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Lensbaby Burnside 35 vs Pentax smc DA 40mm F2.8 XS Lens

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Lensbaby Burnside 35

Standard Prime | Pentax KAF

Lensbaby Burnside 35
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Pentax 40mm F2.8 XS Lens

Standard Prime | Pentax KAF

Pentax smc DA 40mm F2.8 XS Lens
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Lensbaby Burnside 35 vs Pentax 40mm F2.8 XS Lens Comparison Overview

In this review, we will be comparing Lensbaby Burnside 35 and Pentax 40mm F2.8 XS Lens, two Standard Prime lenses from Lensbaby and Pentax.

We will start with briefly looking and the main specs of these two lenses and in the section, we will start analyzing in more detail and list the pros and cons of each lenses.

Lensbaby Burnside 35 Key Specs

  • 35mm Focal Range
  • F2.8 Max Aperture
  • Filter Thread: 62mm
  • Max Format: 35mm FF
  • Pentax KAF Mount
  • Weight: 374g.
  • Diameter: 70mm
  • Length: 70mm
  • Min Focus Distance:0.15m

Pentax 40mm F2.8 XS Lens Key Specs

  • 40mm Focal Range
  • F2.8 Max Aperture
  • Max Format: APS-C / DX
  • Pentax KAF Mount
  • Weight: 45g.
  • Diameter: 63mm
  • Length: 9mm
  • Min Focus Distance:0.4m
  • Max Magnification:0.13x

What type of photography are the Lensbaby Burnside 35 and Pentax 40mm F2.8 XS Lens lenses good for?

The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Lensbaby Burnside 35 and the Pentax 40mm F2.8 XS Lens for their suitability to various photography scenarios:

Photography Type Lensbaby Burnside 35 Pentax 40mm F2.8 XS Lens
Bird/WildlifePoorFair
SportsPoorFair
PortraitAverageVery Good
TravelAverageAverage
StreetExcellentGood
WeddingAverageVery Good
Walk AroundAverageAverage
VloggingGoodAverage
LandscapeVery GoodAverage

Size and Weight Comparison

Size of a lens is an important deciding factor when comparing two lenses.Lensbaby Burnside 35 is the longer of the two lenses at 70mm. The Pentax 40mm F2.8 XS Lens with a length of 9mm is 61mm shorter. Besides being longer, the Lensbaby Burnside 35 also has a larger diameter of 70mm compared to Pentax 40mm F2.8 XS Lens's 63mm diameter.

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. Pentax 40mm F2.8 XS Lens weighs 45g, 87% (329g) lighter than the Lensbaby Burnside 35's weight of 374g.


Below you can find the dimension and weight table of the 'Standard Prime Lenses in Pentax KAF Mount for size comparison purposes.

Standard Prime Lenses in Pentax KAF Mount for Size Comparison
Model Length Diameter Weight Street Price
Pentax smc DA 50mm F1.8 Lens Pentax 50mm F1.8
39mm
63mm 122g Amazon B&H Photo
Pentax smc FA 50mm F1.4 Lens Pentax FA 50mm F1.4
38mm
64mm 220g Amazon B&H Photo
Pentax smc FA 43mm F1.9 Limited Lens Pentax FA 43mm F1.9 L
27mm
64mm 155g Amazon B&H Photo
Pentax smc DA 35mm F2.4 AL Lens Pentax 35mm F2.4 AL
45mm
63mm 124g Amazon B&H Photo
Voigtlander 58mm F1.4 Nokton SL II Lens Voigtlander 58mm F1.4 SL II
48mm
64mm 320g Amazon B&H Photo
HD Pentax-FA 43mm F1.9 Limited Lens HD Pentax-FA 43mm F1.9 Ltd
27mm
64mm 155g Amazon B&H Photo
HD Pentax DA 70mm F2.4 AL Limited Lens Pentax 70mm F2.4 AL L
26mm
63mm 147g Amazon B&H Photo
HD Pentax-FA 35mm F2 AL Lens HD Pentax-FA 35mm F2 AL
45mm
64mm 193g Amazon B&H Photo

Lens Mounts

Both Lensbaby Burnside 35 and Pentax 40mm F2.8 XS Lens has the same Pentax KAF lens mount. Some of the latest released cameras that are compatible with the Pentax KAF lenses are Pentax KF, Pentax K-3 III and Pentax K-1 II.

Lensbaby Burnside 35 is also available in Canon EF , Fujifilm X, Micro Four Thirds, Nikon F (FX), Samsung NX, Sony Alpha and Sony E mounts.

Focal Range

Lensbaby Burnside 35 is a prime lens with fixed focal lenght of 35mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 52.5mm.
Pentax 40mm F2.8 XS Lens is a prime lens with fixed focal lenght of 40mm which has an effective (full-frame 35mm equivalent) focal range of 60mm when used on a APS-C / DX format camera.

Reasons to choose Lensbaby Burnside 35 over Pentax smc DA 40mm F2.8 XS Lens

Focal Length - Wide 35mm vs 40mm 5mm Wider coverage
Aperture Ring Yes vs No able to adjust the aperture on the lens
Max Sensor Coverage 35mm FF vs APS-C / DX covers larger sensors
Minimum Focus Distance 0.15m vs 0.4m can focus closer to the subject

Reasons to choose Pentax smc DA 40mm F2.8 XS Lens over Lensbaby Burnside 35

Focal Length - Tele 40mm vs 35mm 5mm more Tele coverage
Autofocus Yes vs No Easier, faster and more accurate focusing
Weight 45g vs 374g 329g lighter
Diameter 63mm vs 70mm 7mm smaller in diameter
Length 9mm vs 70mm 61mm shorter
Max Magnification 0.13x vs x higher magnification better for close-up shots
Common Weaknesses of Lensbaby Burnside 35 and Pentax smc DA 40mm F2.8 XS Lens
Image Stabilization No vs No Reliant on in-body Image Stabilization
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.

Lensbaby Burnside 35 vs Pentax 40mm F2.8 XS Lens Specs Table

Detailed comparison of specifications
General
Brand Lensbaby Pentax
Lens Type Prime Prime
Price CHECK PRICE CHECK PRICE
Lens Type Standard Prime Standard Prime
Lens Mount Pentax KAF Pentax KAF
Max Format 35mm FF APS-C / DX
Focal Range 35mm 40mm
Image Stabilization No
Colour Unknown Black
Zoom Method No Zoom No Zoom
Power Zoom No No
Zoom Lock No No
Zoom Ratio 1.0X 1.0X
Aperture
Max Aperture F2.8 F2.8
Min Aperture F16 F22.0
Aperture Ring Yes No
Diaphragm Blades unknown unknown
Optics
Optical Elements 6 5
Optical Groups 4 4
Focusing
Min Focus Distance 0.15m 0.4m
Max Magnification unknown 0.13X
Autofocus No Yes
AF Motor Type No AF Screw drive from camera
Full Time Manual No
Focus Method Unknown Internal
Distance Scale Unknown No
DoF Scale Unknown No
Distance Scale Unknown No
Focus Distance Limiter Unknown Unknown
Physical Specs
Weight 374g 45g
Diameter 70mm 63mm
Length 70mm 9mm
Materials Unknown Unknown
Weather Sealing No No
Filter Thread 62mm Unknown
Filter Notes - -
Hood Supplied No No
Hood Code Unknown Unknown
Tripod Collar Unknown No
Optional Accessories - -
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