466 g / 16.47 oz
80 g / 2.83 oz

Function

Angle Of View
29.4° Diagonal | 24.6° Horizontal | 16.6° Vertical (wide) ~ 5.5° Diagonal | 4.6° Horizontal | 3.1° Vertical (tele)
39.7° Diagonal | 33.4° Horizontal | 22.6° Vertical
Aperture
f/4–5.8 ~ f/22–32
f/2.8 ~ f/22
Autofocus
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
55 mm ~ 300 mm
40 mm
Focal Length (35mm Equivalent)
82.5 mm ~ 450.0 mm
60.0 mm
Image Stabilization
No
No
Weather Resistance
Yes
Zoom Type
External zoom

Performance

Max Magnification
0.28x
0.13x
Min Focus Distance
1400 mm / 55.12 in
400 mm / 15.75 in

Production

Accessory
Lens Hood: PH-RBI 58mm (supplied)
Lens Hood: MH-RE49 (supplied)
Debut
2013-10-07
2013-08-27

Reviews

Neofiliac score
50%
68%
Pros
  • Weather-sealed
  • Great price for the price
  • Exceptionally light and compact
  • Great rendering
Cons
  • Dark and variable maximum aperture
  • External zoom without zoom lock
  • Not the best from Pentax
  • A bit expensive for a pancake lens

Price

Offers (incl. referral links)
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